发明名称 Rotating and reciprocating swivel apparatus and method with threaded end caps
摘要 What is provided is a method and apparatus wherein a swivel can be detachably connected to an annular blowout preventer while the drill string is being rotated and/or reciprocated. In one embodiment the sleeve or housing can be rotatably and sealably connected to a mandrel. The swivel can be incorporated into a drill or well string and enabling string sections both above and below the sleeve to be rotated in relation to the sleeve. In one embodiment the drill or well string does not move in a longitudinal direction relative to the swivel. In one embodiment, the drill or well string does move longitudinally relative to the sleeve or housing of the swivel.
申请公布号 US8579033(B1) 申请公布日期 2013.11.12
申请号 US201113086828 申请日期 2011.04.14
申请人 ROBICHAUX KIP M.;ROBICHAUX TERRY G.;MAKO RENTALS, INC. 发明人 ROBICHAUX KIP M.;ROBICHAUX TERRY G.
分类号 E21B7/12 主分类号 E21B7/12
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