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<link:loc xlink:type="locator" xlink:href="oilgas-2015-05-13.xsd#oilgas_BitumenReservesProvedProducingGrossMBBL" xlink:label="oilgas_BitumenReservesProvedProducingGrossMBBL"  />
<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oilgas_ReservesAbstract" xlink:to="oilgas_BitumenReservesProvedProducingGrossMBBL" order="1690" use="optional" />
<link:loc xlink:type="locator" xlink:href="oilgas-2015-05-13.xsd#oilgas_BitumenReservesProvedProducingNetMBBL" xlink:label="oilgas_BitumenReservesProvedProducingNetMBBL"  />
<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oilgas_ReservesAbstract" xlink:to="oilgas_BitumenReservesProvedProducingNetMBBL" order="1700" use="optional" />
<link:loc xlink:type="locator" xlink:href="oilgas-2015-05-13.xsd#oilgas_BitumenReservesProvedGrossTotalMBBL" xlink:label="oilgas_BitumenReservesProvedGrossTotalMBBL"  />
<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oilgas_ReservesAbstract" xlink:to="oilgas_BitumenReservesProvedGrossTotalMBBL" order="1710" use="optional" />
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<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oilgas_ReservesAbstract" xlink:to="oilgas_BitumenReservesProvedNetTotalMBBL" order="1720" use="optional" />
<link:loc xlink:type="locator" xlink:href="oilgas-2015-05-13.xsd#oilgas_BitumenReservesProvedUndevelopedGrossMBBL" xlink:label="oilgas_BitumenReservesProvedUndevelopedGrossMBBL"  />
<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oilgas_ReservesAbstract" xlink:to="oilgas_BitumenReservesProvedUndevelopedGrossMBBL" order="1730" use="optional" />
<link:loc xlink:type="locator" xlink:href="oilgas-2015-05-13.xsd#oilgas_BitumenReservesProvedUndevelopedNetMBBL" xlink:label="oilgas_BitumenReservesProvedUndevelopedNetMBBL"  />
<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oilgas_ReservesAbstract" xlink:to="oilgas_BitumenReservesProvedUndevelopedNetMBBL" order="1740" use="optional" />
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<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oilgas_ReservesAbstract" xlink:to="oilgas_ProvedDevelopedAndUndevelopedReservesExtensionsDiscoveriesAndAdditionsMcfe" order="1750" use="optional" />
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<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oilgas_ReservesAbstract" xlink:to="oilgas_ProvedDevelopedAndUndevelopedReservesNetBoe" order="1760" use="optional" />
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<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oilgas_ReservesAbstract" xlink:to="oilgas_ProvedDevelopedAndUndevelopedReservesProductionBoe" order="1780" use="optional" />
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<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oilgas_ReservesAbstract" xlink:to="oilgas_ProvedDevelopedAndUndevelopedReservesProductionMcfe" order="1790" use="optional" />
<link:loc xlink:type="locator" xlink:href="oilgas-2015-05-13.xsd#oilgas_ProvedDevelopedAndUndevelopedReservesPurchasesOfMineralsInPlaceBoe" xlink:label="oilgas_ProvedDevelopedAndUndevelopedReservesPurchasesOfMineralsInPlaceBoe"  />
<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oilgas_ReservesAbstract" xlink:to="oilgas_ProvedDevelopedAndUndevelopedReservesPurchasesOfMineralsInPlaceBoe" order="1800" use="optional" />
<link:loc xlink:type="locator" xlink:href="oilgas-2015-05-13.xsd#oilgas_ProvedDevelopedAndUndevelopedReservesRevisions" xlink:label="oilgas_ProvedDevelopedAndUndevelopedReservesRevisions"  />
<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oilgas_ReservesAbstract" xlink:to="oilgas_ProvedDevelopedAndUndevelopedReservesRevisions" order="1810" use="optional" />
