Orientation tool
US7467672B2 · kind B2 · utility
10Cited by
20References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 5, 2006 |
| Grant date | Dec 23, 2008 |
| Priority date | — |
| Expiry date | Mar 8, 2027 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B7/068
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
An orienting apparatus including at least one housing element configured to couple with a drill string; an actuator disposed inside the at least one housing element; a nozzle coupled to the actuator; a torque generator coupled to the actuator and extending axially downward through the at least one housing, wherein the torque generator is configured to rotate in a first direction as it moves downward; a mandrel coupled to the torque generator; and a stroke adjuster at least partially disposed in an upper end of the mandrel, wherein rotation in the first direction is caused by an increase in differential pressure is disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.