发明名称 |
TUBULAR HANDLING APPARATUS |
摘要 |
In one embodiment, a tubular gripping assembly for use with a top drive to handle a tubular includes a tubular gripping tool having a mandrel and gripping elements operatively coupled to the mandrel; and a link assembly attached to the mandrel, wherein a load of the link assembly is transferred to the mandrel. In another embodiment, the tubular gripping assembly includes a swivel having selectively actuatable seals. In yet another embodiment, the tubular gripping assembly includes a thread compensator to facilitate tubular make-up. In yet another embodiment, the tubular gripping assembly includes a wedge lock release apparatus to facilitate the release of gripping elements from the tubular. |
申请公布号 |
EP3121367(A2) |
申请公布日期 |
2017.01.25 |
申请号 |
EP20160175270 |
申请日期 |
2009.05.04 |
申请人 |
Weatherford Technology Holdings, LLC |
发明人 |
LIESS, Martin;HOOKER, John D.;GROSCH, Reinhard;KOTSCHY, Thomas;CARLSSON, Andreas |
分类号 |
E21B17/03;E21B3/02;E21B19/16 |
主分类号 |
E21B17/03 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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