Positive displacement motor (PDM) rotary steerable system (RSS) and apparatus
US9206644B2 · kind B2 · utility
11Cited by
18References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 13, 2013 |
| Grant date | Dec 8, 2015 |
| Priority date | — |
| Expiry date | Oct 12, 2033 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B17/0285
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A motor steering system includes a drill collar, a transmitter circuit having a power transmitting coil, a rotor, and a receiver circuit having a power receiving coil. The transmitter circuit is coupled to the drill collar and the receiver circuit is coupled to the rotor such that the transmitter circuit and the receiver circuit are positioned with respect to one another such that power is coupled from the power transmitting coil to the power receiving coil whereby the drill collar provides electric power to the rotor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.