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1、2012年4月大慶石油地質(zhì)與開發(fā)Apr.,2012第31卷第2期PetroleumGeologyandOilfieldDevelopmentinDaqingV01.31No.2DOI:10.3969/J.ISSN.1000—3754.2012.02.013_--】L_-同Cj含水油田剩余油分布研究現(xiàn)狀與展望饒良玉吳向紅韓冬李賢兵(中國石油勘探開發(fā)研究院,北京100083)摘要:大部分國內(nèi)油田和海外開發(fā)油田已經(jīng)進入高含水期,探索高含水油田剩余油分布規(guī)律對油田高效、可持續(xù)開發(fā)具有重大意義。在大量文獻調(diào)研的基礎(chǔ)上,綜合國內(nèi)外微觀和宏觀剩余油分
2、布研究方法、主控因素及分布規(guī)律后認為,采取分層次、分規(guī)模剩余油分布研究策略有利于明確剩余油的優(yōu)勢潛力及挖潛技術(shù)方向,綜合多學科定量化表征剩余油分布有利于降低預測的不確定性,為更精準表征剩余油需大力發(fā)展地震、測井及大型精細化數(shù)值模擬技術(shù),微觀上需建立更完善的仿真模型及更先進的飽和度測量方法,宏觀上需加強天然能量驅(qū)動油藏及非常規(guī)油藏剩余油分布規(guī)律研究,完善以多層狀砂巖油藏注水開發(fā)為主導的剩余油分布模式,以改善高含水油田開發(fā)效果。關(guān)鍵詞:高含水油田;微觀剩余油分布;宏觀剩余油分布;提高采收率;油藏數(shù)值模擬中圖分類號:TE327文獻標識碼:A文
3、章編號:1000.3754(2012)02-0066-06CURRENTSTUDIESANDPRoSPECTSoFTHEREMAINEDoILDISTRIBUTIoNINHIGH.WATER.CUToILFIELDRAOLiangyu,WUXianghong,HANDong,LIXianbing(PetroChinaResearchInstituteofPetroleumExploration&Development,Beijing100083,China)Abstract:MostofthedevelopedoilfieldsinCh
4、inaandoverseashaveenteredintohigh—water-cutstage,SOtheex-plorationofthedistributionlawsoftheremainedoilpossessesveryimportantsignificancesforthehigh—eficiencyandsustainabledevelopmentoftheoilfields.Basedontheextensiveliteratureinvestigation,withthehelpofthein—tegrationof
5、thestudyingmethodsofthemicro—and—macroremainedoildistributionsathomeandabroad,majorcon—trollingfactorsanddistributionlaws,themulti—levelandmulti—scaleresearchstrategiesarethoughttobebeneficialtomakeclearoftheadvantagepotentialsandtappingtechnologies;integratingmulti—disc
6、iplinemethodstoquantati—tivelycharacterizethedistributionsoftheremainedoilcanreducethepredictionuncertainty.Formoreprecisecharacterization,itisrequiredthatthegreatadvancesofseismic,loggingandlarge—scalefinenumericalsimulatingtechniques:inthemicro-scale,itisneededtoestabl
7、ishmoreperfectrealisticsimulatingmodelandmoreadvancedsaturationmeasuringmethod;whileinthemacro—scale,moreattentionshouldbepaidtothestudiesoftheremained0ildistributionlawsinbothnaturalenergydrivenandunconventionaloilreservoirs,SOastoperfectthedistributionpatternoftheremai
8、nedoilinmulti-layersandstonewater—floodedreservoir,finallytoimprovethedevelopmenteffectsofthosehigh.wat