石油钻铤螺纹联接失效的机理分析  

The Failure Mechanism Analysis for Collar Connection Thread

作　　者：张焱[1] 刘坤芳[1] 曹里民 余雷[1] 喻晨[1] 吴爽[1] 施太和[2] 

机构地区：[1]辽河石油勘探局工程技术研究院,辽宁盘锦124011 [2]西南石油学院石油工程系,四川南充637001

出　　处：《探矿工程》2000年第6期47-50,共4页Exploration Engineering(Drilling & Tunneling)

摘　　要：总结和讨论了钻铤螺纹联接失效的类型和失效机理 ,指出了现场施工中可能存在的潜在因素。还明确指出了FH型、IF型接头之所以要淘汰的原因 。The paper summarizes and discusses the failure types and failure mechanism of collar connection thread in detail. The possible factors that exist in oilfield site and may affect the connection thread have been pointed out. At the same time, the paper shows the causes that FH thread and IF thread should be abandoned.The number NC thread connection is been advised to use in all oilfields in China.

关 键 词：石油钻铤 联接强度 失效类型 螺纹联接 

分 类 号：TE921.2[石油与天然气工程—石油机械设备]