多油层复杂断块油藏开发层系细分研究(6)

JournalofSouthwestPetroleumUniversity（Science＆TechnologyEdition）No．6

Keywords：CaosheOilfield，CO2displacement，miscibleflooding，asphaltineprecipitation，depositmechanism；dis-placementpressure

APPLICATIONOFK-MEANSMETHODSINTHESUBDIVISIONOFLAYERSOFTHECOMPLEXFAULTBLOCKRESERVOIRS

LUOShui-liang1，ZENGLiu-fang1，LILin-xiang1，YANXiao-yi2（1．GudongOilProductionPlant，ShengliOil-field，DongyingShandong257237，China；2．ChangqingCementerCompany，SichuanChangqingDrillingCo．，CNPC，Xi'anShaanxi710021，China）JOURNALOFSOUTHWESTPETROLEUMUNIVERSITY（SCIENCE＆TECHNOLOGYEDITION），VOL．32，NO．6，98－102，2010（ISSN1674-5086，inChinese）

Abstract：LowerEs3ofBijiafaultblockinBinnanOilfieldwhichcontainsasmanyas58oilsubzonesverticallybe-longstotheoilfieldofmulti-layersandstoneandstrongheterogeneityreservoir．Withthedevelopmentofexploita-tion，conflictsbetweentheselayersareincreasing．Onthebasisofcomprehensiveanalysisofgeologicfeaturesandweproposeacriterionforquantitativelyclassifyingdevelopmentzonesbydevelopmentcharacteristicsoftheoilfield，

hierarchicalclusteringsubzoneswithK-meansmethod，whichproveseffectiveindirectingclassificationofdevelop-mentlayers．Inthispaper，wepresentsthelayerdivisioncriterion，basedonwhichwedividedLowerEs3ofBijiafaultblockinBinnanOilfieldintothreesetsofdevelopmentzonesandalsodirectedbyeconomicaltheoryandnu-mericalsimulationtechnology．ResearchpracticeshowsthatthepresentedlayerdivisionmethodusingK-meansisreliable，andtheoilrecoveryisobviouslyenhanced．

Keywords：complexfaultblockreservoir；productionlayer；K-meansalgorithm；numericalsimulation；clusteringa-nalysis；BinnanOilfield

NUMERICALSIMULATIONOFTHERICHGASMISCIBLEFLOODINGINALGEROILFIELD

22WEIXu-guang1，，WANGSheng-kui1，（1．SchoolofPetroleumEngineering，SouthwestPetroleumUniversity，

ChengduSichuan610500，China；2．SINOPECInternationalPetroleumExplorationandProductionCorporationAlge-riaBranch，HaidianBeijing100083，China）JOURNALOFSOUTHWESTPETROLEUMUNIVERSITY（SCIENCE＆VOL．32，NO．6，103－106，2010（ISSN1674-5086，inChinese）TECHNOLOGYEDITION），

Abstract：Numericalsimulationisanimportantmethodtoverifytheresultsofindoortestofmiscibleflooding，toan-alyzethesensitivityandtooptimizetheinjectingprogram．Resultsofthenumericalsimulationofreservoirfluidsandmisciblesimulationoflong-tubeandwellgroupareconsistenttotheindoorexperimentalresults．Theresultofnu-mericalsimulationshowsthattheMMC，composedofGPLandgaswithamolproportionof37．1∶62．9，canbemis-cibledwithcrudeoilundertheconditionofreservoir，whichiscoincidentwiththeresultofindoorexperiment．Basedontheanalysisofpressure，temperatureandsensitivityofinjectingparameters，WAGisrecommendedinsectorⅣ（

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