Lamarre
       
        T
       
        .C
       
        J
       
        .:
      
      These
      are
      appeals
      from
      tax
      assessments
      made
      by
      the
      Minister
      of
      National
      
      
      Revenue
      (“Minister”)
      in
      respect
      of
      the
      appellants’
      1988
      taxation
      year,
      
      
      whereby
      the
      Minister
      denied
      deductions
      on
      account
      of
      the
      Canadian
      Exploration
      
      
      Expenses
      (“CEE”),
      renounced
      to
      them
      by
      Benchmark-One
      Hydrocarbons
      
      
      Inc.
      (“Benchmark”),
      which
      deductions
      were
      claimed
      by
      each
      of
      them
      
      
      in
      computing
      his
      income
      pursuant
      to
      section
      66.1
      of
      the
      
        Income
       
        Tax
       
        Act
       
        (“Act”).
      
      The
      appeals
      were
      heard
      on
      common
      evidence.
      
      
      
      
    
        Facts
      
      The
      facts
      admitted
      by
      both
      parties
      are
      as
      follows.
      Benchmark
      was
      incorporated
      
      
      on
      August
      31,
      1988
      under
      the
      laws
      of
      the
      Province
      of
      Ontario.
      On
      
      
      September
      1,
      1988,
      Benchmark
      entered
      into
      a
      joint
      venture
      agreement
      with
      
      
      Canadian
      Futurity
      Oils
      Ltd.
      (“Futurity”)
      pursuant
      to
      which:
      
      
      
      
    
        (i)
        Futurity
        agreed
        to
        enter
        into
        agreements
        relating
        to
        the
        acquisition
        of
        oil
        and
        
        
        gas
        properties
        in
        Western
        Canada;
        and
        
        
        
        
      
        (ii)
        Benchmark
        agreed
        to
        incur
        exploration
        expenditures
        in
        order
        to
        acquire
        interests
        
        
        in
        Futurity’s
        and
        third
        parties’
        oil
        and
        gas
        properties.
        
        
        
        
      
      Futurity
      entered
      into
      a
      participation
      agreement
      with
      Trilogy
      Resource
      
      
      Corporation
      (“Trilogy”)
      pursuant
      to
      which
      Futurity
      and
      Benchmark
      were
      to
      
      
      earn
      a
      participating
      interest
      in
      certain
      oil
      and
      gas
      properties
      including
      oil
      
      
      well
      10-24-43-12W5M
      in
      the
      Brazeau
      area
      of
      Alberta
      (“well
      10-24”),
      in
      
      
      exchange
      for
      sharing
      the
      costs
      of
      drilling
      the
      wells.
      Under
      this
      agreement,
      
      
      Trilogy
      was
      to
      act
      as
      the
      operator
      for
      well
      10-24.
      
      
      
      
    
      On
      December
      12,
      1988,
      Benchmark
      filed
      with
      the
      Minister
      a
      T100
      form
      
      
      together
      with
      an
      offering
      memorandum
      relating
      to
      an
      offering
      of
      common
      
      
      shares
      (“flow-through
      shares”)
      wherein
      it
      agreed
      to
      incur
      expenditures
      qualifying
      
      
      as
      CEE
      equal
      to
      the
      full
      subscription
      price
      of
      such
      shares
      and
      to
      renounce
      
      
      the
      said
      CEE
      to
      the
      subscribers.
      
      
      
      
    
      Between
      December
      12,
      1988
      and
      December
      31,
      1988,
      20
      individuals
      
      
      subscribed
      for
      a
      total
      of
      500,000
      flow-through
      shares
      of
      Benchmark
      at
      a
      
      
      subscription
      price
      of
      $1.00
      per
      share.
      The
      appellants
      subscribed
      for
      111,000
      
      
      of
      those
      shares.
      
      
      
      
    
      By
      February
      28,
      1989,
      Benchmark
      had
      expended
      $500,000
      purportedly
      
      
      qualifying
      as
      CEE,
      of
      which
      amount
      $100,000
      related
      to
      expenses
      incurred
      
      
      in
      drilling
      well
      10-24.
      On
      March
      1,
      1989,
      Benchmark
      filed
      forms
      with
      the
      
      
      Minister
      purporting
      to
      renounce
      $500,000
      of
      CEE
      to
      the
      20
      subscribers.
      Of
      
      
      that
      amount,
      $111,000
      was
      renounced
      to
      the
      appellants.
      According
      to
      the
      
      
      respondent,
      the
      $100,000
      of
      expenditures
      in
      relation
      to
      well
      10-24
      did
      not
      
      
      constitute
      CEE
      on
      the
      basis
      that
      these
      expenditures
      did
      not
      result
      in
      the
      
      
      discovery
      of
      a
      natural
      accumulation
      of
      petroleum
      or
      natural
      gas
      and
      the
      
      
      well
      was
      not
      abandoned
      in
      1988
      or
      within
      six
      months
      of
      the
      end
      of
      1988,
      
      
      which
      requirements
      must
      be
      met
      for
      the
      expenditures
      to
      qualify
      as
      CEE
      
      
      under
      subparagraph
      66.1(6)(tz)(ii.l)
      of
      the
      
        Act.
      
      The
      appellants
      Wheeler
      and
      
      
      Hodge’s
      portion
      of
      the
      amount
      of
      $100,000
      in
      question
      was
      $20,000
      each
      
      
      whereas
      the
      appellant
      Hepburn’s
      portion
      was
      $60,000.
      
      
      
      
    
        Issue
      
      The
      issue
      is
      whether
      the
      amounts
      expended
      by
      Benchmark
      in
      respect
      of
      
      
      well
      10-24
      and
      renounced
      to
      the
      appellants
      through
      the
      flow-through
      share
      
      
      provisions
      qualify
      as
      CEE
      as
      described
      in
      clause
      66.1(6)(a)(11.1)(A)
      of
      the
      
      
      
        Act.
      
      The
      parties
      agree
      that
      this
      issue
      will
      be
      resolved
      by
      determining
      
      
      whether
      well
      10-24
      resulted
      in
      the
      discovery
      of
      a
      natural
      accumulation
      of
      
      
      petroleum
      or
      natural
      gas.
      
      
      
      
    
      Clause
      66.1(6)(tf)(ii.l)(A)
      states:
      
      
      
      
    
        “Canadian
        exploration
        expense”.
        —
        Canadian
        exploration
        expense
        of
        a
        taxpayer
        
        
        means
        any
        expense
        incurred
        after
        May
        6,
        1974
        that
        is...
        
        
        
        
      
        (11.1)
        any
        expense
        incurred
        by
        him
        after
        May
        6,
        1987
        and
        in
        a
        taxation
        
        
        year
        of
        the
        taxpayer
        in
        drilling
        or
        completing
        an
        oil
        or
        gas
        well
        in
        Canada
        
        
        …
        if
        
        
        
        
      
        (A)
        the
        well
        resulted
        in
        the
        discovery
        of
        a
        natural
        accumulation
        of
        
        
        petroleum
        or
        natural
        gas
        and
        the
        discovery
        occurred
        at
        any
        time
        
        
        before
        six
        months
        after
        the
        end
        of
        the
        year.
        
        
        
        
      
        Counsel’s
       
        Submissions
      
      The
      respondent
      submits
      that
      well
      10-24
      cannot
      meet
      the
      requirements
      of
      
      
      clause
      66.1(6)(ü)(ii.l)(A)
      because
      it
      did
      not
      result
      in
      the
      discovery
      of
      a
      natural
      
      
      accumulation
      of
      petroleum
      or
      natural
      gas.
      To
      support
      her
      position,
      the
      
      
      respondent
      relies
      on:
      
      
      
      
    
      (i)
      the
      conclusion
      reached
      by
      the
      Alberta
      Energy
      and
      Utilities
      Board
      
      
      (“EUB”)
      (formerly
      the
      Energy
      Resources
      Conservation
      Board
      
      
      “ERCB”)
      that
      a
      new
      hydrocarbon
      accumulation
      had
      not
      been
      discovered
      
      
      and
      the
      EUB’s
      refusal
      to
      assign
      proven
      reserves
      to
      the
      well;
      and
      
      
      
      
    
      (ii)
      an
      independent
      review
      of
      the
      well
      data
      by
      Mr.
      James
      A.
      Davidson,
      
      
      a
      geologist
      with
      the
      National
      Energy
      Board
      (“NEB”),
      which
      
      
      confirmed
      the
      findings
      of
      the
      EUB.
      
      
      
      
    
      The
      appellants
      are
      of
      the
      view
      that
      well
      10-24
      did
      meet
      the
      requirements
      
      
      of
      clause
      66.1(6)(a)(ii.l)(A).
      They
      submit
      that
      in
      interpreting
      the
      meaning
      
      
      of
      the
      phrase
      “resulted
      in
      the
      discovery
      of
      a
      natural
      accumulation
      of
      petroleum
      
      
      or
      natural
      gas”
      in
      this
      clause,
      a
      determination
      must
      be
      made
      as
      to
      
      
      whether
      the
      terms
      “discovery”
      and
      “accumulation”
      were
      intended
      to
      have
      
      
      their
      ordinary
      meaning
      or
      rather
      to
      be
      given
      certain
      meanings
      peculiar
      to
      
      
      the
      “industry”
      or
      of
      a
      “technical”
      nature.
      
      
      
      
    
      They
      take
      the
      position
      that
      based
      on
      principles
      of
      statutory
      interpretation
      
      
      the
      terms
      “discovery”
      and
      “accumulation”
      should
      be
      given
      their
      plain
      and
      
      
      ordinary
      dictionary
      meanings
      such
      that,
      at
      most,
      clause
      66.1(6)(tf)(ii.l)(A)
      
      
      would
      add
      a
      requirement
      that
      the
      well
      have
      the
      ability
      to
      produce
      petroleum
      
      
      or
      natural
      gas.
      The
      appellants
      submit
      that
      the
      definition
      used
      by
      the
      respondent
      
      
      and
      the
      EUB,
      which
      adds
      an
      economic
      component
      (the
      appellants
      
      
      would
      have
      to
      prove
      that
      well
      10-24
      had
      a
      capability
      for
      the
      economic
      production
      
      
      of
      petroleum
      or
      natural
      gas),
      should
      not
      be
      accepted.
      Thus,
      according
      
      
      to
      the
      appellants,
      a
      discovery
      would
      be
      the
      finding
      of
      something
      that
      
      
      was
      not
      previously
      known
      to
      exist
      and,
      at
      most,
      the
      appellants
      would
      simply
      
      
      have
      to
      prove
      that
      oil
      or
      gas
      could
      be
      extracted
      from
      the
      ground
      and
      that
      
      
      the
      well
      was
      capable
      of
      production
      even
      if
      the
      well
      turned
      out
      not
      to
      be
      
      
      economically
      viable.
      
      
      
      
    
      The
      appellants
      further
      submit
      that
      Mr.
      Davidson
      is
      not
      qualified
      as
      an
      
      
      expert
      witness
      to
      testify
      in
      support
      of
      the
      respondent’s
      evidence,
      but
      if
      he
      is
      
      
      so
      qualified,
      the
      weight
      to
      be
      attached
      to
      his
      evidence
      should
      be
      slight.
      The
      
      
      appellants
      argue
      that
      Mr.
      Davidson
      has
      little
      or
      no
      experience
      in
      reviewing
      
      
      certain
      critical
      factors
      such
      as
      the
      geological
      well
      samples,
      the
      core
      reports,
      
      
      the
      open
      well
      logs
      as
      well
      as
      the
      production
      testing
      and
      well
      completion
      
      
      results.
      Accordingly,
      the
      appellants
      take
      the
      position
      that
      Mr.
      Davidson
      is
      
      
      not
      a
      person
      qualified
      to
      make
      any
      determination
      as
      to
      whether
      well
      10-24
      
      
      resulted
      in
      the
      discovery
      of
      a
      natural
      accumulation
      of
      petroleum
      or
      natural
      
      
      gas.
      
      
      
      
    
        Analysis
      
          Purpose
        
          of
        
          Legislation
        
      The
      
        Act
      
      provides
      taxpayers
      with
      deductions
      for
      pre-production
      expenses
      
      
      incurred
      in
      the
      oil
      and
      gas
      industry
      which
      otherwise
      would
      not
      be
      deductible.
      
      
      These
      expenses
      are
      classified
      either
      as
      CEE
      defined
      in
      paragraph
      
      
      66.1(6)(æ)
      of
      the
      
        Act,
      
      which
      are
      100%
      deductible
      in
      the
      year,
      or
      as
      Canadian
      
      
      Development
      Expenses
      (“CDE”)
      defined
      in
      paragraph
      66.2(5)(a)
      of
      the
      
        Act,
      
      
      
      deductible
      at
      the
      rate
      of
      30%
      per
      year
      on
      a
      declining
      basis.
      The
      expenses
      for
      
      
      drilling
      or
      completing
      an
      oil
      or
      gas
      well
      constitute
      CDE
      pursuant
      to
      clause
      
      
      66.2(5)(a)(i)(B)
      unless
      they
      meet
      the
      requirements
      of
      subparagraph
      
      
      66.1(6)(a)(ii)
      (for
      expenses
      incurred
      before
      April
      1987)
      or
      subparagraph
      
      
      66.1(6)(fl)(ii.l)
      (for
      expenses
      incurred
      after
      March
      1987),
      in
      which
      case
      
      
      they
      can
      be
      deducted
      as
      CEE.
      
      
      
      
    
      The
      provisions
      dealing
      with
      exploration
      and
      development
      expenses
      have
      
      
      changed
      frequently
      in
      recent
      years.
      The
      definition
      of
      CEE
      has
      been
      expanded
      
      
      and
      developed
      as
      a
      means
      of
      encouraging
      certain
      activities
      by
      making
      
      
      the
      cost
      of
      those
      activities
      100%
      deductible
      on
      a
      current
      basis.
      
      According
      
      
      to
      one
      author,
      
      “[t]he
      Government
      and
      the
      oil
      and
      gas
      industry
      
      
      discussed
      the
      appropriate
      cut-off
      points
      between
      [CEE]
      and
      [CDE];
      the
      result
      
      
      of
      which
      is
      a
      new
      definition
      of
      [CEE]
      effective
      April
      1,
      1987.”
      The
      
      
      Department
      of
      Finance
      Technical
      Notes
      to
      the
      
        Notice
       
        of
       
        Ways
       
        and
       
        Means
       
        Motion,
      
      dated
      June
      11,
      1986
      and
      October
      31,
      1986
      comment
      as
      follows:
      
      
      
      
    
        Paragraph
        66.1(6)(a)
        of
        the
        
          Act
        
        provides
        the
        definition
        of
        “Canadian
        exploration
        
        
        expense”
        (CEE).
        Subparagraphs
        (1.1)
        and
        (11.2)
        thereof
        describe
        the
        oil
        and
        gas
        
        
        drilling
        expenses
        incurred
        after
        1985
        that
        are
        included
        in
        that
        definition.
        The
        
        
        changes
        to
        this
        definition
        as
        announced
        by
        the
        Minister
        of
        Finance
        on
        December
        
        
        31,
        1985
        and
        March
        27,
        1986
        are
        intended
        to
        clarify
        the
        distinction
        between
        
        
        exploration
        and
        development
        expenses.
        
