【摘要】 针对胜利孤东油田油井漏失严重问题,研制了用有机硅改性处理的水溶性暂堵剂。室内实验表明,该堵剂可使岩心堵塞率达到90％以上,用地层水长时间冲刷后,渗透率恢复值在85％以上。10口井的现场试验结果表明,该堵剂对漏失速度超过0.4 m~3/min、含水量98％以上的特高含水井有较好的防漏暂堵保护效果。更多还原

【Abstract】 A water soluble plugging agent modified by organic silicate resin was developed to solve the problem of serious oil-well loss in Shengli Oilfield. Laboratory test shows that core plugging rate by using the agent is over 90%,recovered rate of permeability is over 85% after washing with water for a long period of time. Oilfield tests of 10 wells show that the agent can effectively protect oil-wells with 0. 4 m3/min loss rate and 98% water content from loss.更多还原