发明名称 DRILLING MOTORS WITH ELASTICALLY DEFORMABLE LOBES
摘要 In an aspect, a drilling motor is provided that in one embodiment includes a stator and a rotor configured to be disposed in the stator, wherein the rotor includes a lobe member having an elastically deformable surface configured to provide an interference seal between the stator and the rotor.
申请公布号 US2013000986(A1) 申请公布日期 2013.01.03
申请号 US201113175093 申请日期 2011.07.01
申请人 BAKER HUGHES INCORPORATED;DICK AARON J. 发明人 DICK AARON J.
分类号 E21B4/00;B23P15/00 主分类号 E21B4/00
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