        
        
        
      
        History
       
        and
       
        statutory
       
        context
       
        of
       
        clause
       
        66.1(6)(a)(ii.l)(A)
      
      Subparagraphs
      66.l(6)(a)(ii)
      and
      66.1(6)(a)(ii.l)
      read
      as
      follows
      in
      
      
      1988:
      
      
      
      
    
        Paragraph
        66.1(6)(«)
        
        
        
        
      
        “Canadian
        exploration
        expense”
        of
        a
        taxpayer
        means
        any
        expense
        incurred
        after
        
        
        May
        6,
        1974
        that
        is
        
        
        
        
      
        (ii)
        any
        expense
        incurred
        
          before
         
          April,
         
          1987
        
        in
        drilling
        or
        completing
        an
        oil
        
        
        or
        gas
        well
        in
        Canada
        or
        in
        building
        a
        temporary
        access
        road
        to,
        or
        preparing
        
        
        a
        site
        in
        respect
        of,
        any
        such
        well,
        
        
        
        
      
        (A)
        incurred
        by
        him
        in
        the
        year,
        or
        
        
        
        
      
|  | (B) | incurred
            by
            him
            in
            any
            previous
            year
            and
            included
            by
            him
            in | 
|  | computing
            his
            Canadian
            development
            expense
            for
            a
            previous | 
|  | taxation
            year, | 
|  | if,
            within
            six
            months
            after
            the
            end
            of
            the
            year,
            the
            drilling
            of
            the
            well
            is | 
|  | completed
            and | 
|  | (C) | it
            is
            determined
            that
            the
            well
            is
            the
            first
            well
            capable
            of
            produc | 
|  | tion
            in
            commercial
            quantities
            from
            an
            accumulation
            of
            petro | 
|  | leum
            or
            natural
            gas
            (other
            than
            a
            mineral
            resource)
            not
            previ | 
|  | ously
            known
            to
            exist,
            or | 
|  | (D) | it
            is
            reasonable
            to
            expect
            that
            the
            well
            will
            not
            come
            into
            pro | 
|  | duction
            in
            commercial
            quantities
            within
            twelve
            months
            of
            its | 
|  | completion, | 
| (ii.l) | any
            expense
            incurred
            by
            him
            after
            March,
            1987
            and
            in
            a
            taxation
            year | 
|  | of
            the
            taxpayer
            in
            drilling
            or
            completing
            an
            oil
            or
            gas
            well
            in
            Canada
            or | 
|  | in
            building
            a
            temporary
            access
            road
            to,
            or
            preparing
            a
            site
            in
            respect
            of, | 
|  | any
            such
            well
            if | 
|  | (A) | the
            well
            resulted
            in
            the
            discovery
            of
            a
            natural
            accumulation
            of | 
|  | petroleum
            or
            natural
            gas
            and
            the
            discovery
            occurred
            at
            any
            time | 
|  | before
            six
            months
            after
            the
            end
            of
            the
            year, | 
|  | (B) | the
            well
            is
            abandoned
            in
            the
            year
            or
            within
            six
            months
            after
            the | 
|  | end
            of
            the
            year
            without
            ever
            having
            produced
            otherwise
            than | 
|  | for
            specified
            purposes, | 
|  | (C) | the
            period
            of
            24-months
            commencing
            on
            the
            day
            of
            completion | 
|  | of
            the
            drilling
            of
            the
            well
            ends
            in
            the
            year,
            the
            expense
            was | 
|  | incurred
            within
            that
            period
            and
            in
            the
            year
            and
            the
            well
            has
            not | 
|  | within
            that
            period
            produced
            otherwise
            than
            for
            specified
            pur | 
|  | poses,
            or | 
|  | (D) | a
            certificate
            in
            prescribed
            form
            in
            respect
            of
            the
            well
            has
            been | 
|  | filed
            with
            the
            Minister
            on
            or
            before
            the
            day
            that
            is
            60
            days
            after | 
|  | the
            end
            of
            the
            calendar
            year
            in
            which
            the
            drilling
            of
            the
            well
            has | 
|  | commenced, | 
|  | (I) | the
            aggregate
            of
            expenses
            incurred
            and
            to
            be
            incurred | 
|  | in
            drilling
            and
            completing
            the
            well,
            in
            building
            a
            tem | 
|  | porary
            access
            road
            to
            the
            well
            and
            in
            preparing
            the
            site | 
|  | in
            respect
            of
            the
            well
            will
            exceed
            $5,000,000,
            and | 
|  | (II) | the
            well
            will
            not
            produce,
            otherwise
            than
            for
            a
            specified | 
|  | purpose,
            within
            the
            period
            of
            24
            months
            commencing | 
|  | on
            the
            day
            on
            which
            the
            drilling
            of
            the
            well
            is
            com | 
|  | pleted,
            [emphasis
            mine] | 
          a)
        
        «frais
        d’exploration
        au
        Canada»
        d’un
        contribuable
        s’entend
        des
        dépenses
        suivantes
        
        
        engagées
        après
        le
        6
        mai
        1974:
        
        
        
        
      
| (ii) | une
            dépense
            d’une
            part
            engagée
            avant
            avril
            1987
            pour
            le
            forage
            ou | 
|  | l’achèvement
            d’un
            puits
            de
            pétrole
            ou
            de
            gaz
            au
            Canada,
            la
            construction | 
|  | d’une
            route
            d’accès
            temporaire
            au
            puits
            ou
            la
            préparation
            d’un
            emplace | 
|  | ment
            pour
            un
            tel
            puits,
            et
            d’autre
            part
            engagée
            par
            le
            contribuable | 
|  | (A) | soit
            dans
            l’année, | 
|  | (B) | soit
            dans
            une
            année
            antérieure
            si
            elle
            est
            incluse
            par
            le
            contribu | 
|  | able
            dans
            le
            calcul
            de
            ses
            frais
            d’aménagement
            au
            Canada
            pour | 
|  | une
            année
            d’imposition
            antérieure, | 
|  | si,
            dans
            les
            six
            mois
            suivant
            la
            fin
            de
            l’année,
            le
            forage
            du
            puits
            est | 
|  | achevé
            et | 
|  | (C) | qu’il
            soit
            établi
            que
            le
            puits
            est
            le
            premier
            susceptible
            d’une | 
|  | production
            en
            quantités
            commerciales
            à
            partir
            d’un
            gisement
            de | 
|  | pétrole
            ou
            de
            gaz
            naturel
            (à
            l’exception
            d’une
            ressource
            minér | 
|  | ale)
            jusque-là
            inconnu,
            ou | 
|  | (D) | qu’il
            soit
            raisonnable
            de
            s’attendre
            à
            ce
            que
            le
            puits
            ne
            produise | 
|  | pas
            de
            quantités
            commerciales
            dans
            les
            douze
            mois
            de
            son | 
|  | achèvement, | 
| (11.1) | une
            dépense
            engagée
            par
            le
            contribuable
            après
            mars
            1987
            et
            dans
            une | 
|  | année
            d’imposition
            du
            contribuable,
            pour
            le
            forage
            ou
            l’achèvement | 
|  | d’un
            puits
            de
            pétrole
            ou
            de
            gaz
            au
            Canada,
            la
            construction
            d’une
            route | 
|  | d’accès
            temporaire
            au
            puits
            ou
            la
            préparation
            d’un
            emplacement
            pour
            un | 
|  | tel
            puits,
            à
            condition,
            selon
            le
            cas, | 
|  | (A) | que
            le
            puits
            soit
            la
            cause
            de
            la
            découverte,
            à
            une
            date
            antérieure | 
|  | à
            la
            période
            de
            six
            mois
            suivant
            la
            fin
            de
            l’année,
            d’un
            gisement | 
|  | naturel
            de
            pétrole
            ou
            de
            gaz
            naturel, | 
|  | (B) | que
            le
            puits
            soit
            abandonné
            dans
            l’année
            ou
            dans
            les
            six
            mois | 
|  | suivant
            la
            fin
            de
            l’année
            sans
            avoir
            jamais
            produit
            de
            pétrole
            ou | 
|  | de
            gaz
            sinon
            à
            une
            fin
            admise, | 
|  | (C) | que
            le
            terme
            de
            la
            période
            de
            24
            mois
            commençant
            le
            jour | 
|  | d’achèvement
            du
            forage
            du
            puits
            tombe
            dans
            l’année,
            que
            la | 
|  | dépense
            soit
            engagée
            durant
            cette
            période
            et
            dans
            l’année
            et
            que | 
|  | le
            puits
            n’ait
            pas
            produit
            de
            pétrole
            ou
            de
            gaz
            durant
            cette
            péri | 
|  | ode
            sinon
            à
            une
            fin
            admise, | 
|  | (D) | que
            soit
            produite
            au
            ministre,
            au
            plus
            tard
            six
            mois
            après
            la
            fin | 
|  | de
            l’année
            d’imposition
            du
            contribuable
            dans
            laquelle
            le
            forage | 
|  | du
            puits
            a
            commencé,
            une
            attestation
            délivrée
            par
            le
            ministre
            de | 
|  | l’Énergie,
            des
            Mines
            et
            des
            Ressources
            portant
            que,
            compte | 
        tenu
        des
        éléments
        de
        preuve
        qui
        lui
        ont
        été
        présentées,
        il
        est
        
        
        convaincu:
        
        
        
        
      
        (I)
        d’une
        part,
        que
        le
        total
        des
        dépenses
        engagées
        et
        à
        engager
        
        
        pour
        le
        forage
        ou
        l’achèvement
        du
        puits,
        la
        construction
        
        
        d’une
        route
        d’accès
        temporaire
        au
        puits
        et
        la
        
        
        préparation
        d’un
        emplacement
        pour
        le
        puits
        dépassera
        
        
        5
        000
        000
        $,
        
        
        
        
      
        (II)
        d’autre
        part,
        que
        le
        puits
        ne
        produira
        pas
        de
        pétrole
        ou
        
        
        de
        gaz
        sinon
        à
        une
        fin
        admise
        dans
        la
        période
        de
        24
        
        
        mois
        commençant
        à
        la
        date
        où
        le
        forage
        du
        puits
        est
        
        
        terminé,
        
        
        
        
      
      Prior
      to
      its
      amendment
      in
      1986,
      subparagraph
      66.1(6)(a)(ii.l)
      read:
      
      
      
      
    
        66.7(6)(tz)(/Z.7)
        any
        expense
        incurred
        after
        1985
        in
        drilling
        or
        completing
        an
        oil
        
        
        or
        gas
        well
        in
        Canada
        or
        in
        building
        a
        temporary
        access
        road
        to,
        or
        preparing
        a
        
        
        site
        in
        respect
        of,
        any
        such
        well,
        
        
        
        
      
        (A)
        incurred
        by
        him
        in
        the
        year,
        or
        
        
        
        
      
        (B)
        incurred
        by
        him
        in
        any
        previous
        year
        and
        included
        by
        him
        in
        
        
        computing
        his
        Canadian
        development
        expense
        for
        a
        previous
        
        
        taxation
        year,
        
        
        
        
      
        if
        drilling
        of
        the
        well
        is
        completed
        within
        six
        months
        after
        the
        end
        of
        the
        
        
        year
        and
        the
        well
        is
        abandoned
        within
        six
        months
        after
        the
        end
        of
        the
        
        
        year
        and
        within
        twelve
        months
        after
        the
        drilling
        of
        the
        well
        is
        
        
        completed,
        
        
        
        
      
        66.1(6)(a)(ti.1)
        une
        dépense
        supportée
        après
        1985
        pour
        le
        forage
        ou
        
        
        l’achèvement
        d’un
        puits
        de
        pétrole
        ou
        de
        gaz
        au
        Canada,
        la
        construction
        d’une
        
        
        route
        d’accès
        temporaire
        au
        puits
        ou
        la
        préparation
        d’un
        emplacement
        à
        l’égard
        
        
        d’un
        tel
        puits,
        
        
        
        
      
        (A)
        supportée
        par
        lui
        dans
        l’année,
        ou
        
        
        
        
      
        (B)
        supportée
        par
        lui
        dans
        toute
        année
        précédente
        et
        incluse
        par
        lui
        
        
        lors
        du
        calcul
        de
        ses
        frais
        d’aménagement
        au
        Canada
        pour
        une
        
        
        année
        d’imposition
        antérieure,
        
        
        
        
      
        si
        le
        forage
        du
        puits
        est
        terminé
        dans
        les
        six
        mois
        suivant
        la
        fin
        de
        
        
        l’année
        et
        si
        le
        puits
        est
        abandonné
        dans
        les
        six
        mois
        suivant
        la
        fin
        de
        
        
        l’année
        et
        dans
        les
        douze
        mois
        de
        son
        achèvement,
        
        
        
        
      
      The
      pre-1986
      version
      of
      subparagraph
      66.1(6)(tz)(ii.l)
      merely
      required
      
      
      that
      the
      drilling
      be
      completed
      and
      the
      well
      abandoned
      within
      six
      months
      
      
      after
      the
      end
      of
      the
      year.
      The
      amended
      version
      provides
      another
      alternative:
      
      
      now,
      CEE
      may
      be
      claimed
      in
      a
      year
      if,
      within
      six
      months
      of
      the
      end
      of
      the
      
      
      year,
      either
      the
      well
      results
      in
      a
      discovery
      of
      a
      natural
      accumulation
      of
      oil
      
      
      or
      gas
      or
      the
      well
      is
      abandoned.
      This
      amendment
      has
      added
      the
      terms
      “dis-
      
      
      
      
    
        1997-06-05
        
        
        
        
      
      covery”
      and
      “natural
      accumulation”
      which
      replace
      a
      more
      general
      drilling
      
      
      requirement;
      obviously,
      it
      is
      intended
      that
      something
      more
      than
      mere
      drilling
      
      
      be
      present.
      
      
      
      
    
      Counsel
      for
      the
      appellants
      submits
      that
      “discovery”
      should
      be
      taken
      to
      
      
      mean
      capable
      of
      production
      in
      any
      quantity,
      regardless
      of
      how
      minimal,
      
      
      given
      that
      subparagraph
      66.1(6)(a)(11.1)
      refers
      to
      a
      discovery,
      rather
      than
      a
      
      
      discovery
      capable
      of
      production
      in
      commercial
      quantities,
      a
      qualification
      
      
      which
      specifically
      appears
      elsewhere
      in
      the
      CEE
      provisions.
      According
      to
      
      
      counsel,
      the
      word
      “discovery”
      appears
      more
      likely
      to
      have
      been
      specifically
      
      
      intended
      to
      be
      substituted
      for
      the
      phrase
      “not
      previously
      known
      to
      exist”
      in
      
      
      clause
      66.1(6)(«)(ii)(C).
      
