曲流河复合砂体内单一河道的识别方法.doc

曲流河复合砂体内单一河道的识别方法【完整版】
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曲流河古河道储层构型精细解剖———以孤东油田七
区西馆陶组为例
岳大力1,
吴胜和1,
谭河清2,
余地云1,
姜香云1,
刘世斌2
11中国石油大学(北京)资源与信息学院,北京102249
21中国石油化工股份胜利油田,山东东营257000
YueDali1, WuShenghe1,
TanHeqing2,
YuDiyun1,JiangXiangyun1, LiuShibin2
11FacultyofNaturalResource&InformationTechnology,ChinaUniversityofPetroleum(Beijing),Beijing102249,China
21ShengliOilfieldCo1Ltd,SINOPEC,Dongying257000,China
YueDali,WuShenghe,TanHeqing,etal1Ananatomyofpaleochannelreservoirarchitectureofmeanderingriverreservoir—a
casestudyofGuantaoformation,thewest7thblockofGudongoilfield.EarthScienceFrontiers,2021,15(1):1012109
Abstract:Takingthewest7thblockofGudongoilfield,Shenglipetroleumprovinceasacase,basedonthe
sedimentarymicrofaciesanalysis,andaccordingtothecore,wellloggingandperformancedata,wehavesys2tematicallyanatomizedthehierarchicalpaleochannelreservoirarchitectureofmeanderingriverreser2voir1Directedbyquantitativemodelofpointbardistributionandbasedonthepositiverhythmofverticalchar2acteristicsandthepeculiaritiesoflargesandstonethicknessandthedistributionclosetotheabandonedchan2nel,wehaverecognizedtwopointbarsinNg522layer1Combiningoutcropandmoderndepositstudy,empiricalformulaforecasting,andanalysisofpairedwells,wehaveestablishedaquantitativearchitecturemodelofin2sideofthepointbar1Guidedbythequantitativemodelandtheresultsofperformancemonitoring,andcon2trolledbylateralaccretionshalebeddingsinsinglewells,wecarriedonthemodelfitting,andaccomplishedtheinnerarchitectureanalysis1Remainingoildistributioninthepointbarhasbeenanalyzedindetail,andthepo2tentialexploitationmeasuresareproposed,thatis,drillinghorizontalwellsonthetopofthepointbar1Theap2plicationoftheanatomyresulttothestudyareahasbroughtaboutgoodeffects1Theresultofthisstudymaybeusedinothersimilaroilfields1
Keywords:reservoirarchitecture;remainingoil;pointbar;meanderingriver;Gudongoilfield
摘要:以胜利油区孤东油田七区西为例,在沉积微相研究的根底上,主要应用研究区岩心、测井,动态等资
料,对曲流河古河道砂体进行了系统的储层层次构型精细解剖。在点坝定量分布模式的指导下,根据点坝砂体垂向上典型的正韵律、砂体厚度大以及紧邻废弃河道分布等特征,在研究区Ng522单层复合河道砂体内部