发明名称 |
OSCILLATING MUD MOTOR |
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. |
申请公布号 |
US2016168912(A1) |
申请公布日期 |
2016.06.16 |
申请号 |
US201514965814 |
申请日期 |
2015.12.10 |
申请人 |
WWT NORTH AMERICA HOLDINGS, INC. |
发明人 |
Mitchell Sarah;Mock Philip Wayne |
分类号 |
E21B4/02;E21B10/26 |
主分类号 |
E21B4/02 |
代理机构 |
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代理人 |
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主权项 |
1. An oscillating mud motor comprising:
a valve section; and a piston section; wherein the valve section and the piston section are cylindrical and have a hollow interior, and wherein the valve section hydraulically controls rotational movement of the piston for linear reciprocation. |
地址 |
Houston TX US |