Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12110789 | Electromagnetic downlink while drilling | Pavel Annenkov, Melisa Lourdes Ramirez Tovar, Robert Tennent, Sam Soundar, Liang Sun +2 more | 2024-10-08 |
| 11719048 | Geo-steering using electromagnetic gap impedance data | Luis Eduardo DePavia, Liang Sun, Richard E. Hunter | 2023-08-08 |
| 11150375 | Phase-based electromagnetic surveys for geological formations | Ping Zhang, Nestor Cuevas, Michael J. Wilt | 2021-10-19 |
| 11092005 | EM-telemetry remote sensing wireless network and methods of using the same | Luis Eduardo DePavia, Gaelle Jannin | 2021-08-17 |
| 10704385 | Modelling electromagnetic telemetry signals in deviated wells | Gaelle Jannin, Liang Sun | 2020-07-07 |
| 10502860 | Method for placement of surface electrodes for electromagnetic telemetry | Gaelle Jannin, Andrew Brooks, David Kirk Conn, Luis Eduardo DePavia, Liang Sun +2 more | 2019-12-10 |
| 10401528 | Hybrid electric and magnetic surface to borehole and borehole to surface method | Nestor Cuevas, Michael J. Wilt, Ping Zhang, Daniele Colombo, Gary W. McNeice | 2019-09-03 |
| 10378337 | EM-telemetry remote sensing wireless network and methods of using the same | Luis Eduardo DePavia, Gaelle Jannin | 2019-08-13 |
| 10323510 | Downhole sensing for electromagnetic telemetry | Luis Eduardo DePavia, Dean Homan, Robert Tennent, Gaelle Jannin, Liang Sun | 2019-06-18 |
| 10227868 | Electromagnetic telemetry using capacitive surface electrodes | Luis Eduardo DePavia | 2019-03-12 |
| 10209388 | Method and apparatus to generate a crosswell data set | Michael J. Wilt, Ping Zhang, Nestor Cuevas | 2019-02-19 |
| 8731987 | Method and apparatus to automatically recover well geometry from low frequency electromagnetic signal measurements | Ping Zhang, Michael J. Wilt, Edward Nichols, David Alumbaugh | 2014-05-20 |
| 8010291 | Processing measurement data that involves computing a derivative of the measurement data that represents a subterranean structure | David Alumbaugh, Edward Nichols, Stephen Allan Horne, Kevin Eyl | 2011-08-30 |
| 7949470 | Processing measurement data in a deep water application | David Alumbaugh, Kevin Eyl, Stephen Allan Horne, Edward Nichols | 2011-05-24 |
| 7880469 | Surveying method using an arrangement of plural signal sources | David Alumbaugh, Kevin Eyl, Stephen Allan Horne, Edward Nichols | 2011-02-01 |
| 7860655 | Electromagnetically detecting thin resistive bodies in shallow water and terrestrial environments | David Alumbaugh, Huntly F. Morrison | 2010-12-28 |
| 7659724 | Surveying method using an arrangement of plural signal sources | David Alumbaugh, Kevin Eyl, Stephen Allan Horne, Edward Nichols | 2010-02-09 |
| 7657391 | Electromagnetically detecting thin resistive bodies in shallow water and terrestrial environments | David Alumbaugh, Frank Morrison | 2010-02-02 |
| 7400977 | Computing values for surveying a subterranean structure based on measurements according to different electromagnetic survey techniques | David Alumbaugh, Huntly F. Morrison | 2008-07-15 |