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介绍了任４５６井井漏原因及堵漏经验。探讨了在潜山地层定向井中采用低密度桥接堵漏剂和改进的井身结构处理井漏的必要性和有效性。推荐了定向井大段划眼及石灰乳堵漏的技术措施。
Describes the cause of well leakage and the plugging experience of No.456 well. The necessity and effectiveness of using low density bridging plugging agent and improved well structure to deal with lost circulation in the directional wells of buried hill are discussed. Recommended technical and directional wells large limestone plugging technical measures.