      
      
      
    
      Counsel
      for
      the
      respondent
      takes
      it
      as
      having
      been
      settled
      that
      the
      terms
      
      
      used
      in
      the
      
        Act
      
      must
      be
      interpreted
      in
      accordance
      with
      their
      specialized
      
      
      meanings
      in
      the
      industry.
      She
      submits
      that
      the
      use
      of
      the
      word
      “discovery”
      
      
      within
      the
      industry
      presumes
      a
      capability
      of
      commercial
      production,
      particularly
      
      
      when
      linked
      to
      the
      word
      “accumulation”.
      
      
      
      
    
      Although
      the
      meaning
      within
      the
      industry
      is
      helpful
      in
      interpreting
      a
      
      
      provision
      of
      the
      
        Act,
      
      such
      meaning
      must
      be
      determined
      to
      be
      correct
      in
      the
      
      
      context
      of
      the
      provisions
      of
      the
      
        Act?.
      
      In
      
        Nova,
       
        an
       
        Alberta
       
        Corporation
      
      v.
      
      
      
        The
       
        Queen,
      
      the
      Federal
      Court
      of
      Appeal
      had
      to
      determine
      the
      meaning,
      for
      
      
      capital
      cost
      allowance
      purposes,
      of
      the
      word
      “pipeline”
      as
      used
      in
      the
      
        Income
       
        Tax
       
        Regulations.
      
      In
      confirming
      that
      the
      trial
      judge
      was
      correct
      in
      considering
      
      
      the
      meaning
      ascribed
      to
      the
      term
      by
      those
      involved
      in
      the
      oil
      and
      
      
      gas
      industry,
      Urie
      J.
      said
      at
      p.
      6391:
      
      
      
      
    
        Dictionary
        meanings
        are,
        of
        course,
        relevant,
        as
        other
        aids
        to
        construction
        just
        as
        
        
        the
        evidence
        of
        those
        conversant
        with
        the
        industry
        provides
        assistance
        to
        the
        
        
        ultimate
        arbiter,
        the
        Court…
        
        
        
        
      
        ...the
        dictionary
        meanings
        to
        which
        both
        he
        (the
        trial
        judge)
        and
        this
        Court
        were
        
        
        referred
        varied
        sufficiently
        that
        they
        could
        fairly
        be
        described
        as
        inconclusive.
        
        
        He
        was,
        therefore,
        entitled
        to
        accord
        those
        meanings
        little
        weight
        and
        to
        accept
        
        
        evidence
        of
        the
        Respondent’s
        experts
        as
        persons
        familiar
        with
        the
        subject,
        ....
        
        
        
        
      
      In
      the
      present
      case,
      I
      must
      determine
      whether
      there
      was
      a
      discovery
      of
      a
      
      
      natural
      accumulation
      of
      petroleum
      or
      natural
      gas
      within
      the
      meaning
      of
      
      
      clause
      66.1(6)(a)(ii.1)(A)
      of
      the
      Act.
      I
      agree
      with
      counsel
      for
      the
      appellants
      
      
      that
      these
      words
      are
      to
      be
      construed
      in
      the
      context
      of
      the
      statute
      as
      a
      whole,
      
      
      
      and,
      in
      the
      words
      of
      E.
      A.
      Driedger
      in
      
        Construction
       
        of
       
        Statutes:
      
        ...the
        words
        of
        an
        Act
        are
        to
        be
        read
        in
        their
        entire
        context
        and
        in
        their
        grammatical
        
        
        and
        ordinary
        sense
        harmoniously
        with
        the
        scheme
        of
        the
        Act,
        the
        object
        of
        
        
        the
        Act,
        and
        the
        intention
        of
        Parliament...
        
        
        
        
      
      However,
      I
      also
      agree
      with
      MacKay
      J.
      in
      
        Ora
       
        Del
       
        Norte,
       
        S.A.
      
      v.
      
        The
       
        Queen
       
        J
      
      when
      he
      says
      that
      “the
      use
      of
      terminology
      used
      in
      the
      industry
      may
      
      
      be
      significant
      where
      the
      
        Income
       
        Tax
       
        Act
      
      does
      not
      itself
      define
      words
      that
      it
      
      
      uses”.
      In
      the
      present
      instance,
      neither
      the
      expression
      “the
      discovery
      of
      a
      
      
      natural
      accumulation
      of
      petroleum
      or
      natural
      gas”
      as
      a
      whole
      nor
      the
      words
      
      
      “discovery”
      or
      “accumulation”
      taken
      individually
      are
      defined
      in
      the
      
        Act.
      
      
      
      Evidence
      of
      usage
      within
      the
      industry
      will
      therefore
      be
      of
      assistance
      in
      interpreting
      
      
      those
      words
      as
      used
      in
      the
      statute.
      This
      kind
      of
      evidence
      may
      be
      
      
      presented
      by
      experts.
      In
      
        R.
      
      v.
      
        Mohan,
      
      Sopinka
      J.
      expressed
      himself
      as
      
      
      follows:
      
      
      
      
    
        This
        pre-condition
        [the
        necessity
        of
        an
        expert
        witness
        to
        assist
        the
        trier
        of
        fact]
        is
        
        
        often
        expressed
        in
        terms
        as
        to
        whether
        the
        evidence
        would
        be
        helpful
        to
        the
        trier
        
        
        of
        fact.
        The
        word
        “helpful”
        is
        not
        quite
        appropriate
        and
        sets
        too
        low
        a
        standard.
        
        
        However,
        I
        would
        not
        judge
        necessity
        by
        too
        strict
        a
        standard.
        What
        is
        required
        
        
        is
        that
        the
        opinion
        be
        necessary
        in
        the
        sense
        that
        it
        provide
        information
        “which
        is
        
        
        likely
        to
        be
        outside
        the
        experience
        and
        knowledge
        of
        a
        judge
        or
        jury”:
        as
        quoted
        
        
        by
        Dickson
        J.
        in
        
          R.
         
          v.
         
          Abbey,
         
          supra.
        
        As
        stated
        by
        Dickson
        J.,
        the
        evidence
        must
        
        
        be
        necessary
        to
        enable
        the
        trier
        of
        fact
        to
        appreciate
        the
        matters
        in
        issue
        due
        to
        
        
        their
        technical
        nature.
        In
        
          Kelliher
         
          (Village
         
          of)
         
          v.
         
          Smith,
        
        (1931)
        S.C.R.
        672,
        at
        p.
        
        
        684,
        this
        Court,
        quoting
        from
        
          Beven
         
          on
         
          Negligence
        
        (4th
        ed.
        1928),
        at
        p.
        141,
        
        
        stated
        that
        in
        order
        for
        expert
        evidence
        to
        be
        admissible,
        “the
        subject-matter
        of
        
        
        the
        inquiry
        must
        be
        such
        that
        ordinary
        people
        are
        unlikely
        to
        form
        a
        correct
        
        
        judgment
        about
        it,
        if
        unassisted
        by
        persons
        with
        special
        knowledge”.
        
        
        
        
      
      This
      being
      said,
      I
      have
      now
      to
      resolve
      the
      question
      raised
      by
      the
      appellants
      
      
      as
      to
      the
      qualification
      of
      the
      respondent’s
      expert,
      Mr.
      Davidson.
      
      
      
        Qualification
       
        of
       
        Mr.
       
        Davidson
       
        as
       
        an
       
        expert
       
        witness
      
      The
      expert’s
      usefulness
      in
      stating
      his
      opinion
      and
      conclusions
      on
      a
      scientific
      
      
      and
      technical
      issue
      is
      circumscribed
      by
      the
      limits
      of
      his
      own
      knowledge.
      
      
      The
      test
      of
      expertness
      is
      described
      as
      follows
      in
      
        The
       
        Law
       
        of
       
        Evidence
       
        in
       
        Canada:
      
        ®.
      
        The
        test
        of
        expertness
        so
        far
        as
        the
        law
        of
        evidence
        is
        concerned
        is
        skill
        in
        the
        
        
        field
        in
        which
        the
        witness’
        opinion
        is
        sought.
        The
        admissibility
        of
        such
        evidence
        
        
        does
        not
        depend
        upon
        the
        means
        by
        which
        the
        skill
        was
        acquired.
        As
        long
        as
        the
        
        
        court
        is
        satisfied
        that
        the
        witness
        is
        sufficiently
        experienced
        in
        the
        subject-matter
        
        
        at
        issue,
        the
        court
        will
        not
        be
        concerned
        with
        whether
        his
        or
        her
        skill
        was
        derived
        
        
        from
        specific
        studies
        or
        by
        practical
        training,
        although
        that
        may
        affect
        the
        
        
        weight
        to
        be
        given
        to
        the
        evidence.
        
        
        
        
      
      Therefore,
      and
      as
      was
      mentioned
      by
      McLachlin
      J.
      in
      the
      decision
      of
      the
      
      
      Supreme
      Court
      of
      Canada
      in
      
        R.
       
        v.
       
        Marquard:
      
        The
        only
        requirement
        for
        the
        admission
        of
        expert
        opinion
        is
        that
        the
        “expert
        
        
        witness
        possesses
        special
        knowledge
        and
        experience
        going
        beyond
        that
        of
        the
        
        
        trier
        of
        fact”:
        R.
        v.
        Béland,
        (1987)
        2
        S.C.R.
        398,
        at
        p.
        415.
        Deficiencies
        in
        the
        
        
        expertise
        go
        to
        weight,
        not
        admissibility.
        
        
        
        
      
      Here,
      Mr.
      Davidson
      was
      asked
      to
      comment
      on
      the
      statement
      of
      the
      appellants’
      
      
      expert
      witness
      regarding
      well
      10-24
      and
      to
      give
      his
      opinion
      on
      
      
      whether
      well
      10-24
      represents
      “the
      discovery
      of
      a
      natural
      accumulation
      of
      
      
      petroleum
      or
      natural
      gas”.
      According
      to
      his
      biographical
      résumé,
      Mr.
      Davidson
      
      
      graduated
      from
      the
      University
      of
      Manitoba
      with
      an
      honours
      Bachelor
      
      
      of
      Science
      degree
      in
      Geology
      in
      1977.
      He
      began
      his
      career
      in
      the
      petroleum
      
      
      industry
      doing
      work
      consisting
      in
      calculating
      reserves
      available
      in
      oil
      
      
      and
      gas
      pools,
      primarily
      in
      eastern
      Alberta.
      He
      joined
      Esso
      Resources
      in
      the
      
      
      fall
      of
      1978
      where
      he
      stayed
      for
      three
      years
      and
      worked
      in
      that
      company’s
      
      
      Reservoir
      Geology
      Division
      in
      Alberta.
      He
      worked
      as
      a
      geologist
      with
      the
      
      
      Newfoundland
      government
      for
      two
      years
      and
      then
      with
      the
      Canadian
      Oil
      
      
      and
      Gas
      Lands
      Administration
      (COGLA)
      in
      Ottawa
      where
      he
      performed
      
      
      pool
      studies
      to
      determine
      reserves
      on
      the
      mainland
      of
      the
      Yukon
      Territory.
      
      
      In
      1985,
      he
      joined
      the
      NEB
      in
      Calgary,
      where
      he
      worked
      in
      the
      area
      of
      
      
      reserves
      existing
      in
      pools
      in
      western
      Canada.
      In
      December
      1994,
      he
      was
      
      
      loaned
      to
      the
      EUB
      to
      do
      geological
      analysis
      on
      new
      wells
      as
      part
      of
      the
      
      
      EUB-NEB
      joint
      database
      project.
      
      
      
      
    
      The
      appellants
      challenge
      the
      expertise
      of
      Mr.
      Davidson
      on
      the
      basis
      that
      
      
      he
      lacks
      experience
      as
      a
      well-site
      geologist
      (in
      his
      testimony,
      Mr.
      Davidson
      
      
      admitted
      that
      inhis
      career
      he
      only
      visited
      two
      well
      sites)
      and
      therefore
      
      
      would
      not
      be
      qualified
      to
      analyze
      the
      well-site
      geologist’s
      report
      (the
      core
      
      
      and
      log
      data
      reports)
      or
      the
      production
      testing
      and
      well
      completion
      results.
      
      
      Furthermore,
      counsel
      argues
      that
      Mr.
      Davidson
      is
      neither
      a
      petrophysicist,
      
      
      (a
      recognized
      expert
      in
      log
      analysis
      and
      interpretation)
      nor
      a
      professional
      
      
      geologist
      in
      Alberta
      so
      designated
      by
      the
      Association
      of
      Professional
      Engineers,
      
      
      Geologists
      and
      Geophysicists
      of
      Alberta.
      
      
      
      
    
      On
      this
      latter
      point,
      Mr.
      Davidson
      testified
      that
      he
      used
      to
      be
      a
      member
      
      
      of
      this
      Association
      and
      was
      granted
      professional
      geologist’s
      status,
      but
      he
      
      
      stopped
      paying
      the
      annual
      dues
      when
      he
      first
      moved
      to
      Newfoundland
      as
      
      
      membership
      in
      the
      Association
      was
      no
      longer
      relevant.
      When
      he
      went
      back
      
      
      to
      Alberta,
      he
      started
      to
      work
      for
      the
      government
      and
      it
      was
      not
      a
      requirement
      
      
      that
      he
      belong
      to
      the
      Association.
      Mr.
      Davidson
      mentioned
      that
      he
      
      
      was
      however
      qualified
      to
      work
      in
      the
      industry
      and
      only
      needed
      to
      pay
      the
      
      
      required
      dues
      to
      regain
      his
      membership.
      I
      find
      that
      non-membership
      in
      the
      
      
      Association
      is
      not
      a
      good
      argument
      for
      disqualifying
      Mr.
      Davidson
      as
      an
      
      
      expert
      as
      long
      as
      he
      can
      demonstrate
      that
      he
      has
      expertise
      in
      the
      field.
      
      
      
      
    
      Based
      on
      the
      evidence,
      I
      am
      of
      the
      opinion
      that
      Mr.
      Davidson
      is
      certainly
      
      
      qualified
      to
      give
      an
      expert
      opinion
      in
      the
      present
      case.
      His
      background
      
      
      in
      geology
      is
      no
      less
      relevant
      than
      that
      of
      the
      appellants’
      expert.
      
