Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11635398 | Resistivity measurement for evaluating a fluid | Christian Chouzenoux, Yann Dufour | 2023-04-25 |
| 7298147 | Device and process for determination of the resistivity of a formation surrounding a cased borehole | Cyrille Levesque, Donald C. McKeon | 2007-11-20 |
| 6894500 | Method and apparatus for determining the resistivity of a formation surrounding a cased well | — | 2005-05-17 |
| 6667621 | Method and apparatus for determining the resistivity of a formation surrounding a cased well | — | 2003-12-23 |
| 6545477 | Method and apparatus for determining the resistivity of a formation through which a cased well passes | Paul Beguin, Patrick Ehret, Francois Hecquet, Peter van der Wal, Marie-Therese Gounot | 2003-04-08 |
| 5426368 | Logging method and apparatus for investigating geometrical characteristics of a borehole and for investigating formation resistivity | Dylan H. Davies, Jan W. Smits, Jacque R. Tabanou | 1995-06-20 |