交联聚合物驱油技术研究及应用  

Research and Application of Crosslinked Polymer Flooding Technology

作　　者：曾显香[1] 徐建玉[2] 郑健[1] 石春生[3] 杨邦贵[4] 

机构地区：[1]胜利油田有限公司采油工艺研究院 [2]吉林油田分公司恒源石油天然气开发有限公司 [3]胜利有限公司孤岛采油厂 [4]胜利油田有限公司胜利采油厂

出　　处：《断块油气田》2003年第6期36-38,共3页Fault-Block Oil & Gas Field

摘　　要：交联聚合物驱油技术是聚合物驱油技术的发展和改善 ,与单纯聚合物相比 ,该体系具有抗剪切、耐温耐盐、在多孔介质中阻力系数大等特点 ,能较大程度改善油藏非均质程度 ,提高原油采收率。以其作为驱油体系具有创新性 ,可更好地适应高含水期油藏特性 ,是一种集调剖和驱替于一体的新型驱油技术。文中对交联聚合物的交联机理进行了探讨 ,给出了室内评价结果 ,分析了该技术在孤岛油田渤 1 9块的应用效果 ,现场应用表明 ,该技术增油降水效果显著 ,是比较理想的提高EOR的新方法。Crosslinked polymer flooding technology is development and improvement of polymer displacement technology.The system has some characters of shear resistance,thermal stability,salinity stability and high residual resistance factor in porous medium compared with polymer displacement.It can improve reservoir heterogeneity and enhance recovery efficiency greatly.It is a new flooding technology combine with profile modification and displacement,and due to the innovation as oil flooding system,it can be more suitable to the high water reservoirs.In this paper the discussion about the crosslinking mechanism of crosslinked polymer and the result of lab research are given.The application effect of the technology in Bo19 block of Gudao oilfield is analyzed.Result applying shows that this technology is a effective EOR method and it can increase oil production and decrease water cut obviously.

关 键 词：交联聚合物 聚合物驱油 渤19块 采收率 化学交联机理 驱油效率 

分 类 号：TE357.46[石油与天然气工程—油气田开发工程]