CAJ | 학술논문

针对孤岛油田中一区Ng3层段注聚合物后转后续水驱时对应油井聚合物产出浓度高的问题，开发出一套相应的调剖治理技术。综合考虑注聚合物井的渗透率、吸水剖面、注入动态、井口压降曲线及对应油井的聚合物产出浓度等因素，利用模糊综合评判原理优选出最佳的调剖井，并根据注入动态优化了堵剂类型和堵剂用量。在矿场实施后，处理井的视吸水指数下降，剖面得到改善，对应的油井聚合物浓度降低，日产油量增加。11口调剖井对应的49口油井中，见效35口，受效率达71.4％。说明这套调剖技术能有效地改善注聚合物后转后续水驱油田的开发效果。
침대고도유전중일구Ng3층단주취합물후전후속수구시대응유정취합물산출농도고적문제，개발출일투상응적조부치리기술。종합고필주취합물정적삼투솔、흡수부면、주입동태、정구압강곡선급대응유정적취합물산출농도등인소，이용모호종합평판원리우선출최가적조부정，병근거주입동태우화료도제류형화도제용량。재광장실시후，처리정적시흡수지수하강，부면득도개선，대응적유정취합물농도강저，일산유량증가。11구조부정대응적49구유정중，견효35구，수효솔체71.4％。설명저투조부기술능유효지개선주취합물후전후속수구유전적개발효과。
A comprehensive technology of profile control is presented. It has been used to solve the problem about high concentration of produced polymer in Zhong-1 block with water flooding method after polymer injection. The optimum candidate wells are selected by the fuzzy theory based on some factors, including permeability distribution, injection profile, injection performance, pressure pull off curve and the produced polymer concentration in correspondence with oil wells. The type and volume of profile control agent are designed according to the injection behaviors. After profile control of injection wells,the apparent water injectivity indices of the treated wells are declined, and the injection profiles are improved. The produced polymer concentration in correspondence with oil wells decreases, and the oil production rate increases. The oil production of 35 wells among 49 corresponding to oil wells increases. The develonent result of this block is improved.