发明名称 Top drive stand compensator with fill up tool
摘要 A compensation and fill up assembly comprises a slip assembly for engaging a tubular and a compensation assembly for supporting a weight of the tubular when engaged by the slip assembly. The compensation and fill up assembly further comprises a fluid swivel and a fill up tool coupled to the fluid swivel by a fluid shaft. The fill up tool is insertable into and rotatable with the tubular using the fluid swivel.
申请公布号 EP2832951(A3) 申请公布日期 2015.12.02
申请号 EP20140178414 申请日期 2014.07.24
申请人 WEATHERFORD/LAMB INC. 发明人 WOOD, KEVIN;HOLLINGSWORTH, JIM;HILL, TROY F
分类号 E21B19/16;E21B19/07;E21B19/08;E21B21/02 主分类号 E21B19/16
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