n.牵索；拉条；横梁；系梁

Casing tieback is a special technology usually used in offshore drilling. 套管回接技术为海洋石油钻井工程的一项特殊钻井工艺技术。

This paper introduces the procedure, mechanism and operation of wellhead tieback techniques and points out the problems necessary to be solved. 本文介绍了井口回接作业的程序、机理、作业施工情况,并指出了需改进的地方。

YAXIYA is an strong home textile enterprise with the main products of tassel,fringe,bullion,cord,tieback,etc.YAXIYA has been dedicated to p.. 生产加工)主营：流苏;装饰花边;珠边;磁扣花;挂件吊坠;绳子;窗帘吊穗;排苏;

In the operation process,the tool matching preparation,the technology of casing cutting and milling and the casing tieback are researched. 在取换套管施工过程中，对工具的配套准备、套管割铣工艺及套等回接技术等进行了应用研究，取得了良好的效果。

The new type drilling liner tieback equipment and cementing technology are developed because of the annular gas channeling in high-pressure oil-gas well after cementing. 针对高压油气井固井后经常会出现环空窜流问题,研制了新型尾管封隔回接装置,该回接装置主要包括铣鞋、回接插头、节流浮箍,可磨铣回接筒上端和内表面的水泥残留物;