- 专利标题： Oscillating mud motor
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申请号： US14965814申请日： 2015-12-10
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公开(公告)号： US10024102B2公开(公告)日： 2018-07-17
- 发明人: Sarah Mitchell , Philip Wayne Mock
- 申请人： WWT NORTH AMERICA HOLDINGS, INC.
- 申请人地址： US TX Houston
- 专利权人： WWT North America Holdings, Inc.
- 当前专利权人： WWT North America Holdings, Inc.
- 当前专利权人地址： US TX Houston
- 代理机构： Lewis Roca Rothgerber Christie LLP
- 主分类号： E21B4/02
- IPC分类号： E21B4/02 ; E21B17/14
摘要：
An oscillating mud motor having a valve section and a piston section positioned within a hollow cylindrical housing wherein the valve section comprises a timing cycle valve and a spool valve which hydraulically controls rotational movement of a piston on a central shaft in the piston section for linear reciprocation within the housing.
公开/授权文献
- US20160168912A1 OSCILLATING MUD MOTOR 公开/授权日：2016-06-16
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