聚驱后剩余油再认识及挖潜技术应用.pdfVIP

2010年 8月 大庆石油地质与开发 Aug．，2010 第 29卷第4期 Petroleum GeologyandOilfieldDevelopmentinDaqing V01．29No．4 DoI：10．3969／J．ISSN．1000—3754．2010．04．016 聚驱后剩余油再认识及挖潜技术应用 肖丽华 (大庆油田有限责任公司第一采油厂，黑龙江 大庆 163000) 摘要：在充分研究油层沉积特点的基础上，应用储层描述技术对典型区块进行层内建筑结构解剖，描述聚驱后剩 余油分布特征，对聚驱后剩余油进行再认识，并将聚驱后剩余油再认识成果应用于措施挖潜中。通过实施成熟 技术，探索新技术，实现挖潜对象由层间深入到层内，由层内深入到结构单元，最大限度地挖掘聚驱后剩余储 量。试验表明，对聚驱后剩余油挖潜工作应采用配套调整技术，配套技术的核心是通过井组间、层系间、厚油 层 内部匹配调整，扩大注入水波及体积，改变液流方向，提高油层动用程度。 关 键 词：聚驱后 ；剩余油；层内挖潜；厚油层 中图分类号：TE343 文献标识码：B 文章编号：1000—3754 (2010)04-0074-03 FURTHER UNDERSTANDING oF REMAINING oIL AFTER PoLYM ER FLooDING AND THE APPLICATIoN oF POTENTIAL TAPPING TECHNoLoGY XIA0Li．hua (No．1OilProductionCompanyofDaqingOilfieldCompanyLtd．。Daqing163000，China) Abstract：Basedonfullresearchonsedimentaryfeaturesofoillayerandthroughtheapplicationoffinereservoir description technoloyg ，remaining oilisnewlyrecognized by dissecting intraformationalarchitectureoftypical blocksandthedescriptionofremainingoildistributionafterpolymerflooding．Theachievementsoffurtherunder— standingofremainingoilhavebeenapplied intothemeasuresoftappingpotentia1．Thetargetareasforpotential tappingaredeepenedfrom interlayertointralayer，andthenfrom intralayertostructuralunitbyusingmatureteeh- nologiesandexploringnew technologies，SOastotaptheremainingreservesafterpolymerfloodingtotheutmost． Experimentsindicatethatthematchingadjustmenttechnologiesshouldbeadoptedtotappotentialafterpolymer flooding，andthecoreofmatchingtechnologiesistheadjustmentsbetweenwellgroups，interlayersystemandintra thicklayers，inthehopeofexpandingwaterfloodsweptvolume，changingtheflow directionoffluidandfinallyen— hancingreservoirproducingdegree． Keywords：post—polym