API石油专用管材螺纹和螺纹脂的发展

THE DEVELOPMENT OF API OIL COUNTRY TUBULAR GOODS THREAD AND LUBRICANT OF THREAD

文章介绍了石油专用管材的组成,石油螺纹分类及其密封的三种形式,叙述了石油螺纹脂的作用和发展历史,指出了石油螺纹脂要解决的问题是辅助螺纹密封,保证在一定压力和温度下不泄漏。

This paper introduced the component of oil country tubular goods (OCTG), the classification of OCTG thread and thread sealing′s 3 forms , described the development history of lubricant of thread and its action ,that is auxiliary thread sealing and ensuring unleaking in certain pressure and temperature.