Methods and apparatus for navigating a tool downhole
US7757782B2 · kind B2 · utility
15Cited by
10References
28Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 7, 2006 |
| Grant date | Jul 20, 2010 |
| Priority date | — |
| Expiry date | Mar 5, 2027 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B47/024
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Methods and apparatus for navigating a subterranean tool comprising a body member and a head member steerably associated with the body member. A determining unit is configured to determine a transversal target position of a nose of the head member relative to the body member and a steering unit is configured to steer the head member relative to the body member so that the nose of the head member is located at the transversal target position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.