      
      Even
      though
      Mr.
      Davidson
      only
      went
      to
      well
      sites
      twice
      and
      is
      not
      qualified
      
      
      as
      a
      petrophysicist,
      I
      am
      satisfied
      that
      with
      his
      knowledge
      as
      a
      geologist
      he
      
      
      has
      more
      than
      enough
      experience
      to
      interpret
      log
      data,
      which
      is
      crucial
      in
      
      
      determining
      if
      there
      was
      a
      discovery
      of
      a
      natural
      accumulation
      of
      petroleum
      
      
      or
      natural
      gas
      in
      the
      well.
      
      
      
      
    
      His
      ability
      to
      analyze
      the
      production
      testing,
      the
      well
      completion
      results
      
      
      and
      the
      core
      reports
      goes
      only
      to
      the
      weight
      I
      will
      give
      to
      his
      opinion
      and
      
      
      does
      not
      negate
      his
      competence
      to
      give
      an
      expert
      opinion.
      As
      was
      stated
      by
      
      
      McLachlin
      J.
      in
      
        R.
       
        v.
       
        Marquardt
      
        Important
        as
        the
        initial
        qualification
        of
        an
        expert
        witness
        may
        be,
        it
        would
        be
        
        
        overly
        technical
        to
        reject
        expert
        evidence
        simply
        because
        the
        witness
        ventures
        
        
        an
        opinion
        beyond
        the
        area
        of
        expertise
        in
        which
        he
        or
        she
        has
        been
        qualified.
        
        
        
        
      
        Meaning
       
        of
       
        “discovery
       
        of
       
        a
       
        natural
       
        accumulation
       
        of
       
        petroleum
       
        or
       
        natural
       
        gas"
      
      From
      the
      submissions
      of
      the
      respondent’s
      counsel
      and
      Mr.
      Davidson’s
      
      
      testimony
      and
      documents
      filed,
      
      it
      is
      clear
      that
      their
      interpretation
      of
      what
      
      
      constitutes
      a
      discovery
      is
      an
      accumulation
      of
      petroleum
      or
      natural
      gas
      that
      
      
      is
      based
      on
      the
      definition
      given
      in
      the
      industry
      of
      what
      they
      call
      “established
      
      
      reserves”,
      which
      term
      is
      defined
      as
      follows:
      
          Established
         
          Reserves:
        
        Those
        reserves
        recoverable
        under
        current
        technology
        and
        
        
        present
        and
        anticipated
        economic
        conditions,
        specifically
        proved
        by
        drilling,
        
        
        testing,
        or
        production;
        plus
        that
        judgement
        portion
        of
        contiguous
        recoverable
        
        
        reserves
        that
        are
        interpreted
        from
        geological,
        geophysical,
        or
        similar
        information,
        
        
        with
        reasonable
        certainty
        to
        exist.
        
        
        
        
      
      The
      terms
      “reserve”,
      “reserves”,
      “reservoir”
      and
      “pool”
      are
      defined
      as
      
      
      follows
      in
      the
      industry:
      
          Manual
         
          of
         
          Oil
         
          &
         
          Gas
         
          Terms
        
          reserve:
        
        That
        portion
        of
        the
        identified
        resource
        from
        which
        a
        usable
        energy
        
        
        commodity
        can
        be
        economically
        and
        legally
        extracted
        at
        the
        time
        of
        
        
        determination.
        
        
        
        
      
          reserves'.
        
        The
        unproduced
        but
        recoverable
        oil
        and/or
        gas
        in
        place
        in
        a
        formation
        
        
        which
        has
        been
        proved
        by
        production.
        
        
        
        
      
          reservoir:
        
        A
        porous,
        permeable
        sedimentary
        rock
        containing
        commercial
        quantities
        
        
        of
        oil
        or
        gas.
        Three
        types
        of
        reservoirs
        are
        encountered:
        (a)
        Structural
        Trap;
        
        
        (b)
        Stratigraphic
        Trap,
        and
        (c)
        Combination
        Trap.
        The
        reservoir
        is
        formed
        when
        
        
        escape
        of
        the
        oil
        or
        gas
        is
        prevented
        by
        surrounding
        layers
        of
        impervious
        rock.
        
        
        
        
      
          pool:
        
        An
        underground
        reservoir
        containing
        or
        appearing
        to
        contain
        a
        common
        
        
        accumulation
        of
        oil
        and
        natural
        gas.
        A
        zone
        of
        a
        structure
        which
        is
        completely
        
        
        separated
        from
        any
        other
        zone
        in
        the
        same
        structure
        is
        a
        pool.
        
        
        
        
      
          Dictionary
         
          of
         
          Geological
         
          Terms
        
          reserve:
        
        Petroleum
        or
        natural
        gas
        discovered,
        developed,
        and
        producible,
        but
        not
        
        
        yet
        produced.
        
        
        
        
      
          reservoir:
        
        A
        natural
        underground
        container
        of
        liquids,
        such
        as
        oil
        or
        water,
        and
        
        
        gases.
        In
        general,
        such
        reservoirs
        were
        formed
        by
        local
        deformation
        of
        strata,
        by
        
        
        changes
        of
        porosity,
        and
        by
        intrusions.
        These,
        however,
        are
        classifications
        in
        the
        
        
        broadest
        sense.
        
        
        
        
      
          oil
         
          pool:
        
        An
        accumulation
        of
        oil
        in
        sedimentary
        rock
        that
        yields
        petroleum
        on
        
        
        drilling.
        The
        oil
        occurs
        in
        the
        pores
        of
        the
        rock
        and
        is
        not
        a
        pool
        or
        pond
        in
        the
        
        
        ordinary
        sense
        of
        these
        words.
        
        
        
        
      
          AGI
         
          Glossary
        
          reserves:
        
        Identified
        resources
        of
        fuel-bearing
        rock
        from
        which
        the
        fuel
        can
        be
        
        
        extracted
        profitably
        with
        existing
        technology
        and
        under
        present
        economic
        
        
        conditions.
        
        
        
        
      
          reservoir
         
          (petroleum):
        
        (a)
        A
        subsurface
        volume
        of
        rock
        that
        has
        sufficient
        porosity
        
        
        and
        permeability
        to
        permit
        the
        accumulation
        of
        crude
        oil
        or
        natural
        gas
        under
        
        
        adequate
        trap
        conditions,
        (b)
        A
        pool
        of
        gas
        or
        oil.
        
        
        
        
      
          oil
         
          pool:
        
        A
        subsurface
        accumulation
        of
        petroleum
        that
        will
        yield
        crude
        oil
        in
        
        
        economic
        quantities.
        
        
        
        
      
      Under
      these
      definitions,
      there
      is
      clearly
      a
      requirement
      that
      the
      drilling,
      
      
      testing
      or
      production
      tests
      show
      that
      the
      well
      in
      question
      can
      be
      economically
      
      
      viable.
      As
      regards
      this
      test
      (and
      counsel
      for
      the
      appellants
      seemed
      to
      
      
      agree
      on
      this
      as
      he
      did
      not
      even
      try
      to
      argue
      that
      well
      10-24
      could
      ever
      
      
      satisfy
      the
      “anticipated
      economic”
      conditions
      requirement
      of
      the
      “established
      
      
      reserves”
      definition
      enunciated
      by
      the
      ERCB),
      the
      evidence
      shows
      
      
      that
      well
      10-24
      has
      not
      proved
      to
      be
      economically
      viable.
      
      
      
      
    
      However,
      the
      terms
      the
      legislator
      used
      in
      the
      
        Act
      
      are
      neither
      “established
      
      
      reserves”
      nor
      “oil
      pool”
      nor
      “reservoir”
      but
      rather
      “the
      discovery
      of
      a
      natural
      
      
      accumulation
      of
      petroleum
      or
      natural
      gas”.
      In
      
        Petroleum
       
        Fiscal
       
        Systems
       
        In
       
        Canada,
      
      Department
      of
      Energy,
      Mines
      and
      Resources
      (August
      1991),
      
      
      which
      deals
      with
      the
      CEE,
      we
      find
      at
      page
      16
      that:
      
      
      
      
    
        Canadian
        exploration
        expenses
        (CEE)
        includes
        costs
        incurred
        at
        two
        stages
        of
        
        
        play
        development:
        
        
        
        
      
        i)
        all
        geological,
        geophysical
        and
        geochemical
        activities
        for
        determining
        
        
        the
        existence,
        location,
        extent
        or
        quality
        of
        an
        oil
        or
        gas
        accumulation;
        
        
        and
        
        
        
        
      
        ii)
        costs
        incurred
        in
        drilling
        or
        completing
        a
        well,
        building
        a
        temporary
        
        
        access
        road
        or
        preparing
        the
        well
        site,
        if:
        
        
        
        
      
        (a)
        the
        well
        results
        in
        the
        discovery
        of
        a
        new
        accumulation
        
        
        of
        oil
        or
        natural
        gas
        (i.e,
        the
        discovery
        well);
        
        
        
        
      
        (b)
        the
        well
        is
        abandoned
        without
        ever
        having
        produced
        
        
        commercially
        (i.e,
        a
        dry
        hole);
        
        
        
        
      
        (c)
        the
        well
        has
        not
        produced
        commercially
        within
        24
        
        
        months
        after
        completion
        of
        drilling
        (i.e,
        a
        shut-in
        well);
        
        
        or
        
        
        
        
      
        (d)
        the
        well
        is
        expected
        to
        have
        costs
        in
        excess
        of
        $5
        
        
        million
        and
        not
        to
        produce
        commercially
        within
        24
        
        
        months
        (i.e,
        a
        high-cost
        well)
        as
        certified
        by
        the
        Minister
        
        
        of
        Energy,
        Mines
        and
        Resources.
        
        
        
        
      
      It
      suggests
      that
      the
      expression
      “discovery
      of
      a
      natural
      accumulation
      of
      
      
      petroleum
      or
      natural
      gas”
      would
      be
      akin
      to
      “discovery
      well”
      in
      industry
      
      
      terms.
      The
      terms
      “discovery”
      and
      “discovery
      well”
      are
      defined
      as
      follows
      in
      
      
      the
      industry:
      
      
      
      
    
          AGI
         
          Glossary:
        
          discovery
         
          well:
        
        The
        first
        well
        to
        encounter
        gas
        or
        oil
        in
        a
        hitherto
        unproven
        area
        
        
        or
        at
        a
        hitherto
        unproductive
        depth;
        a
        successful
        wildcat,
        outpost
        well,
        deeper-
        
        
        pool
        test,
        or
        shallower-pool
        test.
        
        
        
        
      
          Dictionary
         
          of
         
          Geological
         
          Terms:
        
          Discovery
         
          well:
        
        A
        well
        discovering
        oil
        or
        gas
        in
        a
        pool
        hitherto
        unknown
        and
        
        
        unproductive.
        
        
        
        
      
          Manual
         
          of
         
          Oil
         
          &
         
          Gas
         
          Terms:
        
          discovery:
        
        Drilling
        of
        a
        well
        to
        a
        formation
        capable
        of
        production
        of
        oil
        and/or
        
        
        gas.
        
        
        
        
      
          discoveries:
        
        Proved
        reserves
        credited
        to
        new
        fields
        and
        new
        pools
        in
        old
        fields
        
        
        as
        the
        result
        of
        successful
        exploratory
        drilling
        and
        associated
        development
        drilling
        
        
        during
        the
        current
        year.
        
        
        
        
      
      The
      definitions
      of
      “discovery
      well”
      implicitly
      or
      directly
      make
      reference
      to
      
      
      the
      capability
      of
      a
      well
      to
      produce,
      without,
      however,
      referring
      to
      any
      economic
      
      
      requirement.
      The
      
        AGI
       
        Glossary
      
      definition
      speaks
      of
      the
      first
      well
      to
      
      
      encounter
      gas
      or
      oil
      in
      a
      hitherto
      unproven
      area
      or
      at
      a
      hitherto
      unproductive
      
      
      depth,
      one
      example
      given
      being
      a
      successful
      wildcat.
      
      The
      
        Dictionary
       
        of
       
        Geological
       
        Terms
      
      defines
      a
      “discovery
      well”
      as
      a
      well
      discovering
      oil
      or
      
      
      gas
      in
      a
      pool
      hitherto
      unknown
      and
      unproductive.
      The
      
        Manual
       
        of
       
        Oil
       
        &
       
        Gas
       
        Terms
      
      defines
      “discovery”
      as
      the
      drilling
      of
      a
      well
      to
      a
      formation
      capable
      of
      
      
      production
      of
      oil
      and/or
      gas.
      
      
      
      
    
      The
      ordinary
      meaning
      given
      to
      the
      words
      “discovery”,
      “discover”,
      “accumulation”
      
      
      and
      “accumulate”
      in
      the
      
        Concise
       
        Oxford
       
        Dictionary,
      
      is:
      
      
      
      
    
          Discovery:
        
        the
        act
        or
        process
        of
        discovering
        or
        being
        discovered.
        
        
        
        
      
          Discover:
        
        find
        out
        or
        become
        aware
        of
        ...
        be
        the
        first
        to
        find.
        
        
        
        
      
          Accumulation:
        
        the
        act
        or
        process
        of
        accumulating
        or
        being
        accumulated.
        
        
        
        
      
          Accumulate:
        
        acquire
        an
        increasing
        number
        or
        quantity
        of.
        
        
        
        
      
      The
      French
      version
      of
      the
      
        Act
      
      speaks
      of
      “découverte
      ...
      d’un
      gisement
      
      
      naturel”.
      
        Le
       
        Petit
       
        Robert
      
      defines
      as
      follows
      “découverte”
      and
      “gisement”:
      
      
      
      
    
          Découverte:
        
        action
        de
        découvrir
        ce
        qui
        était
        ignoré,
        inconnu.
        
          Gisement:
        
        disposition
        de
        couches
        de
        minéraux
        dans
        le
        sous-sol;
        masse
        minérale
        
        
        importante,
        propre
        à
        l’exploitation.
        
      It
      is
      noteworthy
      that
      subparagraph
      66.1(6)(a)(ii)
      which
      is
      applicable
      to
      
      
      expenses
      incurred
      before
      April
      1987
      requires
      that
      in
      order
      for
      expenses
      to
      
      
      qualify
      as
      CEE,
      the
      well
      had
      to
      be
      the
      first
      one
      capable
      of
      production
      in
      
      
      commercial
      quantities.
      For
      expenses
      incurred
      after
      March
      1987,
      subparagraph
      
      
      66.1(6)(a)(ii.
      1)
      requires
      that
      the
      well
      result
      in
      the
      discovery
      of
      a
      natural
      
      
      accumulation
      of
      petroleum
      or
      natural
      gas.
      From
      the
      definitions
      of
      “discovery”
      
      
      and
      “accumulation”
      found
      either
      in
      the
      industry
      or
      in
      the
      
      
      dictionaries,
      it
      seems
      to
      be
      intended
      that
      the
      word
      “discovery”
      be
      substi-
      
      
      tuted
      for
      “the
      first
      well
      capable
      of
      production”,
      and
      the
      expression
      “a
      natural
      
      
      accumulation”
      would
      be
      substituted
      for
      “an
      accumulation
      ...
      not
      previously
      
      
      known
      to
      exist”.
      In
      this
      regard,
      the
      principle
      of
      implied
      exclusion
      
      
      might
      apply.
      
