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    <marc:controlfield tag="003">CaOODSP</marc:controlfield>
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    <marc:controlfield tag="008">171228s2017    abcbd   ob   f000 0 eng d</marc:controlfield>
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      <marc:subfield code="a">Duvernay Shale economic resources </marc:subfield>
      <marc:subfield code="h">[electronic resource].</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="260" ind1=" " ind2=" ">
      <marc:subfield code="a">[Calgary] : </marc:subfield>
      <marc:subfield code="b">National Energy Board, </marc:subfield>
      <marc:subfield code="c">2017.</marc:subfield>
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      <marc:subfield code="a">15 p. : </marc:subfield>
      <marc:subfield code="b">col. charts, col. maps</marc:subfield>
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      <marc:subfield code="a">Energy briefing note, </marc:subfield>
      <marc:subfield code="x">1917-506X</marc:subfield>
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      <marc:subfield code="a">Issued also in French under title: Ressources économiques de la formation schisteuse de Duvernay.</marc:subfield>
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      <marc:subfield code="a">Cover title.</marc:subfield>
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      <marc:subfield code="a">"November 2017."</marc:subfield>
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      <marc:subfield code="a">Includes bibliographical references.</marc:subfield>
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      <marc:subfield code="a">"Following a recent study that assessed the Duvernay Shale’s marketable petroleum resources, the NEB assessed the Duvernay Shale’s economic resources. At 2017 light sweet crude oil prices, natural gas prices, and well costs, the Duvernay Shale’s economic oil resource is 156 million cubic metres (m3) or 1.0 billion barrels, about one third of the Duvernay’s marketable oil resource. Meanwhile, the Duvernay Shale’s economic natural gas resource is 339 billion m3 (12.0 trillion cubic feet (Tcf)); 16% of the Duvernay’s marketable natural gas resource. The Duvernay Shale’s economic natural gas liquid (NGL) resource is 216 million m3 (1.4 billion barrels), about one fifth of the Duvernay’s marketable NGL resource"--Executive summary, p. 2.</marc:subfield>
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      <marc:subfield code="a">Includes pref. material in French.</marc:subfield>
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      <marc:subfield code="2">gccst</marc:subfield>
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      <marc:subfield code="a">Canada. </marc:subfield>
      <marc:subfield code="b">National Energy Board.</marc:subfield>
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      <marc:subfield code="t">Ressources économiques de la formation schisteuse de Duvernay </marc:subfield>
      <marc:subfield code="w">(CaOODSP)9.849275</marc:subfield>
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    <marc:datafield tag="830" ind1="#" ind2="0">
      <marc:subfield code="a">Energy briefing note,</marc:subfield>
      <marc:subfield code="x">1917-506X</marc:subfield>
      <marc:subfield code="w">(CaOODSP)9.506460</marc:subfield>
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      <marc:subfield code="q">PDF</marc:subfield>
      <marc:subfield code="s">4.57 MB</marc:subfield>
      <marc:subfield code="u">https://publications.gc.ca/collections/collection_2017/one-neb/NE4-2-20-2017-eng.pdf</marc:subfield>
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