Tool for imaging a downhole environment
US8933700B2 · kind B2 · utility
3Cited by
16References
13Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 22, 2009 |
| Grant date | Jan 13, 2015 |
| Priority date | — |
| Expiry date | Mar 26, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01V3/24
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The invention is concerned with a tool for imaging a formation, the tool comprising: a pad capable of alignment adjacent a wall of the formation. The pad has located thereon an imaging electrode for injecting current into the formation. There is a first return electrode separated from the imaging electrode for receiving the injected current. There is at least one recessed electrode that is located at a different distance from the wall of the formation as the other electrodes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.