Pipe String Structure

Pipe string structure, mechanism of this technique, technique feature and application in field are introduced.

介绍了其管柱结构、工艺原理、技术特点及现场应用情况。

For the well completion method by slotted liner, well completion parameters, single slotted liner length and pipe string structure in well completion are optimized.

针对割缝衬管完井方法，进行了完井参数、单根割缝衬管长度、完井管柱结构的优化设计。

The swing arms are fastened to the inside structure of the mast, and permit the pipe rack to be low-ered from the stored position to the centerline of the drill string.

两个悬臂则固定在支架的内部结构上，并允许管架从贮存位置降到钻柱中线上。