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  <infoTable>
    <nameOfIssuer>Cabot Oil &amp; Gas Corp</nameOfIssuer>
    <titleOfClass>Common</titleOfClass>
    <cusip>127097103</cusip>
    <value>1294</value>
    <shrsOrPrnAmt>
      <sshPrnamt>74336</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>74336</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>Continental Resources Inc</nameOfIssuer>
    <titleOfClass>Common</titleOfClass>
    <cusip>212015101</cusip>
    <value>31</value>
    <shrsOrPrnAmt>
      <sshPrnamt>900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>Diamondback Energy Inc</nameOfIssuer>
    <titleOfClass>Common</titleOfClass>
    <cusip>25278X109</cusip>
    <value>1066</value>
    <shrsOrPrnAmt>
      <sshPrnamt>11482</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>11482</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>Dorchester Minerals LP</nameOfIssuer>
    <titleOfClass>Common</titleOfClass>
    <cusip>25820R105</cusip>
    <value>34</value>
    <shrsOrPrnAmt>
      <sshPrnamt>1750</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>1750</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>Encana Corp</nameOfIssuer>
    <titleOfClass>Common</titleOfClass>
    <cusip>292505104</cusip>
    <value>2590</value>
    <shrsOrPrnAmt>
      <sshPrnamt>552270</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>552270</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>Evolution Petroleum Corp</nameOfIssuer>
    <titleOfClass>Common</titleOfClass>
    <cusip>30049A107</cusip>
    <value>8168</value>
    <shrsOrPrnAmt>
      <sshPrnamt>1493222</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>1493222</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>WPX Energy Inc</nameOfIssuer>
    <titleOfClass>Common</titleOfClass>
    <cusip>98212B103</cusip>
    <value>4640</value>
    <shrsOrPrnAmt>
      <sshPrnamt>337736</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>337736</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>Encana Corp</nameOfIssuer>
    <titleOfClass>Common</titleOfClass>
    <cusip>292505904</cusip>
    <value>1642</value>
    <shrsOrPrnAmt>
      <sshPrnamt>350000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>350000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>Encana Corp</nameOfIssuer>
    <titleOfClass>Common</titleOfClass>
    <cusip>292505904</cusip>
    <value>938</value>
    <shrsOrPrnAmt>
      <sshPrnamt>200000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>200000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>Encana Corp</nameOfIssuer>
    <titleOfClass>Common</titleOfClass>
    <cusip>292505904</cusip>
    <value>2298</value>
    <shrsOrPrnAmt>
      <sshPrnamt>490000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>490000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>Encana Corp</nameOfIssuer>
    <titleOfClass>Common</titleOfClass>
    <cusip>292505904</cusip>
    <value>3422</value>
    <shrsOrPrnAmt>
      <sshPrnamt>729600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>729600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>Encana Corp</nameOfIssuer>
    <titleOfClass>Common</titleOfClass>
    <cusip>292505904</cusip>
    <value>908</value>
    <shrsOrPrnAmt>
      <sshPrnamt>193700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>193700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>WPX Energy Inc</nameOfIssuer>
    <titleOfClass>Common</titleOfClass>
    <cusip>98212B903</cusip>
    <value>3600</value>
    <shrsOrPrnAmt>
      <sshPrnamt>262000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>262000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>WPX Energy Inc</nameOfIssuer>
    <titleOfClass>Common</titleOfClass>
    <cusip>98212B903</cusip>
    <value>6801</value>
    <shrsOrPrnAmt>
      <sshPrnamt>495000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>495000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>Diamondback Energy Inc</nameOfIssuer>
    <titleOfClass>Common</titleOfClass>
    <cusip>25278X959</cusip>
    <value>93</value>
    <shrsOrPrnAmt>
      <sshPrnamt>1000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>1000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>Parsley Energy Inc</nameOfIssuer>
    <titleOfClass>Common</titleOfClass>
    <cusip>701877952</cusip>
    <value>76</value>
    <shrsOrPrnAmt>
      <sshPrnamt>4000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>4000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
</informationTable>
