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 US2009274545(A1) 申请公布日期 2009.11.05
申请号 US20090435346 申请日期 2009.05.04
申请人 LIESS MARTIN;HOOKER II JOHN D;GROSCH REINHARD;KOTSCHY THOMAS;CARLSSON ANDREAS 发明人 LIESS MARTIN;HOOKER, II JOHN D.;GROSCH REINHARD;KOTSCHY THOMAS;CARLSSON ANDREAS
分类号 E21B19/06;E21B19/00;E21B19/10;F16D1/00;F16L27/00 主分类号 E21B19/06
代理机构 代理人
主权项
地址
您可能感兴趣的专利