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<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oilgas_ReservesAbstract" xlink:to="oilgas_ProvedDevelopedAndUndevelopedReservesSalesOfMineralsInPlaceBoe" order="1850" use="optional" />
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<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oilgas_ReservesAbstract" xlink:to="oilgas_ProvedDevelopedAndUndevelopedReservesSalesOfMineralsInPlaceMcfe" order="1860" use="optional" />
<link:loc xlink:type="locator" xlink:href="oilgas-2015-05-13.xsd#oilgas_ReserveLifeIndex" xlink:label="oilgas_ReserveLifeIndex"  />
<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oilgas_ReservesAbstract" xlink:to="oilgas_ReserveLifeIndex" order="1870" use="optional" />
<link:loc xlink:type="locator" xlink:href="oilgas-2015-05-13.xsd#oilgas_ReserveRevisionOfPreviousEstimatesOil" xlink:label="oilgas_ReserveRevisionOfPreviousEstimatesOil"  />
<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oilgas_ReservesAbstract" xlink:to="oilgas_ReserveRevisionOfPreviousEstimatesOil" order="1880" use="optional" />
<link:loc xlink:type="locator" xlink:href="oilgas-2015-05-13.xsd#oilgas_ReserveRevisionOfPreviousEstimatesNGL" xlink:label="oilgas_ReserveRevisionOfPreviousEstimatesNGL"  />
<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oilgas_ReservesAbstract" xlink:to="oilgas_ReserveRevisionOfPreviousEstimatesNGL" order="1890" use="optional" />
<link:loc xlink:type="locator" xlink:href="oilgas-2015-05-13.xsd#oilgas_ReserveRevisionOfPreviousEstimatesGas" xlink:label="oilgas_ReserveRevisionOfPreviousEstimatesGas"  />
<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oilgas_ReservesAbstract" xlink:to="oilgas_ReserveRevisionOfPreviousEstimatesGas" order="1900" use="optional" />
<link:loc xlink:type="locator" xlink:href="oilgas-2015-05-13.xsd#oilgas_ReserveRevisionOfPreviousEstimatesOilEquivalent" xlink:label="oilgas_ReserveRevisionOfPreviousEstimatesOilEquivalent"  />
<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oilgas_ReservesAbstract" xlink:to="oilgas_ReserveRevisionOfPreviousEstimatesOilEquivalent" order="1910" use="optional" />
<link:loc xlink:type="locator" xlink:href="oilgas-2015-05-13.xsd#oilgas_ReserveAcquisitionOfNewReservesOil" xlink:label="oilgas_ReserveAcquisitionOfNewReservesOil"  />
<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oilgas_ReservesAbstract" xlink:to="oilgas_ReserveAcquisitionOfNewReservesOil" order="1920" use="optional" />
<link:loc xlink:type="locator" xlink:href="oilgas-2015-05-13.xsd#oilgas_ReserveAcquisitionOfNewReservesNGL" xlink:label="oilgas_ReserveAcquisitionOfNewReservesNGL"  />
<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oilgas_ReservesAbstract" xlink:to="oilgas_ReserveAcquisitionOfNewReservesNGL" order="1930" use="optional" />
<link:loc xlink:type="locator" xlink:href="oilgas-2015-05-13.xsd#oilgas_ReserveAcquisitionOfNewReservesGas" xlink:label="oilgas_ReserveAcquisitionOfNewReservesGas"  />
<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oilgas_ReservesAbstract" xlink:to="oilgas_ReserveAcquisitionOfNewReservesGas" order="1940" use="optional" />
<link:loc xlink:type="locator" xlink:href="oilgas-2015-05-13.xsd#oilgas_ReserveAcquisitionOfNewReservesOilEquivalent" xlink:label="oilgas_ReserveAcquisitionOfNewReservesOilEquivalent"  />
<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oilgas_ReservesAbstract" xlink:to="oilgas_ReserveAcquisitionOfNewReservesOilEquivalent" order="1950" use="optional" />
<link:loc xlink:type="locator" xlink:href="oilgas-2015-05-13.xsd#oilgas_ReserveExtensionandDiscoveriesOil" xlink:label="oilgas_ReserveExtensionandDiscoveriesOil"  />
<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oilgas_ReservesAbstract" xlink:to="oilgas_ReserveExtensionandDiscoveriesOil" order="1960" use="optional" />
