When big oilfields enter into the late development stage, the casing deformation,cracking and leaping happen more and more. The annually increase of the casing damage wells influence the production effect greatly.
随着各大油田进入开发后期，套管发生变形、破裂、错断等损坏的现象越来越严重，油田套损井数量逐年增多，对油田的开发效果造成巨大的影响。
参考来源 - 胜利东辛采油厂广利油田油水井套管损坏机理与防治对策研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Adjustment Wells have to be drilled to renew the abandoned because of casing damage in this area.
为确保油田产量，每年需在同区块钻相应数量的调整并以补充因套管损坏等原因报废的井。
Table 1 summarizes the casing damage observations in these Wells.
表1总结了这些水井套管损坏的意见。
This paper discussed the main reason of casing damage for oil-water Wells in block Hu 5.
讨论了胡状集胡五块油水井套管损坏的主要原因。
应用推荐