| 发明名称 |
ELECTRICAL TRANSMISSION APPARATUS THROUGH ROTATING TUBULAR MEMBER |
| 摘要 |
The present invention provides an apparatus for the communication of power or data signals across the rotating gap of two tubular members, such as the stator and rotor of a mud motor, and between said rotating members of a drill string through inductive couplers located axially along the drill string.
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| 申请公布号 |
CA2524681(A1) |
申请公布日期 |
2006.04.27 |
| 申请号 |
CA20052524681 |
申请日期 |
2005.10.25 |
| 申请人 |
SCHLUMBERGER CANADA LIMITED |
发明人 |
DOWNTON, GEOFF;BOYLE, BRUCE W. |
| 分类号 |
E21B7/06;E21B;E21B17/02;E21B41/00;E21B47/12 |
主分类号 |
E21B7/06 |
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