<link:loc xlink:type="locator" xlink:href="oilgas-2015-05-13.xsd#oilgas_ReserveExtensionandDiscoveriesNGL" xlink:label="oilgas_ReserveExtensionandDiscoveriesNGL"  />
<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oilgas_ReservesAbstract" xlink:to="oilgas_ReserveExtensionandDiscoveriesNGL" order="1970" use="optional" />
<link:loc xlink:type="locator" xlink:href="oilgas-2015-05-13.xsd#oilgas_ReserveExtensionandDiscoveriesGas" xlink:label="oilgas_ReserveExtensionandDiscoveriesGas"  />
<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oilgas_ReservesAbstract" xlink:to="oilgas_ReserveExtensionandDiscoveriesGas" order="1980" use="optional" />
<link:loc xlink:type="locator" xlink:href="oilgas-2015-05-13.xsd#oilgas_ReserveExtensionandDiscoveriesOilEquivalent" xlink:label="oilgas_ReserveExtensionandDiscoveriesOilEquivalent"  />
<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oilgas_ReservesAbstract" xlink:to="oilgas_ReserveExtensionandDiscoveriesOilEquivalent" order="1990" use="optional" />
<link:loc xlink:type="locator" xlink:href="oilgas-2015-05-13.xsd#oilgas_ReserveSalesOfReservesInPlaceOil" xlink:label="oilgas_ReserveSalesOfReservesInPlaceOil"  />
<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oilgas_ReservesAbstract" xlink:to="oilgas_ReserveSalesOfReservesInPlaceOil" order="2000" use="optional" />
<link:loc xlink:type="locator" xlink:href="oilgas-2015-05-13.xsd#oilgas_ReserveSalesOfReservesInPlaceNGL" xlink:label="oilgas_ReserveSalesOfReservesInPlaceNGL"  />
<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oilgas_ReservesAbstract" xlink:to="oilgas_ReserveSalesOfReservesInPlaceNGL" order="2010" use="optional" />
<link:loc xlink:type="locator" xlink:href="oilgas-2015-05-13.xsd#oilgas_ReserveSalesOfReservesInPlaceGas" xlink:label="oilgas_ReserveSalesOfReservesInPlaceGas"  />
<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oilgas_ReservesAbstract" xlink:to="oilgas_ReserveSalesOfReservesInPlaceGas" order="2020" use="optional" />
<link:loc xlink:type="locator" xlink:href="oilgas-2015-05-13.xsd#oilgas_ReserveSalesOfReservesInPlaceOilEquivalent" xlink:label="oilgas_ReserveSalesOfReservesInPlaceOilEquivalent"  />
<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oilgas_ReservesAbstract" xlink:to="oilgas_ReserveSalesOfReservesInPlaceOilEquivalent" order="2030" use="optional" />
<link:loc xlink:type="locator" xlink:href="oilgas-2015-05-13.xsd#oilgas_ReserveChangesDueToProductionOil" xlink:label="oilgas_ReserveChangesDueToProductionOil"  />
<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oilgas_ReservesAbstract" xlink:to="oilgas_ReserveChangesDueToProductionOil" order="2040" use="optional" />
<link:loc xlink:type="locator" xlink:href="oilgas-2015-05-13.xsd#oilgas_ReserveChangesDueToProductionNGL" xlink:label="oilgas_ReserveChangesDueToProductionNGL"  />
<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oilgas_ReservesAbstract" xlink:to="oilgas_ReserveChangesDueToProductionNGL" order="2050" use="optional" />
<link:loc xlink:type="locator" xlink:href="oilgas-2015-05-13.xsd#oilgas_ReserveChangesDueToProductionGas" xlink:label="oilgas_ReserveChangesDueToProductionGas"  />
<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oilgas_ReservesAbstract" xlink:to="oilgas_ReserveChangesDueToProductionGas" order="2060" use="optional" />
<link:loc xlink:type="locator" xlink:href="oilgas-2015-05-13.xsd#oilgas_ReserveChangesDueToProductionOilEquivalent" xlink:label="oilgas_ReserveChangesDueToProductionOilEquivalent"  />
<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oilgas_ReservesAbstract" xlink:to="oilgas_ReserveChangesDueToProductionOilEquivalent" order="2070" use="optional" />
