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  <xs:element id="gpor_RevenuePayableAndSuspenseCurrent" abstract="false" name="RevenuePayableAndSuspenseCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="gpor_SeriesAConvertiblePreferredStockMember" abstract="true" name="SeriesAConvertiblePreferredStockMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="gpor_CostlessCollarsNYMEXHenryHubMember" abstract="true" name="CostlessCollarsNYMEXHenryHubMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="gpor_ShareBasedCompensationArrangementByShareBasedPaymentAwardPerformanceVestingPeriod" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardPerformanceVestingPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="gpor_PropertyPlantandEquipmentOtherThanOilAndGasPropertyGross" abstract="false" name="PropertyPlantandEquipmentOtherThanOilAndGasPropertyGross" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="gpor_OtherCommitmentToBePaidAfterYearFour" abstract="false" name="OtherCommitmentToBePaidAfterYearFour" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="gpor_SwapsMontBelvieuC3Member" abstract="true" name="SwapsMontBelvieuC3Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="gpor_UnderwrittenPublicOfferingMember" abstract="true" name="UnderwrittenPublicOfferingMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="gpor_TotalOtherAssets" abstract="false" name="TotalOtherAssets" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="gpor_NYMEXHenryHub2025Member" abstract="true" name="NYMEXHenryHub2025Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="gpor_NYMEXHenryHub2024Member" abstract="true" name="NYMEXHenryHub2024Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="gpor_CashSettlementOnDerivativeInstruments" abstract="false" name="CashSettlementOnDerivativeInstruments" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="gpor_DebtorInPossessionTypeAxis" abstract="true" name="DebtorInPossessionTypeAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="gpor_NYMEXHenryHub2024Index1Member" abstract="true" name="NYMEXHenryHub2024Index1Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="gpor_MontBelvieuC3Remaining2023Member" abstract="true" name="MontBelvieuC3Remaining2023Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="gpor_IncreaseDecreaseinAccountsReceivableJointOperationsandOther" abstract="false" name="IncreaseDecreaseinAccountsReceivableJointOperationsandOther" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="gpor_AccruedTransportationGatheringProcessingAndCompression" abstract="false" name="AccruedTransportationGatheringProcessingAndCompression" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="gpor_MontBelvieuC3Year2024Member" abstract="true" name="MontBelvieuC3Year2024Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
</xs:schema>