      
      
      
    
      In
      
        Driedger
       
        on
       
        the
       
        Construction
       
        of
       
        Statutes?
      
      this
      principle
      is
      defined
      
      
      as
      follows:
      
      
      
      
    
        An
        implied
        exclusion
        argument
        lies
        whenever
        there
        is
        reason
        to
        believe
        that
        if
        
        
        the
        legislature
        had
        meant
        to
        include
        a
        particular
        thing
        within
        the
        ambit
        of
        its
        
        
        legislation,
        it
        would
        have
        referred
        to
        that
        thing
        expressly.
        Because
        of
        this
        expectation,
        
        
        the
        legislature’s
        failure
        to
        mention
        the
        thing
        becomes
        grounds
        for
        inferring
        
        
        that
        it
        was
        deliberately
        excluded.
        Although
        there
        is
        no
        express
        exclusion,
        
        
        exclusion
        is
        implied.
        The
        force
        of
        the
        implication
        depends
        on
        the
        strength
        and
        
        
        legitimacy
        of
        the
        expectation
        of
        express
        reference.
        The
        better
        the
        reason
        for
        anticipating
        
        
        express
        reference
        to
        a
        thing,
        the
        more
        telling
        the
        silence
        of
        the
        
        
        legislature.
        
        
        
        
      
      On
      this
      reasoning,
      I
      must
      conclude
      that
      the
      legislator
      deliberately
      excluded
      
      
      from
      the
      definition
      of
      CEE
      the
      requirement
      of
      production
      in
      commercial
      
      
      quantities.
      
      In
      my
      view,
      the
      expenses
      in
      issue
      will
      qualify
      as
      CEE
      
      
      if
      the
      appellants
      are
      able
      to
      show
      and
      establish
      on
      a
      balance
      of
      probabilities
      
      
      that
      oil
      or
      gas
      was
      found
      in
      certain
      quantities
      in
      well
      10-24
      and
      that
      this
      
      
      well
      was
      capable
      of
      production.
      
      
      
      
    
        Was
       
        There
       
        a
       
        Discovery
       
        of
       
        a
       
        Natural
       
        Accumulation
       
        of
       
        Petroleum
       
        or
       
        Natural
       
        Gas
       
        with
       
        Respect
       
        to
       
        Well
       
        10-24
      
        Experts’
       
        Evidence
      
      The
      appellants’
      expert
      John
      McGilvary
      is
      Futurity’s
      Vice-President,
      Exploration.
      
      
      He
      graduated
      with
      a
      bachelor’s
      degree,
      having
      majored
      in
      Geol-
      
      
      ogy
      and
      minored
      in
      Mathematics.
      He
      has
      been
      working
      in
      the
      oil
      and
      gas
      
      
      industry
      for
      the
      past
      22
      years
      performing
      duties
      consisting
      in
      determining
      
      
      whether
      wells
      hold
      an
      accumulation
      of
      petroleum
      or
      natural
      gas,
      assessing
      
      
      well
      porosity
      and
      permeability
      and
      determining
      other
      factors
      indicating
      the
      
      
      actual
      existence
      of
      petroleum
      or
      natural
      gas.
      
      
      
      
    
      According
      to
      the
      experts,
      porosity
      refers
      to
      the
      empty
      spaces
      in
      the
      rock
      
      
      in
      which
      oil,
      gas
      or
      water
      has
      collected.
      Permeability
      refers
      to
      the
      ability
      of
      
      
      the
      rock
      to
      allow
      oil,
      gas
      or
      water
      to
      pass
      through
      it.
      Mr.
      McGilvary
      is
      of
      
      
      the
      opinion
      (and
      the
      respondent’s
      expert,
      Mr.
      Davidson,
      does
      not
      agree
      with
      
      
      this
      specific
      point)
      that
      permeability
      would
      not
      necessarily
      be
      required
      in
      
      
      order
      to
      determine
      that
      an
      oil
      or
      gas
      well
      has
      an
      accumulation
      of
      oil
      or
      gas
      
      
      since
      it
      is
      the
      porosity
      that
      actually
      contains
      the
      accumulation
      of
      oil
      and
      
      
      gas.
      Permeability
      would
      simply
      allow
      the
      oil
      and
      gas
      to
      travel
      into
      the
      porosity
      
      
      from
      the
      adjacent
      carbon
      rich
      shales
      where
      it
      was
      formed.
      Permeability
      
      
      is
      also
      the
      controlling
      factor
      in
      the
      rate
      at
      which
      a
      well
      produces.
      
      
      
      
    
      The
      determination
      as
      to
      whether
      an
      accumulation
      of
      petroleum
      or
      natural
      
      
      gas
      has
      been
      discovered
      is
      made
      during
      the
      drilling
      process
      through
      such
      
      
      means
      as
      actual
      core
      samples,
      open
      hole
      well
      logs
      and
      geological
      well
      samples.
      
      
      All
      these
      tests
      measure
      the
      porosity
      and
      permeability
      and
      help
      determining
      
      
      if
      the
      porosity
      is
      filled
      with
      oil,
      gas
      or
      water.
      Open
      hole
      well
      logs
      
      
      also
      record
      the
      resistivity
      of
      the
      zone.
      Since
      the
      porosity
      is
      filled
      either
      with
      
      
      oil
      and
      gas
      or
      salt
      water,
      the
      resistivity
      log
      determines
      the
      presence
      either
      of
      
      
      oil
      and
      gas,
      which
      have
      high
      resistivity,
      or
      of
      salt
      water,
      which
      has
      low
      
      
      resistivity.
      
      
      
      
    
        Analysis
       
        of
       
        well
       
        10-24
      
      Well
      10-24
      had
      two
      developed
      sand
      zones
      referred
      to
      as
      the
      “Upper
      
      
      Zone”
      and
      the
      “Lower
      Zone”.
      
      
      
      
    
        1
       
        )
       
        Core
       
        Data
      
      No
      core
      was
      taken
      from
      the
      Upper
      Zone.
      Crowdis
      Oil
      Consultants
      Ltd.
      
      
      in
      its
      geological
      report,
      which
      is
      the
      well
      site
      geologist’s
      report
      (“Crowdis
      
      
      report”),
      summarized
      its
      review
      of
      the
      core
      by
      stating
      “minor
      evidence
      of
      
      
      live
      hydrocarbons
      was
      evident
      in
      the
      sands
      which
      generally
      displayed
      fair
      
      
      to
      good
      porosity”.
      
      According
      to
      the
      Crowdis
      report,
      fair
      porosity
      ranges
      
      
      from
      6
      to
      12
      per
      cent,
      whereas
      good
      porosity
      ranges
      from
      12
      to
      20
      per
      cent.
      
      
      Mr.
      McGilvary’s
      review
      of
      the
      Crowdis
      report
      reads
      as
      follows:
      
        22.
        My
        review
        of
        the
        Crowdis
        Oil
        Consultants
        Ltd.
        report
        indicates
        that
        both
        the
        
        
        Upper
        and
        Lower
        Zones
        have
        porosity
        that,
        filled
        with
        oil
        and
        gas,
        would
        represent
        
        
        an
        accumulation.
        Both
        zones
        appear
        to
        have
        contained
        oil
        and
        gas
        as
        
        
        indicated
        by
        the
        oil
        staining
        and
        fluorescence
        of
        light
        oil
        under
        ultraviolet
        light.
        
        
        The
        oil
        may
        have
        been
        either
        the
        main
        component
        or
        condensate
        associated
        with
        
        
        gas.
        
        
        
        
      
      According
      to
      Mr.
      McGilvary,
      the
      Geotechnical
      Resources
      Ltd.
      core
      
      
      analysis
      report
      dated
      March
      7,
      1989,
      which
      is
      described
      as
      the
      laboratory
      
      
      core
      analysis
      (“Geotech
      report”),
      shows
      porosity
      for
      the
      Lower
      Zone
      approaching
      
      
      6
      per
      cent
      and
      permeability
      of
      up
      to
      0.84
      mD.
      As
      to
      the
      core
      
      
      summary,
      it
      shows
      an
      average
      porosity
      of
      4.1
      per
      cent
      and
      an
      average
      permeability
      
      
      of
      0.13
      mD.
      The
      analysis
      also
      shows
      a
      trace
      of
      oil
      and
      12.7
      per
      
      
      cent
      to
      72.5
      per
      cent
      water
      saturation
      
      as
      well
      as
      fractures
      in
      some
      samples.
      
      
      In
      the
      view
      of
      the
      appellants’
      expert,
      the
      empty
      space
      (ranging
      from
      
      
      27
      per
      cent
      to
      87
      per
      cent)
      between
      the
      trace
      of
      oil
      and
      the
      water
      was
      probably
      
      
      filled
      up
      with
      gas
      (as
      it
      was
      not
      filled
      with
      water)
      which
      escaped
      from
      
      
      the
      core
      during
      transportation
      to
      the
      laboratory.
      
      
      
      
    
      The
      interpretation
      of
      the
      core
      data
      by
      the
      respondent’s
      expert,
      Mr.
      Davidson,
      
      
      differs
      on
      some
      points.
      He
      mentioned
      first
      of
      all
      that
      the
      Geotech
      
      
      report
      and
      the
      Crowdis
      report
      are
      at
      variance
      with
      one
      another.
      The
      
      
      Crowdis
      report
      mentioned
      minor
      evidence
      of
      live
      oil
      whereas
      the
      Geotech
      
      
      report
      mentioned
      no
      oil
      staining
      or
      fluorescence.
      
      From
      this,
      Mr.
      Davidson
      
      
      drew
      the
      following
      conclusion:
      
      
      
      
    
        From
        this,
        I
        can
        only
        conclude
        that
        the
        term
        “minor”
        should
        actually
        be
        negligible.
        
        
        I
        would
        consider
        Mr.
        McGilvary’s
        conclusion
        in
        paragraph
        22
        of
        his
        statement
        
        
        to
        be
        very
        optimistic.
        The
        presence
        of
        minor
        amounts
        of
        oil
        in
        a
        core
        may
        
        
        represent
        residue
        of
        oil
        that
        passed
        through
        this
        location
        during
        its
        migration
        to
        
        
        other
        areas.
        It
        only
        indicates
        that
        oil
        was
        there
        at
        one
        time,
        not
        now.
        
      Mr.
      Davidson
      explained
      that
      he
      had
      no
      scientific
      evidence
      from
      which
      
      
      to
      conclude
      that
      live
      hydrocarbons
      were
      present
      in
      negligible
      quantities.
      He
      
      
      said
      that
      he
      drew
      this
      conclusion
      from
      comparing
      the
      Crowdis
      and
      the
      Geotech
      
      
      reports.
      He
      admitted
      that
      there
      could
      be
      some
      evaporation
      of
      live
      hydrocarbons
      
      
      while
      being
      transported
      from
      the
      well
      site
      in
      Brazeau
      River
      to
      
      
      Geotech’s
      laboratory
      in
      Calgary,
      which
      is
      an
      eight-hour
      drive.
      
      
      
      
    
      With
      regard
      to
      Mr.
      Davidson’s
      allegation
      of
      migration,
      Mr.
      McGilvary
      
      
      said
      that
      there
      is
      no
      migration
      in
      the
      Cardium
      formation
      and
      that,
      had
      
      
      imigration
      occurred,
      there
      would
      have
      been
      traces
      of
      bitumen
      (dead
      oil).
      
      
      However,
      Mr.
      McGilvary
      conceded
      that
      when
      the
      core
      analysis
      shows
      a
      
      
      trace
      of
      oil,
      it
      means
      less
      than
      one
      per
      cent.
      
      
      
      
    
      In
      analyzing
      the
      core
      data,
      Mr.
      Davidson
      obtained
      porosity
      and
      permeability
      
      
      results
      somewhat
      higher
      than
      Mr.
      McGilvary’s
      results.
      Applying
      a
      
      
      general
      rule
      of
      thumb
      for
      sand
      reservoirs
      which
      requires
      a
      minimum
      of
      6
      
      
      per
      cent
      porosity
      and
      0.3
      mD
      permeability
      in
      order
      for
      a
      zone
      to
      be
      capable
      
      
      of
      production,
      he
      concluded
      that
      the
      “10-24
      core
      indicates
      that
      there
      is
      not
      
      
      likely
      to
      be
      any
      reservoir
      since
      the
      highest
      measured
      core
      porosity
      is
      only
      
      
      5.7
      per
      cent”.
      
      During
      his
      examination-in-chief,
      Mr.
      Davidson
      admitted
      that
      for
      gas
      the
      
      
      permeability
      standard
      could
      drop
      from
      0.3
      mD
      to
      0.1
      mD
      because
      gas
      flows
      
      
      more
      readily
      than
      oil.
      
        2)
       
        Open
       
        hole
       
        well
       
        logs
       
        data
      
      Mr.
      McGilvary
      put
      forward
      the
      following
      summary
      of
      the
      open
      well
      
      
      
      
    
The contents of this table are not yet imported to Tax Interpretations.
      His
      conclusions
      with
      regard
      to
      these
      logs
      read
      as
      follows:
      
        My
        review
        of
        the
        open
        hole
        well
        logs
        indicates
        that
        both
        the
        Upper
        Zone
        and
        the
        
        
        Lower
        Zone
        have
        porosity
        filled
        with
        oil
        and/or
        gas
        that
        represents
        an
        accumulation.
        
        
        The
        Upper
        Zone
        has
        better
        porosity
        than
        the
        Lower
        Zone
        with
        values
        in
        the
        
        
        range
        of
        commercial
        fields
        in
        the
        area
        (12%).
        The
        ERCB
        list
        of
        Cardium
        pools
        
        
        in
        the
        area
        with
        economic
        producing
        reserves
        range
        from
        8%
        to
        17%
        porosity
        
        
        with
        a
        13%
        to
        35%
        water
        saturation.
        The
        neutron
        log
        on
        the
        Upper
        Zone
        gives
        a
        
        
        strong
        indication
        that
        the
        porosity
        is
        filled
        with
        gas
        rather
        than
        oil.
        The
        resistivity
        
        
        log
        on
        both
        zones
        is
        reading
        high
        values
        proving
        the
        porosity
        is
        filled
        with
        
        
        oil
        and/or
        gas
        and
        not
        salt
        water.
        The
        self
        potential
        log
        and
        the
        caliper
        log
        indicate
        
        
        that
        the
        zone
        has
        permeability
        as
        well
        as
        porosity.
        The
        gamma
        ray
        log
        indicates
        
        
        that
        the
        Upper
        Zone
        has
        less
        shale
        material
        mixed
        with
        the
        sand
        than
        the
        
        
        Lower
        Zone.
        
