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裂缝性潜山油藏水平井应用技术研究.docx

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裂缝性潜山油藏水平井应用技术研究 Title:ResearchonApplicationTechniquesofFracture-AssociatedSubsaltReservoirsforHorizontalWells Abstract: Theexploitationoffracture-associatedsubsaltreservoirsposessignificantchallengesduetothecomplexgeologicalconditionsandhighformationpressures.Horizontalwellshaveemergedasapromisingtechnologyforoptimizingreservoirrecoveryinthesechallengingenvironments.Thispaperaimstoexploretheapplicationtechniquesofhorizontalwellsinfracture-associatedsubsaltreservoirs,focusingontheunderstandingofreservoircharacteristics,wellboredesign,andcompletionstrategies.Theresearchprovidesvaluableinsightsintoimprovingreservoirperformanceandmaximizinghydrocarbonrecoveryinsuchreservoirs. 1.Introduction Fracture-associatedsubsaltreservoirsarecharacterizedbythepresenceofcomplexfracturesystems,makingthemhighlychallengingforhydrocarbonextraction.Conventionalverticalwelldrillingtechniquesoftenfailtoeffectivelyaccesshydrocarbonsintheseformations.Horizontalwellsofferasolutionbyprovidinggreatercontactwithfracturesandenhancingtheproductionperformance.Thissectionintroducestheresearchfocusandoutlinestheobjectivesofthestudy. 2.ReservoirCharacteristics Understandingthereservoircharacteristicsiscrucialforsuccessfulexploitationoffracture-associatedsubsaltreservoirs.Thissectiondiscussesthegeologicalfeatures,includingthesubsurfacestructure,lithology,fracturedistribution,andfluidproperties.Italsoemphasizestheimportanceofcomprehensivereservoircharacterizationthroughdataacquisitionandanalysis. 3.WellboreDesign Optimalwellboredesignplaysasignificantroleinenhancingreservoircontactandproductivityinfracture-associatedsubsaltreservoirs.Thissectionexploresthekeyconsiderationsfordesigninghorizontalwellbores,includingwelltrajectory,placement,andlength.Italsodiscussestheimportanceofavoidingwellborecollisionandpotentialchallengesposedbysaltformations. 4.CompletionStrategies Effectivecompletionstrategiesareessentialformaximizingproductionandimprovingreservoirperformanceinfracture-associatedsubsaltreservoirs.Thi