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 US2013269926(A1) 申请公布日期 2013.10.17
申请号 US201313753242 申请日期 2013.01.29
申请人 WEATHERFORD/LAMB, INC. 发明人 LIESS MARTIN;HOOKER, II JOHN D.;GROSCH REINHARD;KOTSCHY THOMAS;CARLSSON ANDREAS
分类号 E21B19/06 主分类号 E21B19/06
代理机构 代理人
主权项
地址