【摘要】 油井堵水技术分为机械和化学两大类 ,化学堵水又分为非选择性和选择性堵水 ,选择性堵水根据其使用溶剂的类型主要分为水基堵水剂、醇基堵水剂和油基堵水剂更多还原

【Abstract】 Water plugging technologies used in oil wells were di vided into physical and chemical methods. The latter methods were divided into s elective ones and nonselective ones. Selective water plugging agents consisted o f water-based, alcohol-based, and oil-based agent according to the solvents used .更多还原