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
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