Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10754055 | Apparatus and method for obtaining petrophysical images using electrical imager and multi-frequency dispersion measurements | Tetsushi Yamada, Tianhua Zhang, Jean-Marc Donadille, Richard Bloemenkamp | 2020-08-25 |
| 10393913 | Petrophysical inversions systems and methods field | Josselin Kherroubi, Jean-Marc Donadille | 2019-08-27 |
| 10324220 | Method for estimating reservoir fluid characteristics in laminated media | Jean-Marc Donadille | 2019-06-18 |
| 9869798 | Method for estimating a logging tool response in a layered formation | Josselin Kherroubi, Laurent Mosse | 2018-01-16 |
| 9316764 | Downhole tool for determining formation properties | Geoff Weller | 2016-04-19 |
| 8636061 | Tool for downhole formation evaluation | Laurent Mosse, Matthieu Simon, Mehdi Hizem | 2014-01-28 |
| 7623968 | Determination of porosity and fluid saturation of underground formations | Roger Griffiths, Thomas J. Neville, Geoff Weller | 2009-11-24 |
| 7260478 | Method and device for determining the resistivity in a geological formation crossed by a cased well | Isabelle Dubourg, Gilles Rouault | 2007-08-21 |
| 7124029 | Method for evaluating formation properties | Laurent Jammes, Emmanuel Legendre, Pascal Rothnemer, Jean-Claude Trouiller, Maria Teresa Galli +2 more | 2006-10-17 |
| 7064551 | Process for determining the resistivity of a formation through which a well equipped with a casing passes | Isabelle Dubourg, Gilles Rouault | 2006-06-20 |
| 6369575 | Methods and apparatuses for measuring the resistivity of drilling mud in a borehole | Pierre Eisenmann, Jan W. Smits, Jean-Claude Trouiller | 2002-04-09 |
| 6046593 | Method/apparatus for measuring mud resistivity using a focused-electrode system | Pierre Eisenmann, Jan W. Smits, Jean-Claude Trouiller | 2000-04-04 |