延长油田延安组油藏优化注水技术

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英文篇名：Optimal Water Injection Technology for Yan′an Formation Reservoir in Yanchang Oilfield 作者：张景皓 ; 李浩 ; 陈静 ; 艾小凡 英文作者：ZHANG Jing-hao;LI HAO;CHEN JING;AI Xiao-fan;Yanchang Petroleum,Co.Ltd.,Water Injection Project Area Management Headquarters;Xingzichuan Oilfield; 关键词：延安组油藏 ; 注水开发 ; 注水方式 英文关键词：Yan′an formation reservoir;;waterflooding development;;water injection mode 中文刊名：YSZR 英文刊名：Journal of Yanan University(Natural Science Edition) 机构：延长油田股份有限公司注水项目区管理指挥部;杏子川采油厂; 出版日期：2019-06-20 出版单位：延安大学学报(自然科学版) 年：2019 期：v.38;No.126 语种：中文; 页：YSZR201902019 页数：5 CN：02 ISSN：61-1230/N 分类号：84-88

摘要

以延长油田西部延安组注水油藏为研究对象,针对目前油藏含水上升快,注采关系不对应,水驱控制程度低等问题,以实现均衡温和注水、提高最终采收率为目的。主要做法是纵向上对开发层系进行精细划分,减小层间干扰,平面上根据该区油藏开发特征对井网进行优化调整,以边缘注水和点状注水相结合的方式提高注水效率、对采油井增产措施与参数优化并举以达到驱替和压力平衡。本文以老庄区块注水开发为例,为延长油田延安组注水开发区块的开发提供了经验。
        Taking the water injection reservoir of Yan′an formation in the west of Yanchang Oilfield as the research object,aiming at the problem of rapid rise of water cut,non-coresponding injection-production relationship and low degree of water drive control,in order to realize balanced and mild water injection and improve final oil recvery.The main method is to carry on the fine division of the development layer sevies vertically,reduce the interlayer interference,optimize and adjust the well pattern according to the reservoir development charactieristics in this area,improve the water injection efficiency by the combination of edge water injection and point water injection,and improve the water injection efficiency by combining edge water injection with point water injection.The stimulation measures and parameter optimization of production wells are carried out at the same time in order to achieve the balance of displacement and pressure.Taking the waterflooding development in Laozhuang block as an example,this paper provids experience for the develpment of Yan′an formation weterflooding block in Yanchang Oilfield.

引文

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