        
        
        
      
      Mr.
      Davidson
      agreed
      with
      the
      data
      provided
      in
      Mr.
      McGilvary’s
      summary,
      
      
      except
      for
      the
      density
      porosity
      value
      of
      12
      per
      cent
      for
      the
      Upper
      
      
      Zone.
      According
      to
      Mr.
      Davidson,
      the
      density
      porosity
      of
      the
      Upper
      Zone
      is
      
      
      3
      to
      4
      per
      cent
      rather
      than
      12
      per
      cent
      and
      the
      average
      porosity
      is
      9
      per
      cent
      
      
      (when
      a
      cross
      plot
      analysis
      of
      the
      density
      and
      neutron
      porosities
      is
      done).
      
      
      He
      explained
      this
      difference
      in
      that
      the
      logs
      readings
      on
      the
      density
      show
      a
      
      
      washout
      
      and
      that
      would
      give
      an
      abnormally
      high
      porosity
      reading.
      Mr.
      
      
      Davidson
      then
      reduced
      the
      porosity
      to
      5
      per
      cent
      as
      a
      result
      of
      a
      calibration
      
      
      between
      the
      core
      and
      the
      log
      results.
      However,
      he
      admitted
      that,
      should
      his
      
      
      washout
      theory
      prove
      to
      be
      wrong,
      he
      would
      agree
      on
      a
      porosity
      value
      of
      7
      
      
      per
      cent
      for
      the
      Upper
      Zone.
      
      
      
      
    
      Mr.
      McGilvary
      is
      of
      the
      opinion
      that
      there
      was
      no
      washout
      or
      if
      there
      
      
      was,
      it
      was
      of
      no
      consequence.
      According
      to
      him,
      the
      log
      tool
      is
      able
      to
      
      
      make
      a
      correction
      for
      a
      washout
      and
      in
      the
      present
      case,
      the
      12
      per
      cent
      
      
      value
      for
      porosity
      is
      already
      corrected
      for
      any
      washout.
      Furthermore,
      the
      
      
      operators
      of
      the
      well
      log
      tools
      conducted
      a
      second
      test
      to
      check
      the
      
      
      repeatability
      of
      the
      two
      logs
      and
      the
      results
      were
      virtually
      identical.
      The
      
      
      corresponding
      reading
      on
      the
      neutron
      log
      also
      supported
      the
      two
      readings,
      
      
      which
      led
      Mr.
      McGilvary
      conclude
      that
      the
      density
      log
      was
      quite
      accurate.
      
      
      Mr.
      Davidson
      admitted
      that
      he
      had
      not
      previously
      seen
      the
      repeatability
      log.
      
      
      When
      it
      was
      shown
      to
      him,
      he
      admitted
      that
      there
      was
      good
      repeatability.
      
        3)
       
        Water
       
        saturation
      
      Having
      determined
      the
      degree
      of
      porosity
      and
      permeability,
      Mr.
      Davidson
      
      
      mentioned
      that
      the
      next
      step
      was
      to
      determine
      the
      water
      saturation
      of
      
      
      the
      potential
      zone.
      
      Using
      the
      average
      formation
      water
      resistivity
      of
      this
      
      
      zone
      in
      this
      area
      (0.6
      ohm/m
      @
      25°C),
      as
      corrected
      by
      taking
      into
      account
      
      
      the
      formation
      temperature
      according
      to
      the
      bottom-hole
      temperature
      (82°C)
      
      
      indicated
      in
      the
      logs,
      thus
      giving
      a
      corrected
      water
      resistivity
      of
      0.25
      
      
      (Schlumberger
      Chart),
      he
      computed
      water
      saturations
      of
      100
      per
      cent
      for
      
      
      the
      Upper
      Zone
      and
      95
      per
      cent
      for
      the
      Lower
      Zone
      which
      means
      that
      oil
      or
      
      
      gas
      saturation
      is
      very
      low.
      The
      minimum
      water
      saturation
      
      would
      be
      55
      
      
      per
      cent.
      According
      to
      Mr.
      Davidson,
      a
      viable
      well
      will
      have
      a
      maximum
      of
      
      
      60
      per
      cent
      water
      saturation.
      In
      his
      view,
      even
      under
      the
      most
      optimistic
      of
      
      
      scenarios,
      well
      10-24
      barely
      meets
      accepted
      industry
      criteria.
      
      
      
      
    
      Mr.
      McGilvary
      indicated
      in
      his
      report
      that
      water
      saturation
      could
      vary
      
      
      between
      12.7
      per
      cent
      and
      72.5
      per
      cent.
      According
      to
      Mr.
      Davidson,
      Mr.
      
      
      McGilvary
      would
      have
      used
      water
      saturation
      values
      taken
      directly
      from
      the
      
      
      core
      analysis.
      Mr.
      Davidson
      believes
      this
      to
      be
      an
      error.
      He
      said
      in
      his
      report
      
      
      that
      water
      saturations
      from
      core
      analysis
      cannot
      be
      taken
      as
      indicative
      
      
      of
      the
      zone’s
      water
      saturation
      since
      the
      core
      was
      cut
      with
      a
      water-based
      
      
      mud
      that
      contaminated
      the
      original
      formation
      fluids.
      According
      to
      Mr.
      Davidson,
      
      
      only
      when
      the
      core
      is
      cut
      using
      formation
      oil
      can
      uncontaminated
      
      
      cores
      be
      obtained.
      In
      the
      case
      of
      well
      10-24,
      the
      drilling
      report
      indicates
      that
      
      
      a
      gel
      chem
      mud
      (which
      is
      water
      based)
      was
      used
      to
      drill
      the
      well.
      This
      is
      
      
      why
      Mr.
      Davidson
      concludes
      that
      core
      water
      saturations
      as
      measured
      from
      
      
      well
      10-24
      core
      are
      unreliable
      as
      indicators
      of
      true
      water
      saturations.
      
      In
      cross-examination,
      Mr.
      McGilvary
      admitted
      that
      the
      mud
      used
      “when
      
      
      coring”
      could
      influence
      the
      determination
      of
      water
      saturation
      but
      not
      in
      
      
      such
      a
      manner
      as
      to
      affect
      his
      conclusion.
      He
      said
      that
      the
      core
      generally
      
      
      gives
      a
      ballpark
      idea
      of
      the
      water
      saturation
      level.
      In
      his
      opinion,
      if
      water
      
      
      saturation
      had
      been
      significant,
      it
      would
      have
      shown
      up
      in
      the
      core
      analysis.
      
      
      From
      the
      core
      analysis
      report
      
      he
      concluded
      that
      the
      water
      saturation
      readings
      
      
      were
      fairly
      low
      and
      in
      line
      with
      the
      irreducible
      water
      saturation
      in
      the
      
      
      Cardium
      formation
      (which
      he
      earlier
      said
      varied
      between
      20
      and
      30
      per
      
      
      cent).
      He
      further
      mentioned
      that
      the
      fact
      that
      there
      is
      a
      trace
      of
      oil
      is
      also
      
      
      good.
      He
      said:
      “In
      a
      case
      where
      you
      get
      a
      trace
      of
      oil
      left
      behind
      and,
      you
      
      
      know,
      this
      amount
      of
      water,
      it
      probably
      means
      it’s
      filled
      up
      with
      gas”.
      
      He
      
      
      also
      explained
      that
      the
      core
      analysis
      report
      did
      not
      contain
      any
      indication
      of
      
      
      gas
      as,
      by
      the
      time
      the
      core
      gets
      to
      the
      laboratory,
      the
      gas
      in
      the
      core
      has
      
      
      evaporated.
      
      
      
      
    
      Regarding
      Mr.
      Davidson’s
      water
      saturation
      calculations,
      Mr.
      McGilvary
      
      
      first
      mentioned
      that
      the
      0.6
      ohm/m
      water
      resistivity
      data
      used
      by
      Mr.
      Davidson
      
      
      
      were
      erroneous.
      Instead
      of
      using
      the
      value
      for
      the
      closest
      well,
      Mr.
      
      
      Davidson
      took
      the
      value
      for
      a
      well
      situated
      25
      miles
      closer
      to
      the
      mountains
      
      
      which
      according
      to
      Mr.
      McGilvary
      flaws
      the
      results
      because:
      
      
      
      
    
        ...if
        any
        water
        is
        flushing
        through
        that
        Cardium
        formation,
        which
        it
        really
        isn’t
        
        
        because
        it’s
        a
        stratigraphic
        trap,
        but
        if
        it
        were
        it
        would
        be
        coming
        from
        the
        
        
        mountains
        and,
        like
        an
        artesian
        well,
        it
        would
        be
        coming
        down
        and
        flushing
        up
        
        
        in
        the
        zone.
        So
        naturally
        if
        you
        go
        towards
        the
        source,
        you
        will
        get
        a
        fresher
        or
        a
        
        
        higher
        reading
        
        ...
        
        
        
        
      
      Using
      a
      0.2
      ohm/m
      water
      resistivity
      value
      (this
      value
      is
      taken
      from
      a
      
      
      well
      located
      over
      30
      miles
      to
      the
      north
      of
      well
      10-24
      and
      in
      the
      opposite
      
      
      direction
      to
      the
      mountains)
      instead
      of
      the
      0.6
      value,
      Mr.
      McGilvary
      computed
      
      
      a
      42
      per
      cent
      water
      saturation.
      Mr.
      Davidson
      conceded
      that
      the
      0.6
      
      
      value
      was
      taken
      from
      the
      well
      that
      would
      give
      the
      worst
      result
      but
      stated
      
      
      that
      this
      was
      supported
      by
      the
      0.5
      value
      for
      a
      well
      located
      north
      of
      well
      10-
      
      
      24.
      He
      did
      not
      know,
      however,
      which
      well
      that
      was.
      
      
      
      
    
      Mr.
      McGilvary
      noted
      a
      few
      other
      flaws
      in
      Mr.
      Davidson’s
      calculations
      
      
      of
      water
      saturation
      (such
      as
      use
      of
      the
      wrong
      bottom
      hole
      temperature
      and
      
      
      failure
      to
      take
      into
      account
      either
      the
      thin
      bed
      effect
      
      or
      the
      shaly
      sand
      
      
      correction
      in
      determining
      porosity).
      While
      he
      seemed
      to
      agree
      with
      Mr.
      
      
      McGilvary
      on
      this,
      Mr.
      Davidson
      was
      of
      the
      opinion
      that
      these
      flaws
      were
      
      
      favorable
      to
      the
      appellants.
      
      
      
      
    
      In
      his
      report,
      Mr.
      Davidson
      made
      some
      comparisons
      between
      well
      10-24
      
      
      and
      well
      7-6-42-10
      WS
      (“well
      7-6”)
      which
      is
      the
      closest
      Cardium
      pool
      to
      
      
      the
      subject
      well.
      Well
      7-6
      has
      a
      pool
      recognized
      by
      the
      EUB
      and
      NEB,
      
      
      even
      though
      it
      has
      yet
      to
      produce.
      From
      this
      comparison,
      Mr.
      Davidson
      
      
      made
      the
      following
      findings:
      
      
      
      
    
        Logs
        from
        7-6
        indicate
        that:
        
        
        
        
      
        1)
        the
        Lower
        Zone
        has
        a
        higher
        pure
        sand
        content
        and
        lower
        shale
        component
        
        
        than
        that
        of
        10-24,
        as
        reflected
        by
        the
        gamma
        log
        data
        from
        both
        
        
        wells;
        
        
        
        
      
        2)
        7-6
        is
        more
        resistive
        than
        10-24
        by
        2.5
        times
        although
        both
        have
        
        
        similar
        log
        porosities;
        and
        
        
        
        
      
        3)
        Core
        data
        indicates
        a
        permeability
        in
        7-6
        about
        10
        times
        greater
        than
        
        
        10-24
        and
        core
        porosities
        2.5
        times
        the
        results
        in
        10-24.
        
      Mr.
      Davidson
      also
      added
      that
      the
      results
      of
      a
      comparison
      with
      discovery
      
      
      wells
      for
      all
      Cardium
      oil
      and
      gas
      pools
      within
      18
      miles
      of
      well
      10-24
      supported
      
      
      not
      assigning
      any
      pay
      thickness
      
      to
      well
      10-24.
      However,
      Mr.
      Davidson
      
      
      admitted
      that,
      if
      his
      washout
      theory
      proved
      to
      be
      wrong,
      well
      10-24
      
      
      would
      be
      comparable
      to
      well
      7-6
      and
      would
      even
      have
      a
      better
      log
      porosity
      
      
      than
      well
      7-6.
      
      During
      his
      examination
      in
      chief,
      Mr.
      McGilvary
      did
      some
      water
      saturation
      
      
      calculations
      for
      well
      7-6,
      based
      on
      Mr.
      Davidson’s
      methodology,
      using
      
      
      for
      example,
      the
      0.6
      ohm/m
      water
      resistivity
      value;
      he
      did
      not
      make
      any
      
      
      shaly
      sand
      correction
      or
      thin
      bed
      correction.
      
      He
      obtained
      a
      water
      saturation
      
      
      of
      80
      per
      cent,
      which
      is
      above
      Mr.
      Davidson’s
      standard
      of
      60
      per
      cent
      
      
      water
      saturation
      for
      a
      productive
      zone.
      Mr.
      Davidson
      agreed
      with
      these
      calculations.
      
      
      
      In
      light
      of
      those
      same
      calculations,
      Mr.
      McGilvary
      came
      to
      the
      
      
      following
      conclusion:
      
      
      
      
    
        If
        this
        [well
        7-6]
        is
        a
        discovery
        well
        that’s
        capable
        of
        producing
        gas,
        he[Mr.
        
        
        Davidson]’s
        saying
        it’s
        80
        per
        cent
        water
        and
        I
        would
        have
        to
        conclude
        that
        this
        
        
        method
        doesn’t
        work.
        
        
        
        
      
      4)
      Well
      completion
      and
      production
      test
      results
      
      
      
      
    
      After
      an
      evaluation
      of
      the
      core,
      the
      geological
      well
      samples
      and
      the
      
      
      open
      well
      logs,
      Benchmark
      and
      its
      partners
      were
      satisfied
      that
      they
      had
      discovered
      
      
      an
      accumulation
      of
      oil
      or
      gas:
      “As
      a
      result,
      casing
      was
      run
      into
      the
      
      
      hole
      and
      the
      well
      was
      prepared
      for
      production
      testing
      to
      determine
      the
      profitability
      
      
      of
      the
      well”.
      
