Apparatus and method for unsticking a downhole tool
US7637321B2 · kind B2 · utility
13Cited by
15References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 14, 2007 |
| Grant date | Dec 29, 2009 |
| Priority date | — |
| Expiry date | Dec 19, 2027 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B49/10
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A downhole tool is provided including apparatus for unsticking the tool from the wall or a borehole. The tool may include a housing defining a longitudinal axis and a sleeve coupled to the housing and mounted for rotation relative to the housing, the sleeve having an exterior surface including at least one projection extending radially outwardly with respect to the longitudinal axis. A transmission mechanism may be coupled to and adapted to rotate the sleeve, and a motor may be coupled to the transmission mechanism. A method for unsticking the downhole tool by rotating a sleeve is also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.