Apparatus and method for azimuthal MWD resistivity imaging at multiple depths of investigation
US7723991B2 · kind B2 · utility
17Cited by
7References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 2, 2007 |
| Grant date | May 25, 2010 |
| Priority date | — |
| Expiry date | Oct 2, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01V3/28
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A combination of a shallow-reading and a deep-reading, azimuthally sensitive, multiple propagation devices is used for providing depth images the earth formation with different depth of investigation. It is emphasized that this abstract is provided to comply with the rules requiring an abstract which will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure. It is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.