Process for determining the resistivity of a formation through which a well equipped with a casing passes
US7064551B2 · kind B2 · utility
4Cited by
3References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 10, 2003 |
| Grant date | Jun 20, 2006 |
| Priority date | — |
| Expiry date | Jun 18, 2023 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01V3/20
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Process for determining the resistivity (Rt) of a formation (9) surrounding a well (10) equipped with a casing (11) consisting of several casing segments (11.i, 11.s) with an overlapping part (1), and cement (3) in the overlapping part (1), Application particularly to oil exploration.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.