碎屑岩油藏聚合物微球调驱参数优化研究  

Optimization of polymer microspheres flooding parameters in clastic reservoir

作　　者：王珂[1] Wang Ke(Sinopec Northwest Oil Field Branch Production Plant,Urumqi 830011)

机构地区：[1]中国石化西北油田分公司采油一厂,新疆乌鲁木齐830011

出　　处：《石化技术》2023年第11期143-145,151,共4页Petrochemical Industry Technology

摘　　要：针对碎屑岩油藏特点,优选聚合物微球开展深部调驱,并分析了聚合物微球特点及调驱机理,开展了聚合物微球调驱适应性分析,确定了选井条件,优选出实验区块,按照实验区块油藏物性特征合理匹配聚合物微球粒径,研发出适合目标区块油藏物性特征的耐高温高盐聚合物微球。开展驱替试验研究,优选出合理的注入速度、注入浓度和注入量等参数,优化了注入工艺。现场实施后表明:注水井实现了连续注水,注入压力上升,油井动液面上升,含水下降,实现了良好的增油效果。According to the characteristics of clastic rock reservoir,polymer microspheres are optimized for deep profile control and flooding.Reasonably matching the particle size of polymer microspheres according to the physical characteristics of the target well group,selecting reasonable parameters such as injection rate,injection concentration,and injection amount.After on-site implementation,the injection well achieved continuous water injection,with an increase in injection pressure,an increase in the dynamic liquid level of the oil well,and a decrease in water content,showing good oil increase effect.

关 键 词：聚合物微球 深部调驱 参数优化 

分 类 号：TE3[石油与天然气工程—油气田开发工程]