<link:loc xlink:type="locator" xlink:href="oilgas-2015-05-13.xsd#oilgas_DiscountFactor" xlink:label="oilgas_DiscountFactor"  />
<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oilgas_ReservesAbstract" xlink:to="oilgas_DiscountFactor" order="2080" use="optional" />
<link:loc xlink:type="locator" xlink:href="oilgas-2015-05-13.xsd#oilgas_FutureCashFlowsFromProduction" xlink:label="oilgas_FutureCashFlowsFromProduction"  />
<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oilgas_ReservesAbstract" xlink:to="oilgas_FutureCashFlowsFromProduction" order="2090" use="optional" />
<link:loc xlink:type="locator" xlink:href="oilgas-2015-05-13.xsd#oilgas_FutureDevelopmentCosts" xlink:label="oilgas_FutureDevelopmentCosts"  />
<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oilgas_ReservesAbstract" xlink:to="oilgas_FutureDevelopmentCosts" order="2100" use="optional" />
<link:loc xlink:type="locator" xlink:href="oilgas-2015-05-13.xsd#oilgas_FutureAbandonmentCosts" xlink:label="oilgas_FutureAbandonmentCosts"  />
<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oilgas_ReservesAbstract" xlink:to="oilgas_FutureAbandonmentCosts" order="2110" use="optional" />
<link:loc xlink:type="locator" xlink:href="oilgas-2015-05-13.xsd#oilgas_FutureIncomeTaxExpenses" xlink:label="oilgas_FutureIncomeTaxExpenses"  />
<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oilgas_ReservesAbstract" xlink:to="oilgas_FutureIncomeTaxExpenses" order="2120" use="optional" />
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<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oilgas_ReservesAbstract" xlink:to="oilgas_UndiscountedNetFutureCashflows" order="2130" use="optional" />
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<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oilgas_ReservesAbstract" xlink:to="oilgas_DiscountedNetFutureCashflows" order="2140" use="optional" />
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<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oilgas_ReservesAbstract" xlink:to="oilgas_DiscountedPresentValueOfReserves" order="2150" use="optional" />
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<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oilgas_ReservesAbstract" xlink:to="oilgas_ReserveValueRevenuesLessProductionAndOtherCosts" order="2160" use="optional" />
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<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oilgas_ReservesAbstract" xlink:to="oilgas_ReserveValueNetChangesInPricesProductionAndOtherCosts" order="2170" use="optional" />
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<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oilgas_ReservesAbstract" xlink:to="oilgas_ReserveValueDevelopmentCostsIncurred" order="2180" use="optional" />
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<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oilgas_ReservesAbstract" xlink:to="oilgas_ReserveValueNetChangesInFutureDevelopmentCosts" order="2190" use="optional" />
<link:loc xlink:type="locator" xlink:href="oilgas-2015-05-13.xsd#oilgas_ReserveValueExtensionsAndDiscoveries" xlink:label="oilgas_ReserveValueExtensionsAndDiscoveries"  />
<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oilgas_ReservesAbstract" xlink:to="oilgas_ReserveValueExtensionsAndDiscoveries" order="2200" use="optional" />
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<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oilgas_ReservesAbstract" xlink:to="oilgas_ReserveValueRevisionsOfPreviousQuantityEstimates" order="2210" use="optional" />
<link:loc xlink:type="locator" xlink:href="oilgas-2015-05-13.xsd#oilgas_ReserveValueAccretionOfDiscount" xlink:label="oilgas_ReserveValueAccretionOfDiscount"  />
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