| 发明名称 |
APPARATUS AND METHOD FOR CONTROLLING OR LIMITING ROTOR ORBIT IN MOVING CAVITY MOTORS AND PUMPS |
| 摘要 |
A moving cavity motor or pump, such as a mud motor, comprising: a rotor, a stator, and one or more apparatus for constraining (i.e., controlling or limiting) the movement of the rotor relative to the stator. |
| 申请公布号 |
US2012132470(A1) |
申请公布日期 |
2012.05.31 |
| 申请号 |
US201113300446 |
申请日期 |
2011.11.18 |
| 申请人 |
JARVIS BRIAN P.;WILCOX NIGEL;WILLIAMS BRIAN;UNDERWOOD LANCE;MURRAY WILLIAM;CARIVEAU PETER THOMAS;SMITH INTERNATIONAL, INC. |
发明人 |
JARVIS BRIAN P.;WILCOX NIGEL;WILLIAMS BRIAN;UNDERWOOD LANCE;MURRAY WILLIAM;CARIVEAU PETER THOMAS |
| 分类号 |
E21B7/00;B23P15/00;E21B4/00;F01C1/10 |
主分类号 |
E21B7/00 |
| 代理机构 |
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