Apparatus and method for rotary steering
US9702193B2 · kind B2 · utility
0Cited by
4References
21Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 30, 2011 |
| Grant date | Jul 11, 2017 |
| Priority date | — |
| Expiry date | Nov 17, 2032 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B44/00
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A method and system for steering a rotary steerable tool in a borehole. A method includes rotating a deflection sleeve about a steerable shaft. A deflection ramp is aligned to deflect the shaft in a predetermined direction by the rotating. The deflection sleeve is axially displaced along the steerable shaft. The steerable shaft is deflected by the displacing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.