钻杆性能特性

[中文适用范围]： 本标准包括某些钻杆元件的性能特性，并提供了关于使用性能特性的一般注意事项。给出了钻杆和工具接头、钻铤、加重钻杆、方钻杆、钻头和提升短节的特性。还提供了旋转台肩连接和相关特殊工艺的特性，以及磨合步骤。 [外文原描述]： This standard includes the performance properties for certain drill stem elements and gives general cautions regarding the use of the performance properties. The properties of drill pipe and tool joints, drill collars, heavy weight drill pipe, kellys, rock bits, and lift subs are given. Also provided are the properties of rotary shoulder connections and associated special processes, and break-in steps.