国外油井管特殊扣的主要类型及其特点

Main Types and Characteristics of Premium Threads of Foreign Oil Well Pipes

介绍了国外油井管生产和应用比较广泛的几种主要特殊扣TM、SE-EF、NK3SB、NSCC、SEC、VAM、BDS、FOX等的接头类型及其结构形式,并分析了各种特殊扣的特点和优点及其使用情况。指出了我国研制开发具有自主知识产权,能形成中国品牌效应的特殊扣油井管的发展方向。

Described here in the paper are the connection types and structures of several major commonly- manufactured/used foreign premium threads of oil well pipes namely, TM, SE-EF, NK3SB, NSCC, SEC, VAM, BDS and FOX. Also discussed are the characteristics/advantages/applications of these premium threads. Predicted is the orientation of developing domestic IPR-owning and brand premium threads of oil well pipes.