低渗透气田经济极限储量确定方法研究-豆柴文库

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低渗透气田经济极限储量确定方法研究
Title:ResearchonDeterminationMethodsfortheEconomicUltimateRecoveryofLow-permeabilityGasFields
Abstract:
Theeconomicassessmentoflow-permeabilitygasfieldsplaysacrucialroleindeterminingtheirprofitabilityandlong-termdevelopmentstrategies.Thispaperaimstoanalyzeandevaluatedifferentdeterminationmethodsfortheeconomicultimaterecoveryoflow-permeabilitygasfields.Variousmethods,includinganalytical,empirical,andnumericalapproaches,arediscussedalongwiththeiradvantages,limitations,andapplications.Bycriticallyreviewingtheexistingliteratureandcasestudies,thisresearchprovidesinsightsintothechallengesandpotentialsolutionsfordeterminingtheeconomicultimaterecoveryoflow-permeabilitygasfields.
Introduction:
Low-permeabilitygasreservoirscontainvastamountsofnaturalgasresources,buttheyarecharacterizedbylowproductionratesandrequireadvancedrecoverytechniquestoextractthegasefficiently.Determiningtheeconomicultimaterecoveryofthesefieldsisessentialtoassesstheircommercialvalue,optimizeproductionstrategies,andestimatethereturnoninvestment.However,thecomplexgeologyandreservoirpropertiesoflow-permeabilityformationsposechallengesinaccuratelyestimatingtherecoverablereserves.Thus,variousdeterminationmethodshavebeendevelopedtoaddressthesechallengesandenhancetheeconomicevaluationoflow-permeabilitygasfields.
AnalyticalMethods:
Analyticalmethodsarebasedonmathematicalequationsandempiricalrelationshipstoestimatetheultimaterecovery.Commonlyusedanalyticalmethodsincludethematerialbalanceequation,declinecurveanalysis,andproductivityindex.Thesemethodsareefficientforquickestimationandinitialscreeningofreservoirs.However,theyrelyonsimplifyingassumptionsandmaynotadequatelyaccountfortheheterogeneityandcomplexityoflow-permeabilityreservoirs.Therefore,analyticalmethodsshouldbeusedasapreliminaryassessmenttoolandsupplementedwithmorecomprehensivetechniques.
EmpiricalMethods:
Empiricalmethodsrelyonhistoricalproductiondataandanalogreservoirstoestimatetheultimaterecovery.Thesemethodsarebasedontheobservationt