Issued Patents All Time
Showing 25 most recent of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12055032 | Flexural wave measurement for thick casings | Christoph Klieber, Jean-Luc Le Calvez, Thilo Michael Brill | 2024-08-06 |
| 11473419 | Flexural wave measurement for thick casings | Christoph Klieber, Jean-Luc Le Calvez, Thilo Michael Brill | 2022-10-18 |
| 10416329 | Coherent noise estimation and reduction for acoustic downhole measurements | Thomas Barrou | 2019-09-17 |
| 9921337 | Method and system for calibrating a downhole imaging tool | Richard Bloemenkamp, Laetitia Comparon | 2018-03-20 |
| 9903973 | Systems and methods for removing coherent noise in log data | Gaelle Jannin, Thomas Barrou, Sylvain Thierry | 2018-02-27 |
| 9885805 | Method and system for calibrating a downhole imaging tool | Laetitia Comparon, Richard Bloemenkamp | 2018-02-06 |
| 9840911 | Cement evaluation | — | 2017-12-12 |
| 9841525 | System and method for measuring downhole parameters | Richard Bloemenkamp, Gregoire Jacob | 2017-12-12 |
| 9678239 | System and method for imaging properties of subterranean formations | Tarek M. Habashy, Yong-Hua Chen, Dzevat Omeragic, Philip Cheung | 2017-06-13 |
| 9671517 | Tool for imaging a downhole environment | — | 2017-06-06 |
| 9594177 | Using higher order harmonics to determine acoustic impedance of material behind borehole casings | Benoit Froelich, Kenneth K. Liang | 2017-03-14 |
| 9400339 | Apparatus and method for measuring electrical properties of an underground formation | Richard Bloemenkamp | 2016-07-26 |
| 8994377 | Tool for imaging a downhole environment | — | 2015-03-31 |
| 8933700 | Tool for imaging a downhole environment | — | 2015-01-13 |
| 8925378 | Modular apparatus and method for making measurements in boreholes | Charles Durbec, Olivier Faivre, Patrick Vessereau | 2015-01-06 |
| 8901932 | Tool for imaging a downhole environment | — | 2014-12-02 |
| 8901933 | Tool for imaging a downhole environment | — | 2014-12-02 |
| 8776878 | Sensor for determining downhole parameters and methods for using same | Richard Bloemenkamp | 2014-07-15 |
| 8767506 | Using higher order harmonics to determine acoustic impedance of material behind borehole casings | Benoit Froelich, Kenneth K. Liang | 2014-07-01 |
| 8754651 | System and method for imaging properties of subterranean formations | Tarek M. Habashy, Yong-Hua Chen, Dzevat Omeragic, Philip Cheung | 2014-06-17 |
| 7382136 | Shielded apparatus for reducing an electrical field generated by a pad during electrically exploring geological formations | — | 2008-06-03 |
| 7265553 | Method and apparatus for imaging earth formation | Philip Cheung, Dennis Pittman, Richard Bloemenkamp | 2007-09-04 |
| 7242194 | Formation imaging while drilling in non-conductive fluids | Philip Cheung | 2007-07-10 |
| 7119544 | Method and a tool for electrically investigating a wall of a borehole in a geologic formation | Philip Cheung | 2006-10-10 |
| 6919724 | Method and apparatus for investigating the wall of a borehole | Philip Cheung, Dennis Pittman, Abdurrahman Sezginer | 2005-07-19 |