Temperature's effect on casingjoint sealing and casing additional loads is discussed in this paper.
本文主要讨论了温度对套管接头密封性能的影响和温度对套管附加载荷的影响。
2
There exists a spiral clearance space in the API round thread casingjoint which is effected by the thread tolerance ranges.
API套管圆螺纹自身存在牙间间隙，并形成螺旋状空间间隙带。
3
A float collar is placed at the top of the float joint and a float shoe placed at the bottom to prevent reverse flow of cement back into the casing after placement.