【摘要】 随着油井深度增加、环境不断恶化,按AP I标准生产的螺纹接头又难以满足油井的需要,新开发的特殊螺纹接头应用范围不断扩大。介绍了国外开发的2种典型特殊螺纹接头及其设计特点。特殊螺纹接头的市场前景广阔.本文对两种油、套管特殊螺纹接头进行了简单介绍,指出了在我国推广应用特殊螺纹接头油、套管的前景、发展方向和应注意事项。更多还原

【Abstract】 due to increasing oil well depths as required,and worsening working conditions,standard API threaded can hardly need for oil field,where newly developed premium thread-joints are being used more and more widely,Described here are several typical PJs.This article gives a brief introduction to the two kinds of tube and the casing pipe for and makes a brief summary of their use in China.It is pointed out in this article that the attention should be paid to their future development in China.更多还原