Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12139663 | Method for treating a subterranean formation by injecting an aqueous gelling solution comprising an aluminate | Olivier Sissmann | 2024-11-12 |
| 11226275 | Method for measuring the diffusion coefficient of water within a porous medium by a nuclear magnetic resonance method | — | 2022-01-18 |
| 11028310 | Method for treating the area surrounding a well using an aqueous gelling solution comprising an alkaline potassium silicate solution and an acetic acid | Olivier Sissmann, Michel Chardin | 2021-06-08 |
| 8042382 | Device for measuring physical characteristics of a porous sample | Gabriel Ringot | 2011-10-25 |
| 8024960 | Method and device for evaluating flow parameters and electric parameters of porous medium | Philippe Poulain, Patrick Egermann | 2011-09-27 |
| 7642774 | Method for fast measurement of the saturation and the resistivity of a porous medium | Mei Han | 2010-01-05 |
| 7397240 | Method of measuring rock wettability by means of nuclear magnetic resonance | Françoise Deflandre | 2008-07-08 |
| 7388373 | Method of determining the permeability of an underground medium from NMR measurements of the permeability of rock fragments from the medium | Roland Lenormand, Patrick Egermann | 2008-06-17 |
| 7257989 | Method and device for measuring physical characteristics of a solid porous sample | — | 2007-08-21 |
| 7221165 | Method and device for measuring the resistivity anisotropy of layered rock samples | — | 2007-05-22 |
| 7049817 | Thermostat-controlled containment cell for samples intended for NMR measurements and method for implementing it | Françoise Deflandre, José Brandely | 2006-05-23 |
| 7009393 | Nuclear magnetic resonance method of detecting and monitoring the flocculation kinetics of heavy fractions of a complex fluid | Jean-Pierre Cohen Addad | 2006-03-07 |
| 6879154 | Method for determining the resistivity index, as a function of the water saturation, of certain rocks of complex porosity | — | 2005-04-12 |
| 6571606 | Device intended for sealed electric connection of electrodes by shielded cables and system for petrophysical measurement using the device | Gabriel Ringot | 2003-06-03 |
| 6490531 | Optimized method for determining physical parameters of a sample subjected to centrifugation | Elodie Goglin, Patrick Egermann | 2002-12-03 |
| 6447206 | Beaver control screen for culvert pipe | — | 2002-09-10 |
| 6272906 | Device for separating and for measuring the volume of the various phases of a mixture of fluids | Gerard Fernandes, Aurelie Samouillet | 2001-08-14 |
| 6229312 | Method and device for fast measurement of the resistivity index of solid samples such as rocks | Françoise Deflandre | 2001-05-08 |
| 6185985 | Process and device for measuring physical characteristics of a porous sample by centrifugal displacement of fluids | Philippe Poulain, Jean-Claude Marchand, Gabriel Ringot | 2001-02-13 |
| 5979223 | Device intended for measurements on a porous sample in the presence of fluids, using temperature-resistant semipermeable membranes | — | 1999-11-09 |
| 5610524 | Device for petrophysical measurement and implementation method | Daniel Longeron | 1997-03-11 |
| 5463894 | Process and device for surveying the properties of a permeable material | Roland Lenormand, Gabriel Ringot | 1995-11-07 |