裂缝性储层屏蔽暂堵技术与解堵技术研究

Research on the Shielding Temporary Plugging and Blockage Removing in Fractured Reservoir

黄志文 李云波 关富佳 刘建民

HUANG Zhi-wen LI Yun-bo GUAN Fu-jia LIU Jian-min

中国地质大学 石油系, 湖北 武汉 430074; 江汉油田 一矿 采油二队 湖北 潜江 433100

Petroleum Department, China University of Geosciences, Wuhan 430074, China; The Second Oil Production Team of Jianghan Oilfield, Qianjiang 433100, China

根据对碳酸盐岩储层岩性、物性和敏感性的分析,室内优化了保护裂缝性碳酸盐岩储层的钻井完井液的性能参数,并对碳酸盐岩储层的水锁效应及应力敏感性进行了评价。并且对封堵的地层进行成功的解堵。所以对裂缝性油藏暂堵并不是关键,关键是成功的封堵之后成功的解堵。

Through analysis of lithology, physical characteristics and sensitivity of carbonate reservoir, drilling/completion fluids for protecting fractured carbonate rock reservoir were developed. Water locking and stress sensitivity of carbonate reservoir were evaluated and used to remove blockage of temporary plug-ging reservoir successfully,so the key point is how to remove the temporary plugging successfully.