发明名称 PIPE HANDLING DEVICE, METHOD AND SYSTEM
摘要 A pipe handling device for mounting to use with a top drive and possibly a pipe engaging apparatus, includes a link arm having a first end pivotally connectable to move with the top drive and an outboard end pivotally connectable to a pipe elevator segment, and a drive system to drive the outboard end of the link arm at least between a lower position and a raised position. A pipe handling system and method are also described.
申请公布号 CA2448841(C) 申请公布日期 2012.05.15
申请号 CA20032448841 申请日期 2003.11.10
申请人 TESCO CORPORATION 发明人 BEIERBACH, EVERT;NIKIFORUK, KEVIN J.
分类号 E21B19/00;E21B19/06;E21B19/16 主分类号 E21B19/00
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