聚合物微球提高油田采收率的研究与应用  

Research and application progress of polymer microspheres in the field of enhanced oil recovery

作　　者：龙远 刘洋[3] 向澳洲 刘玉龙 孔维达 LONG Yuan;LIU Yang;XIANG Aozhou;LIU Yulong;KONG Weida(College of Petroleum Engineering,Yangtze University,Wuhan 430100,China;Key Laboratory of Drilling and Production Engineering for Oil and Gas,Wuhan 430100,China;Sichuan Northeast Gas Mine,PetroChina Southwest Oil and Gas Field Branch,Dazhou 635000,China)

机构地区：[1]长江大学石油工程学院,湖北武汉430100 [2]油气钻采工程湖北省重点实验室,湖北武汉430100 [3]中国石油西南油气田分公司川东北气矿,四川达州635000

出　　处：《精细石油化工进展》2022年第1期8-13,共6页Advances in Fine Petrochemicals

摘　　要：聚合物微球是提高油田采收率最常用的新型高分子材料之一。本文详细介绍了聚合物微球粒径与地层孔喉的匹配关系、聚合物微球的运移机制,综述了聚合物微球的主要合成方法,即反相乳液聚合、反相微乳液聚合、反相悬浮聚合、分散聚合和无皂乳液聚合,着重分析了聚合物微球在油田调驱、堵水两方面的研究进展和应用现状,并总结了目前的研究和应用中存在的不足,对推动和促进聚合物微球在提高原油采收率方面的研究与应用具有一定的指导意义。Polymer microsphere is a new type of polymer material,which has been widely used in the field of oilfield development.In this paper,the matching relationship between the particle size of polymer microspheres and pore throat of formation and the migration mechanism of polymer microspheres were introduced in detail.Five main synthesis methods of polymer microspheres were reviewed:inverse emulsion polymerization,inverse microemulsion polymerization,inverse suspension polymerization,dispersion polymerization and soapfree emulsion polymerization.The research progress and application status of polymer microspheres in oil field regulation and flooding and water shutoff were analyzed emphatically,and the deficiencies in current research and application were summarized.It had certain guiding significance to promote the research and application of microsphere polymer in enhancing oil recovery.

关 键 词：原油采收率 聚合物微球 聚合物微球合成方法 调剖性能 堵水性能 油藏渗透率 

分 类 号：TE357.46[石油与天然气工程—油气田开发工程]