The tie-back assembly is a special cementing tool for tieback operation.
与回接筒配套用于回接尾管的一种专用固井工具。
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。
How to protect the integrity of the rocks around the tunnel tieback is a crucial construction control point.
如何保护隧道式锚碇周围围岩的完整性是一项很关键的施工控制要点。
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。
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。
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