      Mr.
      McGilvary
      testified
      that
      if
      there
      had
      been
      any
      
      
      doubt
      as
      to
      the
      existence
      of
      an
      accumulation
      of
      oil
      or
      gas,
      they
      would
      have
      
      
      run
      another
      test
      (called
      a
      drill
      stem
      test),
      which
      was
      not
      done
      as
      they
      felt
      it
      
      
      was
      not
      necessary.
      He
      further
      added
      that
      he
      “would
      not
      have
      run
      the
      casing
      
      
      if
      they
      did
      not
      expect
      to
      produce
      the
      well”.
      
      
      
      
    
      In
      his
      report,
      Mr.
      McGilvary
      summarized
      the
      completion
      and
      production
      
      
      testing
      of
      well
      10-24.
      He
      interpreted
      the
      test
      reports
      as
      follows:
      
      
      
      
    
        28.
        My
        review
        of
        the
        completion
        and
        production
        test
        results
        confirm
        the
        presence
        
        
        of
        an
        oil
        and
        gas
        accumulation
        since
        naturally
        occurring
        gas
        was
        recovered
        
        
        consistently
        from
        the
        Upper
        Zone
        and
        the
        Lower
        Zone.
        It
        is
        not
        possible
        to
        tell
        
        
        whether
        the
        oil
        recovered
        was
        naturally
        occurring
        because
        oil
        was
        used
        to
        control
        
        
        the
        well
        during
        the
        completion
        process.
        The
        gas
        may
        be
        the
        primary
        component
        
        
        of
        the
        accumulation
        or
        it
        may
        be
        associated
        with
        oil.
        No
        water
        was
        
        
        recovered.
        
        
        
        
      
      While
      being
      examined
      in
      chief,
      Mr.
      McGilvary
      went
      over
      some
      of
      the
      
      
      most
      significant
      facts
      contained
      in
      the
      summary
      of
      the
      completion
      and
      pro-
      
      
      duction
      testing
      of
      well
      10-24.
      
      He
      mentioned
      the
      fact
      that
      during
      the
      perforation
      
      
      of
      the
      Lower
      Zone,
      the
      well
      started
      flowing
      and
      then
      they
      started
      to
      
      
      see
      traces
      of
      gas
      in
      the
      returns.
      As
      the
      gas
      in
      the
      returns
      was
      not
      flowing
      at
      
      
      the
      rate
      they
      were
      looking
      for,
      it
      was
      decided
      to
      fracture
      the
      well
      to
      try
      to
      
      
      improve
      the
      productivity
      rate
      of
      the
      well.
      These
      new
      tests
      showed
      that
      the
      
      
      rate
      of
      gas
      flow
      in
      the
      returns
      was
      increasing.
      Mr.
      McGilvary
      said:
      “At
      this
      
      
      point
      we
      knew
      without
      a
      doubt
      we
      had
      —
      that
      the
      porosity
      and
      permeability
      
      
      were
      filled
      with
      hydrocarbons”.
      
      However,
      the
      rate
      of
      gas
      flow
      remained
      
      
      unstable.
      The
      report
      then
      indicates
      “Gas
      showing
      in
      returns
      
      
      TSTM”,
      
      which
      means
      too
      small
      to
      measure.
      According
      to
      Mr.
      
      
      McGilvary,
      this
      does
      not
      mean
      that
      they
      did
      not
      get
      much
      gas
      but
      rather
      that
      
      
      the
      gas
      they
      were
      getting
      was
      not
      measurable
      with
      the
      equipment
      available
      
      
      on
      the
      site.
      He
      expressed
      himself
      this
      way:
      
      
      
      
    
        Now
        there
        could
        still
        be
        quite
        a
        substantial
        flow
        rate
        and
        still
        be
        too
        small
        to
        
        
        measure.
        
      As
      for
      the
      Upper
      Zone,
      they
      perforated
      it,
      and
      immediately
      had
      gas
      
      
      showing
      in
      the
      returns.
      Again,
      the
      gas
      returns
      were
      too
      small
      to
      measure.
      It
      
      
      was
      decided
      to
      fracture
      the
      Upper
      Zone
      as
      well.
      Traces
      of
      gas
      came
      out
      and
      
      
      few
      days
      later
      the
      well
      blew
      gas.
      The
      report
      indicated
      “Well
      gassing
      after
      
      
      swabs”,
      meaning
      that
      every
      time
      they
      took
      a
      little
      bit
      of
      pressure
      off
      it,
      a
      
      
      blast
      of
      gas
      came
      out.
      
      In
      the
      end,
      they
      had
      recovered
      most
      of
      the
      fluid
      
      
      they
      had
      put
      into
      the
      zone
      (fluid
      is
      injected
      into
      the
      well
      during
      the
      fracturing
      
      
      operations
      to
      equilibrate
      the
      pressure
      in
      the
      well)
      which,
      in
      Mr.
      
      
      McGilvary’s
      opinion,
      is
      indicative
      of
      a
      producing
      well.
      
      Mr.
      McGilvary
      also
      mentioned
      the
      fact
      that
      no
      water
      was
      recovered
      out
      
      
      of
      either
      the
      Lower
      or
      the
      Upper
      Zone,
      which
      is
      normal
      in
      the
      Cardium
      
      
      Zone
      and
      leads
      him
      to
      conclude
      that
      any
      water
      within
      the
      reservoir
      would
      
      
      be
      irreducible
      water
      saturation
      (around
      20
      to
      30
      per
      cent)
      
      and
      that
      the
      
      
      well
      was
      filled
      with
      oil
      and
      gas.
      In
      cross-examination,
      he
      admitted
      that
      the
      
      
      simple
      fact
      of
      drilling
      a
      well
      and
      getting
      no
      water
      out
      of
      it
      is
      not
      conclusive
      
      
      as
      to
      the
      absence
      of
      water
      in
      the
      well;
      additional
      information
      is
      needed,
      
      
      such
      as
      with
      regard
      to
      porosity
      and
      permeability.
      However,
      for
      well
      10-24,
      
      
      Mr.
      McGilvary
      provided
      the
      following
      answer:
      
      
      
      
    
        We’re
        talking
        about
        the
        specific
        case
        of
        the
        10-24
        well
        where
        I
        know
        the
        geology
        
        
        and
        I
        know
        what’s
        on
        the
        logs
        and
        I
        know
        what’s
        on
        the
        core
        and
        I
        know
        
        
        what
        they
        got
        out
        of
        the
        tests
        and
        absolutely
        not,
        there
        is
        no
        way
        that
        you’re
        
        
        going
        to
        get
        water
        out
        of
        that
        reservoir.
        
      On
      this
      question
      concerning
      the
      relevance
      of
      not
      having
      recovered
      any
      
      
      water,
      Mr.
      Davidson
      provided
      the
      following
      answers
      to
      counsel
      for
      the
      
      
      respondent:
      
      
      
      
    
        A.
        If
        they
        had
        got
        oil
        or
        gas
        to
        flow
        and
        no
        water,
        that
        would
        be
        good
        because
        
        
        obviously
        it
        can
        produce
        relatively
        clean
        hydrocarbons.
        As
        I
        said
        a
        minute
        ago,
        
        
        the
        fact
        that
        no
        water
        flowed
        gives
        further
        support
        that
        you
        are
        dealing
        with
        a
        
        
        low
        porosity,
        low
        permeability
        sand.
        There’s
        just
        not
        enough
        ability
        for
        the
        rock
        
        
        to
        move
        any
        liquids.
        
        
        
        
      
        Q.
        In
        your
        opinion
        then,
        what
        does
        it
        say
        about
        the
        quantity
        of
        oil
        and
        gas?
        
        
        
        
      
        A.
        It
        would
        be
        rather
        limited.
        
        
        
        
      
        Q.
        Why
        is
        that?
        
        
        
        
      
        A.
        Because
        you’ve
        got
        the
        high
        water
        saturation
        in
        the
        pore
        space
        so
        that
        leaves
        
        
        very
        little
        room
        for
        any
        oil
        or
        gas
        movement;
        certainly
        none
        that
        could
        be
        
        
        produced.
        
        
        
        
      
        Q.
        Sir,
        the
        fact
        that
        no
        water
        comes
        out
        of
        the
        well,
        is
        that
        an
        indication
        that
        
        
        water
        saturation
        is
        low?
        
        
        
        
      
        A.
        It
        could
        be,
        but
        not
        necessarily
        so.
        
      With
      regard
      to
      the
      completion
      and
      production
      testing
      of
      well
      10-24,
      Mr.
      
      
      Davidson
      made
      some
      comments
      in
      his
      report
      although
      he
      assessed
      his
      experience
      
      
      in
      reviewing
      completion
      reports
      as
      being
      “a
      little
      limited”.
      
      Regarding
      
      
      Mr.
      McGilvary’s
      remarks
      on
      the
      fluid
      sitting
      in
      the
      well
      (“unable
      to
      
      
      locate
      fluid”,
      as
      it
      is
      put
      in
      the
      completion
      report),
      which
      he
      explained
      by
      
      
      saying
      that
      the
      fluid
      could
      not
      flow
      if
      the
      pressure
      was
      not
      reduced,
      Mr.
      
      
      Davidson
      commented
      that
      by
      the
      10th
      day,
      the
      hydrostatic
      pressure
      on
      the
      
      
      formation
      was
      almost
      all
      reduced.
      From
      that
      he
      concluded
      that
      “if
      there
      was
      
      
      any
      liquid
      that
      could
      flow
      in
      the
      well
      it
      should
      have
      flowed
      or
      if
      there
      was
      
      
      any
      gas
      in
      the
      well
      that
      could
      flow
      at
      a
      good
      rate,
      it
      should
      be
      able
      to
      come
      
      
      out
      of
      the
      formation
      now”.
      
      According
      to
      Mr.
      Davidson,
      the
      very
      low
      fluid
      
      
      level
      indicates
      that
      the
      Lower
      Zone
      is
      unable
      to
      produce
      any
      new
      fluid
      in
      
      
      the
      well.
      Mr.
      Davidson
      concluded
      as
      follows:
      
      
      
      
    
        Now,
        my
        interpretation
        or
        my
        reading
        of
        those
        results
        indicates
        that
        they
        got
        no
        
        
        fluid
        coming
        from
        the
        formation
        into
        the
        wellbore
        in
        spite
        of
        the
        fact
        that
        they
        
        
        took
        all
        the
        hydrostatic
        pressure
        off
        the
        formation
        at
        which
        point,
        if
        it
        was
        going
        
        
        to
        flow,
        it
        would
        have
        flowed
        or
        should
        have
        flowed.
        So
        based
        on
        those
        production
        
        
        tests,
        it
        was
        my
        conclusion
        that
        this
        was
        not
        a
        very
        good
        well
        in
        either
        zone
        
        
        and
        at
        that
        point
        I
        would
        agree
        with
        the
        ERCB
        that
        there
        shouldn’t
        have
        been
        
        
        any
        reserves
        assigned
        to
        the
        well.
        
      Finally,
      Mr.
      Davidson
      pointed
      out
      that
      these
      production
      tests
      agree
      with
      
      
      his
      interpretation
      of
      the
      log
      and
      core
      data.
      In
      his
      opinion,
      there
      was
      not
      a
      
      
      discovery
      of
      oil
      or
      gas.
      At
      best
      it
      could
      be
      said
      that
      well
      10-24
      gave
      a
      show
      
      
      of
      petroleum
      which
      is
      not
      producible.
      He
      defined
      a
      “show”
      as
      this:
      
      
      
      
    
        A
        show
        is
        that
        you’ve
        got
        some
        signs
        there’s
        petroleum
        or
        natural
        gas
        in
        the
        
        
        formation,
        but
        those
        indications
        were
        too
        small
        or
        could
        not
        be--the
        presence
        of
        
        
        producible
        hydrocarbons
        could
        not
        be
        proved
        by
        the
        production
        test.
        So,
        it’s
        just
        
        
        an
        indication
        and
        it’s
        called
        a
        show
        in
        industry
        terms,
        that
        there
        are
        hydrocarbons
        
        
        there
        at
        some
        time
        or
        there
        may
        have
        been
        hydrocarbons
        there
        at
        some
        
        
        time
        but
        there’s
        no
        producible
        hydrocarbons
        there
        now.
        
      He
      then
      mentioned
      that
      traces
      of
      gas
      could
      flow
      out
      even
      where
      there
      is
      
      
      low
      porosity
      and
      low
      permeability
      sand
      and
      high
      water
      saturation
      as
      gas
      is
      
      
      the
      first
      thing
      to
      flow.
      Water
      should
      be
      next
      and
      oil
      should
      be
      the
      last
      thing
      
      
      to
      flow
      out.
      
      
      
      
    
      In
      cross-examination,
      Mr.
      Davidson
      admitted
      that
      the
      completion
      reports
      
      
      had
      to
      be
      done
      in
      a
      very
      short
      period
      of
      time
      due
      to
      the
      bad
      condition
      
      
      of
      the
      roads.
      However,
      this
      fact
      did
      not
      change
      his
      opinion
      that
      for
      there
      to
      
      
      be
      a
      viable
      gas
      well,
      gas
      should
      have
      flowed
      (and
      not
      just
      traces
      found)
      by
      
      
      the
      time
      the
      fluid
      was
      all
      taken
      out
      of
      the
      hole,
      which
      was
      not
      the
      case.
      
      
      
      
    
      5)
      Conclusions
      of
      the
      experts.
      
      
      
      
    
      Mr.
      McGilvary
      concluded
      that
      there
      existed
      a
      natural
      accumulation
      of
      
      
      petroleum
      or
      natural
      gas
      in
      well
      10-24.
      According
      to
      him,
      the
      porosity
      and
      
      
      other
      measurable
      characteristics
      are
      comparable
      to
      other
      ERCB
      “established
      
      
      reserves”
      which
      have
      been
      economically
      viable.
      
      While
      he
      acknowledged
      
      
      that
      the
      Lower
      Zone
      would
      be
      considered
      economically
      marginal
      
      
      because
      of
      its
      low
      porosity,
      he
      is
      of
      the
      view
      that
      the
      Upper
      Zone
      fell
      
      
      into
      the
      same
      range
      as
      producing
      wells
      in
      the
      area
      and
      should
      be
      able
      to
      
      
      produce
      oil
      and
      gas.
      
      He
      believed
      that
      in
      defining
      “discovery”,
      quantity
      
      
      would
      have
      to
      come
      into
      play
      (“you
      need
      enough
      oil
      and
      gas
      from
      the
      discovery
      
      
      to
      know
      that
      you’ve
      got
      it”
      ),
      
      but
      he
      was
      also
      of
      the
      opinion
      that
      
      
      there
      is
      no
      need
      for
      a
      positive
      finding
      that
      the
      discovery
      would
      yield
      income.
      
