G105反扣钻杆胀扣失效分析  

Failure Analysis on Tool Joint Expansion of G105 Drill Pipe with Left Hand Thread

作　　者：王治国[1] 刘甫清[1] 张毅[1] 

机构地区：[1]宝钢股份公司钢管分公司,上海201900

出　　处：《宝钢技术》2001年第1期19-21,共3页Baosteel Technology

摘　　要：:G1 0 5反扣钻杆在油田使用过程中发生胀扣失效。为寻找胀扣失效的原因 ,首先分析了钻杆在服役过程中的载荷情况 ,然后通过计算机工况仿真得到了钻杆在不同载荷条件下的失效形式 ,说明钻杆胀扣主要是由于工作扭矩超过了钻杆工具接头应有的实际抗扭屈服能力造成的。To find the cause of tool joint expansion failure during the application of G105 drill pipe with left hand thread in oilfield,the loading conditions of drill pipe in service are analyzed at first.Then various failure types under different loading conditions presented by computer numerical simulation indicate that tool joint expansion failure is due to work torsion exceeding the should having torsibility of the tool joint.

关 键 词：钻杆 胀扣 工况仿真 有限元 失效分析 油田 反扣钻杆 

分 类 号：TE921.1[石油与天然气工程—石油机械设备]