发明名称 |
Downhole motor with locking mechanism |
摘要 |
A down hole motor assembly with a locking mechanism, and methods for operating said down hole motor assembly. The down hole motor has a housing operatively connectable at an upper end to a drill string. A shaft is disposed within the housing and operatively connected to a motor portion of the down hole motor. A locking mechanism is configured to selectively transmit torque from the housing to the shaft when engaged. |
申请公布号 |
GB2410760(B) |
申请公布日期 |
2008.06.18 |
申请号 |
GB20050002523 |
申请日期 |
2005.02.07 |
申请人 |
SMITH INTERNATIONAL INC |
发明人 |
KENNETH M NEVLUD;TIMOTHY P BEATON |
分类号 |
E21B4/20;E21B4/00;E21B4/02;E21B17/03 |
主分类号 |
E21B4/20 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|