孤岛油田聚驱后井网调整非均相复合驱提高采收率先导试验

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1、孤岛油田聚驱后井网调整非均相复合驱提高采收率先导试验PilotTestofHeterogeneouscombinationfloodingwithwellpatternadjustmentinreservoirafterpolymerfloodingatGudaooilfield演讲人：李振泉ZhenquanLi中国石化(SINOPEC)2013年9月前言(Overview)2010年7月，中国石化在胜利油田孤岛中一区Ng3开展了聚驱后油藏进一步提高原油采收率先导试验，采用“井网调整非均相复合驱”技术，矿场实施降水增油显著，预计提高原油采收率8.5%，最终采

2、收率可达到63.6%。ApilottestforfurtherenhancedoilrecoveryafterpolymerfloodingwasperformedatGudaooilfield’sZYQNg3unitinJuly2010.Anoveltechnologyof“heterogeneouscombinationfloodingwithwellpatternadjustment”wasdeveloped.Remarkableperformancehasbeenachievedintermsofoilproductionincreaseandwat

3、ercutdecrease.Theenhancedoilrecoveryisestimatedtobe8.5%andthefinalrecoverycouldreach63.6%OOIP.目录(Contents)1.先导试验区概况Introductionofpilotarea2.井网调整非均相复合驱方案设计SchemedesignofWPAandHCF3.先导试验矿场实施效果Performanceofpilottest1.Introductionofpilotarea(1)试验区基本情况(Generaldescriptionofthepilotarea)孤岛

4、中一区Ng3先导试验构造图(Welllocationmapofthepilotarea)20-4019N2117-02220N3617-22118-2117G2117N1818-02118-32118N02118-2016-32117-02017-32020-3218-31915-1915-01916-1917N19030060090016-41919-916214-32017-1817-71820-2820-415含油面积(oil-bearingarea):0.275km18-1714-31921N1315-31919-1512-42120-32616-

5、31717-31713N1813G1717-21718-31520N2414-1719-7137N199N1910-31915-1515-41519-41321-1312-31716-156-4209-1811-1616X01517-1417-0142X204-3215-72015-21517-21518-1314-31518-0132-1911-1513-31715-01315-31518-91419-1143-195-197-1716-3198-31711-41512-1516-01316-31320N18地质储量(OOIP):123×10ton1-7

6、2013-1417-1217-31218-2110-3195-189-31710-31514-1314-01318-3112-3176-4177-1511-31514-41314-21315-1115-21120-1521-93-1717-41512-N31315-011X2-4188-1513X31216N1116-01116-41117-100-174-3175N3168X8159-1417-01017-4100-4171-41810-1311J1114-31118-918X0092-156-31517N919-70-3153-155N157N31512

7、N1112-1115-60916-30919-80719X0078-31316X0094-1513N1013-1017X0081-3152X0133-3134-4155-149-31315XNB718-307X2-1412-135-4146-136N1311-31114-914N914-40915-718X00721--6有效厚度(thickness):24m7N1111X30912-30915X00716XN78N1114G102-5134-3135-31316-70N130-4131-149N1017Q61-4146-31310N910-910-409

8、14X30814-817-4062-116-6111