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准噶尔盆地南缘下组合油气成藏过程——以齐古油田为例.docx

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准噶尔盆地南缘下组合油气成藏过程——以齐古油田为例 Title:FormationProcessofOilandGasAccumulationintheLowerMemberoftheSouthernMarginoftheJunggarBasin—ACaseStudyoftheQiguOilfield Abstract: TheQiguoilfieldislocatedinthesouthernmarginoftheJunggarBasin,China,whichisanimportantareaforoilandgasexploration.Inthispaper,weinvestigatetheformationprocessofoilandgasaccumulationinthelowermemberofthesouthernmarginoftheJunggarBasin,withafocusontheQiguoilfield.Throughcomprehensiveanalysisofgeologicaldata,reservoircharacteristics,andhydrocarbonaccumulationconditions,wepresentadetailedunderstandingofthemechanismsthatcontributedtotheformationanddevelopmentofoilandgasreservoirsinthisregion. 1.Introduction 1.1Background 1.2Objectives 1.3SignificanceoftheStudy 2.GeologicalCharacteristicsoftheQiguOilfield 2.1GeologicalSetting 2.2StratigraphicFramework 2.3StructuralFeatures 3.ReservoirCharacteristicsoftheQiguOilfield 3.1Lithology 3.2PorosityandPermeability 3.3ReservoirHeterogeneity 3.4ReservoirFluidCharacteristics 4.HydrocarbonAccumulationConditionsintheQiguoilfield 4.1SourceRock 4.2MigrationPathways 4.3ReservoirTraps 4.4ReservoirCaprock 4.5TimingandPreservationConditions 5.FormationProcessofOilandGasAccumulation 5.1PrimaryMigrationofHydrocarbons 5.2SecondaryMigrationandAccumulation 5.3TrapFormationandPreservation 5.4ImportanceofStructuralFeaturesinHydrocarbonAccumulation 6.CaseStudy:QiguOilfield 6.1ReservoirDistributionandCharacteristics 6.2HydrocarbonAccumulationPatterns 6.3ControllingFactorsofHydrocarbonAccumulation 7.Conclusion 7.1SummaryofFindings 7.2ImplicationsforOilandGasExplorationintheJunggarBasin 7.3AreasforFutureResearch References Note:ThisistheoutlineofthepaperontheformationprocessofoilandgasaccumulationinthelowermemberofthesouthernmarginoftheJunggarBasin,usingtheQiguoilfieldasacasestudy.Youcanexpandeachsectionwithrelevantcontentanduseadditionalsourcestoprovideacomprehensiveanalysis.Thefinalpapershouldhaveaminimumof1200wordstoaddressthetopicadequately.