国内外堵漏剂的研究进展

Research Progress of Plugging Agent at Domestic and Foreign

堵漏剂能有效降低钻井过程中井漏的发生率,减少经济损失。本文主要介绍了国内外新型堵漏剂的研究进展,包括桥接型堵漏剂、高失水堵漏剂、暂堵型堵漏剂、膨胀类堵漏剂、水泥速凝类堵漏剂、可固化型堵漏剂和复合材料堵漏剂。对各类堵漏剂做出了比较和评价,并对以后堵漏剂的研究和发展方向提出了建议。

Plugging agent could be used to effectively reduce the incidence of lost circulation and decrease economic loss. This paper mainly introduced the research progress of new plugging agent at domestic and foreign,including bridging plugging agent,high dehydration plugging agent,temporary plugging agent,expansion plugging agent,cement quick setting plugging agent,curing plugging agent and composite plugging agent. Various plugging agents were compared and evaluated. And some suggestions were provided for the relevant researches and developments which were expected in the future.