喇嘛甸油田厚油层精细控水挖潜技术

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1、2009年1O月大庆石油地质与开发0et．．2009第28卷第5期PetroleumGeologyandOilfieldDevelopmentinDaqingV01．28No．5DOI：10．3969／J．ISSN．1000—3754．2009．05．019喇嘛甸油田厚油层精细控水挖潜技术黄伏生赵云飞方亮(大庆油田有限责任公司第六采油厂，黑龙江大庆163114)摘要：喇嘛甸油田萨、葡油层以河流相沉积砂体为主，厚油层发育，层内非均质性严重。进入特高含水期后，厚油层内既存在严重的无效、低效循环，又存在相对富集的剩余

2、潜力。以沉积学理论为指导，通过现代沉积与野外露头考察，确定了厚油层内部4级界面3种基本分布模式，确定了结构单元4种组合类型，揭示了层内结构非均质特征。在深化储层精细描述的基础上，实现相控建模与精细数模一体化量化剩余油分布，搞清了注采无效循环场的分布特征。通过创新层内细分注水与层内精细堵水技术控制无效注采循环，并通过代用井补孔方法不断完善结构单元注采关系挖潜层内剩余油，有效地改善了喇嘛甸油田特高含水期油田开发效果。关键词：喇嘛甸油田；厚油层；控水挖潜；特高含水期中图分类号：TE323文献标识码：A文章编号：100

3、0-3754(2009)05-0106-06STUDYoNTECHNIQUESFoRFINEWATERCoNTRoLANDFURTHERDEVELoPMENToFTHICKRESERVoIRSINLAMADIANOILFIELDHUANGFu-sheng，ZHAOYun—fei，FANGLiang(No．6OilProductionCompany，DaqingOilfieldCompanyLtd．，Daqing163114，China)Abstract：SaertuFormationandPutaohuaFor

4、mationinLamadianOilfieldaremainlyfluvialsedimentarysandbodieswiththickreservoirsdevelopedandseriousintrastratalheterogeneity．AsLamadianoilfieldstepsintoultra·highwatercutstage，thereareseriouslyinvalidandloweficientcirculationsinthickreservoirswithrelativeenr

5、ich—mentofremainingoil．Guidedbysedimentationtheory，throughmodernsedimentationandoutcropssurvey，3basicdistributionpatternsoffour—levelinterfaceswithinthickreservoirs，aswellas4typesofstructuralunitcombination，aredetermined．Alsothecharacteristicsofintrastratals

6、tructureheterogeneityareidentified．Basedondeepeningreservoirfinedescription，integratedquantificationofremainingoilwithfacies-controlledmodelingandnumericalsimulationisrealized，anddistributioncharacteristicsofinjection—productioninvalidcirculationareunderstoo

7、d．Throughtheinnovationofintrastratalsubdivisioninjectionandfinewaterplugging，meanwhilebyusingsubstitutewellreperforating，injection／productionrelationinstructuralunithasbeenimprovedSOastoproduceintrastratalre—mainingoil，allofwhichhaveeficientlyimprovedthedeve

8、lopmenteffectofLamadianOifieldinultra—highwatercutstage．Keywords：LamadianOilfield；thickreservoirs；watercontrolproductiontechnique；ultra-highwatercutstage收稿日期：2009-05—18作者简介：黄伏生，男，1962年生，教授级高级_T程