      
      He
      considered
      an
      accumulation
      to
      be
      “a
      discovery
      with
      the
      possibilities
      
      
      of
      some
      economic
      viability
      to
      it”.
      
      This
      does
      not
      mean
      however
      that
      
      
      we
      should
      always
      expect
      a
      well
      to
      be
      profitable
      since
      many
      wells
      were
      considered
      
      
      as
      not
      being
      economically
      viable
      despite
      the
      recognition
      of
      the
      existence
      
      
      of
      an
      accumulation.
      His
      definition
      of
      “a
      discovery
      of
      a
      natural
      accumulation”
      
      
      is
      basically
      oil
      and
      gas,
      heretofore
      not
      identified,
      filling
      a
      
      
      porosity
      in
      the
      ground.
      
      
      
      
    
      According
      to
      Mr.
      Davidson,
      
      when
      the
      industry
      refers
      to
      a
      “discovery”,
      
      
      it
      is
      referring
      to
      the
      finding
      of
      a
      significant
      amount
      of
      petroleum,
      
      
      clearly
      enough
      to
      flow
      to
      the
      surface
      under
      normal
      conditions
      and
      at
      a
      rate
      
      
      that
      may
      be
      economic.
      
      The
      finding
      of
      small
      amounts
      of
      petroleum
      would
      be
      considered
      to
      be
      a
      
      
      “show”,
      not
      a
      discovery.
      “Show”
      is
      defined
      as
      follows
      in
      the
      technical
      
      
      literature:
      
      
      
      
    
          AGI
         
          Glossary
        
          show:
        
        A
        trace
        of
        oil
        or
        gas
        detected
        in
        a
        core,
        cuttings
        or
        circulated
        drilling
        
        
        fluid,
        or
        interpreted
        from
        the
        electrical
        or
        geophysical
        logs
        run
        in
        a
        well.
        
        
        
        
      
          Dictionary
         
          of
         
          Geological
         
          Terms:
        
          Show:
        
        (of
        oil
        or
        gas)
        A
        noncommercial
        quantity
        of
        oil
        or
        gas,
        encountered
        in
        
        
        drilling.
        
        
        
        
      
      Mr.
      Davidson
      then
      concludes
      as
      follows:
      
        I
        would
        agree
        with
        the
        EUB
        that
        no
        reserves
        should
        be
        assigned
        to
        this
        well
        for
        
        
        either
        the
        Upper
        or
        Lower
        zones
        within
        the
        Cardium
        formation.
        The
        EUB
        definition
        
        
        of
        proven
        or
        established
        reserves
        allows
        for
        assignment
        of
        reserves
        to
        
        
        wells
        that
        are
        currently
        uneconomic
        provided
        that
        those
        reserves
        are
        proven
        by
        
        
        drilling,
        testing
        or
        production.
        According
        to
        this
        definition
        and
        all
        others
        currently
        
        
        accepted,
        the
        10-24
        well
        has
        not
        proven
        the
        presence
        of
        reserves.
        
        
        
        
      
      Mr.
      Davidson
      concluded
      in
      his
      report
      that
      the
      geological
      data
      indicates
      
      
      that
      the
      subject
      well
      has
      no
      accumulation
      of
      oil
      or
      gas
      and
      hence
      no
      producible
      
      
      reserves.
      He
      is
      of
      the
      view
      that
      the
      porosity,
      permeability
      and
      hydrocarbon
      
      
      saturation
      are
      all
      below
      accepted
      norms
      for
      Cardium
      pools
      in
      the
      
      
      area.
      Some
      evidence
      was
      also
      presented
      by
      Mr.
      Davidson
      on
      the
      EUB
      review
      
      
      process
      for
      assigning
      proven
      reserves.
      Counsel
      for
      the
      respondent
      argues
      
      
      that
      this
      was
      an
      independent
      review,
      which
      determined
      that
      there
      was
      
      
      no
      volume
      of
      oil
      or
      gas
      in
      the
      well.
      Counsel
      for
      the
      appellants
      requests
      this
      
      
      Court
      to
      disallow
      such
      evidence
      on
      the
      basis
      that
      it
      was
      not
      set
      out
      in
      Mr.
      
      
      Davidson’s
      affidavit
      of
      evidence
      as
      required
      by
      paragraph
      145(2)(b)
      of
      the
      
      
      
        Tax
       
        Court
       
        of
       
        Canada
       
        Rules
       
        (General
       
        Procedure).
      
      In
      view
      of
      the
      conclusion
      
      
      I
      have
      reached
      on
      the
      meaning
      to
      be
      given
      to
      “the
      discovery
      of
      a
      natural
      
      
      accumulation
      of
      petroleum
      or
      natural
      gas”,
      which
      is
      not
      the
      definition
      of
      
      
      established
      reserves
      given
      by
      the
      EUB,
      I
      will
      not
      deal
      with
      this
      objection
      as
      
      
      I
      do
      not
      find
      that
      the
      evidence
      in
      question
      is
      in
      any
      manner
      relevant
      to
      the
      
      
      settling
      of
      the
      issue
      in
      the
      present
      case.
      
      
      
      
    
      The
      appellants
      must
      show
      that
      oil
      or
      gas
      was
      found
      in
      certain
      quantities
      
      
      in
      well
      10-24
      and
      that
      this
      well
      was
      capable
      of
      production.
      As
      I
      understand
      
      
      the
      experts’
      evidence,
      this
      can
      be
      established
      by
      geological
      analysis
      of
      the
      
      
      formation.
      From
      what
      I
      heard,
      I
      infer
      that
      the
      various
      tests
      performed
      to
      
      
      determine
      the
      porosity,
      permeability
      and
      water
      saturation
      as
      well
      as
      the
      
      
      completion
      and
      production
      tests
      would
      help
      us
      in
      establishing
      whether
      the
      
      
      well
      holds
      a
      sufficient
      quantity
      of
      oil
      or
      gas
      to
      demonstrate
      a
      capability
      to
      
      
      produce.
      The
      analyses
      by
      the
      experts
      of
      all
      these
      tests
      differ
      on
      some
      points
      
      
      and
      do
      not
      agree
      on
      the
      final
      result.
      The
      respondent’s
      expert
      is
      of
      the
      view
      
      
      that
      well
      10-24
      only
      showed
      traces
      of
      gas
      which
      would
      mean
      that
      there
      is
      
      
      not
      a
      sufficient
      quantity
      of
      gas
      to
      allow
      one
      to
      conclude
      that
      well
      10-24
      is
      
      
      able
      to
      produce.
      The
      appellants’
      expert
      is
      of
      the
      view
      that,
      considering
      the
      
      
      fact
      that
      no
      water
      came
      out
      of
      the
      well
      combined
      with
      the
      fact
      that
      in
      the
      
      
      Cardium
      formation
      water
      saturation
      is
      fairly
      low,
      and
      taking
      into
      account
      
      
      the
      porosity
      and
      permeability
      calculations,
      all
      this
      is
      sufficient
      to
      indicate
      
      
      that
      there
      was
      a
      good
      quantity
      of
      gas
      in
      the
      well.
      The
      opinion
      of
      the
      experts
      
      
      can
      lead
      me
      in
      one
      direction
      or
      the
      other.
      
      
      
      
    
        Conclusion
      
      My
      analysis
      of
      the
      evidence
      leads
      me
      to
      conclude
      that
      the
      appellants
      
      
      have
      established
      on
      a
      balance
      of
      probabilities
      that
      the
      opinion
      given
      by
      Mr.
      
      
      Davidson
      was
      in
      error.
      First,
      the
      reference
      to
      producible
      reserves
      was
      inappropriate
      
      
      as
      I
      am
      of
      the
      view
      that
      there
      is
      no
      requirement
      in
      the
      
        Act
      
      that
      the
      
      
      well
      must
      have
      been
      proven
      to
      be
      an
      established
      reserve
      within
      the
      meaning
      
      
      given
      to
      that
      term
      in
      the
      industry.
      Secondly,
      Mr.
      Davidson’s
      interpretation
      
      
      of
      well
      10-24
      data
      has
      been
      successfully
      weakened
      by
      the
      appellants’
      expert.
      
      
      
      On
      the
      matter
      of
      porosity,
      I
      am
      satisfied
      that
      Mr.
      Davidson
      could
      
      
      have
      been
      wrong
      on
      the
      washout
      theory.
      Mr.
      McGilvary
      explained
      that
      the
      
      
      washout
      was
      already
      taken
      into
      account
      in
      the
      12
      per
      cent
      calculation
      of
      the
      
      
      density
      porosity
      and
      that
      the
      second
      set
      of
      tests
      conducted
      show
      good
      
      
      repeatability
      of
      the
      first
      results.
      On
      this
      point,
      Mr.
      Davidson
      admitted
      that
      
      
      he
      had
      not
      previously
      seen
      these
      second
      test
      results
      and
      he
      confirmed
      the
      
      
      accuracy
      of
      the
      repeatability
      tests.
      Mr.
      Davidson
      admitted
      that
      if
      he
      was
      
      
      wrong
      on
      his
      washout
      theory,
      well
      10-24
      would
      show
      a
      good
      porosity.
      
      
      
      
    
      As
      to
      permeability,
      Mr.
      Davidson
      admitted
      the
      figures
      given
      by
      Mr.
      
      
      McGilvary
      and
      that
      permeability
      of
      0.1
      mD
      is
      enough
      for
      a
      gas
      well
      to
      be
      
      
      viable.
      
      
      
      
    
      With
      regard
      to
      water
      saturation,
      Mr.
      Davidson
      admitted
      that
      he
      made
      his
      
      
      calculations
      based
      on
      a
      value
      taken
      from
      a
      well
      that
      would
      give
      the
      worst
      
      
      result.
      He
      then
      tried
      to
      support
      his
      conclusions
      with
      a
      value
      for
      another
      well
      
      
      without
      knowing
      which
      well
      he
      was
      talking
      about.
      Furthermore,
      he
      did
      a
      
      
      comparison
      with
      another
      well
      (well
      7-6),
      which
      is
      a
      pool
      recognized
      by
      the
      
      
      EUB
      and
      NEB
      as
      being
      capable
      of
      producing
      gas.
      Mr.
      McGilvary
      was
      able
      
      
      to
      demonstrate,
      and
      Mr.
      Davidson
      agreed
      with
      him,
      that
      the
      water
      saturation
      
      
      of
      well
      7-6
      was
      around
      80
      per
      cent,
      which
      is
      over
      Mr.
      Davidson’s
      standard
      
      
      rule
      of
      water
      saturation
      for
      a
      viable
      well
      (60
      per
      cent).
      Nevertheless,
      
      
      well
      7-6
      was
      qualified
      as
      being
      viable.
      I
      therefore
      accept
      the
      water
      saturation
      
      
      calculations
      made
      by
      Mr.
      McGilvary
      inasmuch
      as
      it
      did
      not
      affect
      the
      
      
      capability
      of
      the
      well
      to
      produce.
      
      
      
      
    
      Also,
      Mr.
      Davidson
      interpreted
      the
      completion
      and
      production
      test
      results
      
      
      as
      confirming
      his
      geological
      analysis.
      His
      conclusion
      was
      based
      on
      the
      
      
      fact
      that
      not
      all
      the
      fluid
      put
      into
      the
      hole
      was
      recovered,
      which
      would
      indicate
      
      
      a
      poor
      flow
      potential
      in
      this
      well,
      and
      that
      the
      amount
      of
      gas
      flowing
      to
      
      
      Surface
      was
      minimal
      and
      was
      not
      measured.
      He
      conceded,
      however,
      that
      his
      
      
      experience
      was
      rather
      limited
      in
      this
      field.
      He
      also
      acknowledged
      that
      the
      
      
      explanation
      given
      by
      Mr.
      McGilvary
      as
      to
      why
      they
      were
      unable
      to
      locate
      
      
      the
      fluid
      put
      into
      the
      hole
      might
      have
      been
      right.
      
      Furthermore,
      Mr.
      
      
      McGilvary
      did
      explain
      why
      the
      amount
      of
      gas
      was
      not
      measured.
      Finally,
      
      
      Mr.
      Davidson
      recognized
      as
      well
      that
      the
      production
      tests
      were
      done
      in
      a
      
      
      rather
      short
      time
      period
      and
      that
      this
      could
      have
      affected
      the
      recovery
      of
      the
      
      
      fluid.
      
      
      
      
    
      In
      conclusion,
      I
      am
      of
      the
      view
      that
      the
      respondent
      applied
      overly
      severe
      
      
      criteria
      which
      are
      not
      set
      forth
      in
      the
      
        Act,
      
      in
      determining
      that
      well
      10-24
      did
      
      
      not
      result
      in
      “the
      discovery
      of
      a
      natural
      accumulation
      of
      petroleum
      or
      natural
      
      
      gas”.
      I
      am
      of
      the
      opinion
      that
      the
      appellants
      have
      demonstrated
      that
      well
      
      
      10-24
      was
      able
      to
      show
      a
      capability
      of
      producing
      gas
      during
      the
      year
      in
      
      
      issue.
      The
      fact
      that
      the
      well
      failed
      later
      on
      is
      irrelevant
      as
      I
      am
      convinced
      
      
      that
      in
      the
      period
      in
      question
      Benchmark
      and
      its
      partners
      had
      reason
      to
      be-
      
      
      lieve
      that
      there
      had
      been
      a
      discovery
      of
      a
      natural
      accumulation
      of
      natural
      
      
      gas.
      
      
      
      
    
        Decision
      
      The
      appeals
      are
      allowed
      and
      the
      assessments
      are
      referred
      back
      to
      the
      
      
      Minister
      of
      National
      Revenue
      for
      reconsideration
      and
      reassessment
      on
      the
      
      
      basis
      that
      the
      $100,000
      in
      expenditures
      incurred
      by
      Benchmark
      in
      relation
      
      
      to
      well
      10-24
      did
      constitute
      CEE
      within
      the
      meaning
      of
      subparagraph
      
      
      66.1(6)(a)(11.1)
      of
      the
      Act.
      The
      appellants
      Wheeler
      and
      Hodge
      are
      therefore
      
      
      entitled,
      in
      computing
      their
      income
      for
      the
      1988
      taxation
      year,
      to
      deduct
      an
      
      
      amount
      of
      $17,500
      each
      ($25,000
      less
      a
      grant
      of
      $7,500)
      on
      account
      of
      the
      
      
      CEE
      renounced
      to
      them
      by
      Benchmark.
      As
      to
      the
      appellant
      Hepburn,
      he
      is
      
      
      entitled
      to
      deduct
      an
      amount
      of
      $42,700
      ($61,000
      less
      a
      grant
      of
      $18,300).
      
      
      
      
    
      The
      whole
      with
      costs
      which
      are
      limited
      to
      one
      set
      of
      costs.
      
      
      
      
    
        Appeal
       
        allowed.