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  <xs:element id="nog_DerivativeAssetLiabilityGrossAssetLiabilityIncludingNotSubjectToMasterNettingArrangement" abstract="false" name="DerivativeAssetLiabilityGrossAssetLiabilityIncludingNotSubjectToMasterNettingArrangement" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="nog_MeasurementInputFutureOilPriceMember" abstract="true" name="MeasurementInputFutureOilPriceMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nog_MeasurementInputFutureGasPriceMember" abstract="true" name="MeasurementInputFutureGasPriceMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nog_MeasurementInputProvedReservesRiskAdjustmentMember" abstract="true" name="MeasurementInputProvedReservesRiskAdjustmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nog_MeasurementInputUnprovedReservesRiskAdjustmentMember" abstract="true" name="MeasurementInputUnprovedReservesRiskAdjustmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nog_OilAndGasPropertyMeasurementInput" abstract="false" name="OilAndGasPropertyMeasurementInput" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:decimalItemType"/>
  <xs:element id="nog_DerivativeGainLossOnDerivativeNetSettledCommodityDerivatives" abstract="false" name="DerivativeGainLossOnDerivativeNetSettledCommodityDerivatives" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="nog_DerivativeGainLossOnDerivativeNetUnsettledCommodityDerivatives" abstract="false" name="DerivativeGainLossOnDerivativeNetUnsettledCommodityDerivatives" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="nog_WTINYMEXSwapsMember" abstract="true" name="WTINYMEXSwapsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nog_NYMEXWTIShortSwaptionsMember" abstract="true" name="NYMEXWTIShortSwaptionsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nog_NYMEXWTILongSwaptionsMember" abstract="true" name="NYMEXWTILongSwaptionsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nog_NYMEXWTIRollSwapsMember" abstract="true" name="NYMEXWTIRollSwapsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nog_ArgusWTIMidlandCMADiffBasisSwapsMember" abstract="true" name="ArgusWTIMidlandCMADiffBasisSwapsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nog_ArgusWTIMidlandTMADiffBasisSwapsMember" abstract="true" name="ArgusWTIMidlandTMADiffBasisSwapsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nog_WTINYMEXCallOptionsMember" abstract="true" name="WTINYMEXCallOptionsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nog_NYMEXWTILongCallOptionsMember" abstract="true" name="NYMEXWTILongCallOptionsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nog_ICEBrentCallOptionsMember" abstract="true" name="ICEBrentCallOptionsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nog_NYMEXWTICMATwoWayCollarsPutMember" abstract="true" name="NYMEXWTICMATwoWayCollarsPutMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nog_NYMEXWTICMATwoWayCollarsCallMember" abstract="true" name="NYMEXWTICMATwoWayCollarsCallMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nog_NYMEXWTIThreeWayCollarsSubFloorMember" abstract="true" name="NYMEXWTIThreeWayCollarsSubFloorMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nog_NYMEXWTIThreeWayCollarsFloorMember" abstract="true" name="NYMEXWTIThreeWayCollarsFloorMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nog_NYMEXWTIThreeWayCollarsCeilingMember" abstract="true" name="NYMEXWTIThreeWayCollarsCeilingMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nog_NYMEXHenryHubSwapsMember" abstract="true" name="NYMEXHenryHubSwapsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nog_WahaGasDailySwapsMember" abstract="true" name="WahaGasDailySwapsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nog_NYMEXHenryHubShortSwaptionsMember" abstract="true" name="NYMEXHenryHubShortSwaptionsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nog_NYMEXHenryHubLongSwaptionsMember" abstract="true" name="NYMEXHenryHubLongSwaptionsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nog_WahaBasisSwapsMember" abstract="true" name="WahaBasisSwapsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nog_WahaGasDailyAverageVsHenryHubLastDayMember" abstract="true" name="WahaGasDailyAverageVsHenryHubLastDayMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nog_WahaIndexSwapsMember" abstract="true" name="WahaIndexSwapsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nog_TETCOM2BasisSwapsMember" abstract="true" name="TETCOM2BasisSwapsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nog_TCOBasisSwapsMember" abstract="true" name="TCOBasisSwapsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nog_REXZone3BasisSwapMember" abstract="true" name="REXZone3BasisSwapMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nog_NYMEXHenryHubShortCallOptionsMember" abstract="true" name="NYMEXHenryHubShortCallOptionsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nog_NYMEXHenryHubLongCallOptionsMember" abstract="true" name="NYMEXHenryHubLongCallOptionsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nog_NYMEXHenryHubTwoWayCollarsPutMember" abstract="true" name="NYMEXHenryHubTwoWayCollarsPutMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nog_NYMEXHenryHubTwoWayCollarsCallMember" abstract="true" name="NYMEXHenryHubTwoWayCollarsCallMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nog_OPISSwapsMember" abstract="true" name="OPISSwapsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nog_DerivativeSettlementPeriodAxis" abstract="true" name="DerivativeSettlementPeriodAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="nog_DerivativeSettlementPeriodDomain" abstract="true" name="DerivativeSettlementPeriodDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nog_DerivativeSettlementPeriod1Member" abstract="true" name="DerivativeSettlementPeriod1Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nog_DerivativeSettlementPeriod2Member" abstract="true" name="DerivativeSettlementPeriod2Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nog_DerivativeSettlementPeriod3Member" abstract="true" name="DerivativeSettlementPeriod3Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nog_DerivativeSettlementPeriod4Member" abstract="true" name="DerivativeSettlementPeriod4Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nog_DerivativeSettlementPeriod5Member" abstract="true" name="DerivativeSettlementPeriod5Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nog_DerivativeSwapTypeAverageFixedPriceDifferential" abstract="false" name="DerivativeSwapTypeAverageFixedPriceDifferential" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="srt-types:perUnitItemType"/>
  <xs:element id="nog_DerivativeContrctPeriodAxis" abstract="true" name="DerivativeContrctPeriodAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="nog_DerivativeContrctPeriodDomain" abstract="true" name="DerivativeContrctPeriodDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nog_October12024October12026Member" abstract="true" name="October12024October12026Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nog_May12025May12027Member" abstract="true" name="May12025May12027Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nog_September192025October12027Member" abstract="true" name="September192025October12027Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nog_October202025November12027Member" abstract="true" name="October202025November12027Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nog_December102025December12027Member" abstract="true" name="December102025December12027Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nog_December102025December12028Member" abstract="true" name="December102025December12028Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nog_PriceSwapContractsMember" abstract="true" name="PriceSwapContractsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nog_PriceSwaptionsMember" abstract="true" name="PriceSwaptionsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nog_PriceCollarMember" abstract="true" name="PriceCollarMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nog_PriceCallOptionsContractsMember" abstract="true" name="PriceCallOptionsContractsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nog_PriceIndexSwapContractsMember" abstract="true" name="PriceIndexSwapContractsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nog_AdamDirlamMember" abstract="true" name="AdamDirlamMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
</xs:schema>
