Issued Patents All Time
Showing 25 most recent of 65 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12386095 | Determining formation conductivity with propagation measurements | Gong Li Wang | 2025-08-12 |
| 12163413 | Dielectric-based geosteering | John Rasmus, Gong Li Wang | 2024-12-10 |
| 12163417 | Integrated drilling system | Rachel Belleville, Mark Frey, Michael Hui Du, Patrick Fisseler | 2024-12-10 |
| 12105246 | Water saturation estimation of pyrite-rich formation rock | Ping Zhang, Wael Abdallah, Gong Li Wang, Tariq Alshaikh Mubarak, Anas Almarzooq | 2024-10-01 |
| 12025765 | Method for saturation evaluation of graphitic kerogen bearing formations | Natalie Uschner-Arroyo, Chang-Yu Hou, Denise E. Freed, John Rasmus | 2024-07-02 |
| 11822038 | Systems and methods for determining properties of porous, fluid-filled geological formations based on multi-frequency measurements | Siddharth Misra, Yuteng Jin, John Rasmus | 2023-11-21 |
| 11768315 | Directional electromagnetic ratio calibration | Mark Frey | 2023-09-26 |
| 11747508 | Systems and methods for determining properties of porous, fluid-filled geological formations based on multi-frequency measurements | Siddharth Misra, Yuteng Jin, John Rasmus | 2023-09-05 |
| 11520070 | Effective medium theory of acidized carbonate matrix resistivity employed to calculate the apparent geometric parameters of the wormholes | John Rasmus, Gallyam Aidagulov, Harold Pfutzner | 2022-12-06 |
| 11340375 | Multi-frequency electromagnetic tensor measurements | John Rasmus, Siddharth Misra | 2022-05-24 |
| 11150373 | Determining dielectric constant and resistivity with induction measurement | Gong Li Wang, John Rasmus | 2021-10-19 |
| 11073013 | Electric dipole surface antenna configurations for electromagnetic wellbore instrument telemetry | Jon A. Brunetti, David L. Smith, Erwann Lemenager | 2021-07-27 |
| 11048012 | Formation characterization system | John Rasmus, Gong Li Wang, Natalie Uschner-Arroyo | 2021-06-29 |
| 10935688 | Antenna assembly having multiple legs | Scott Dyas, Sergiy Kryukov, Reza Taherian, Daniel Codazzi | 2021-03-02 |
| 10598809 | Downhole electromagnetic sensing techniques | Jung Kee Chung, Sameer Bhoite, Edward Michael Tollefsen, Jaroslav Dobos | 2020-03-24 |
| 10386529 | Subsurface estimation of level of organic maturity | Siddharth Misra, John Rasmus, Carlos Torres-Verdin | 2019-08-20 |
| 10371781 | Gain-corrected measurements | Emmanuel Legendre, Reza Taherian, Jean Seydoux, Eunmi Choi, Gerald N. Minerbo +2 more | 2019-08-06 |
| 10371852 | Formation properties from conductivity tensor | Mark Frey, Sergiy Kryukov | 2019-08-06 |
| 10330618 | Method to estimate water saturation in electromagnetic measurements | Siddharth Misra, John Rasmus | 2019-06-25 |
| 10323510 | Downhole sensing for electromagnetic telemetry | Luis Eduardo DePavia, Robert Tennent, Gaelle Jannin, Liang Sun, Jiuping Chen | 2019-06-18 |
| 10247846 | Triaxial antenna array having four saddle coils between two axial coils | Scott Dyas, Sergiy Kryukov, Reza Taherian, Daniel Codazzi | 2019-04-02 |
| 10067257 | Multi-frequency electromagnetic tensor measurements | John Rasmus, Gerald N. Minerbo, Siddharth Misra, Aditya Gupta | 2018-09-04 |
| 10036827 | Petrophysically-consistent calibration of full-tensor electromagnetic induction tools | Siddharth Misra, John Rasmus, Gerald N. Minerbo | 2018-07-31 |
| 9835755 | Full tensor gain compensated propagation measurements | Mark Frey | 2017-12-05 |
| 9835753 | Gain compensated tensor propagation measurements using collocated antennas | Mark Frey | 2017-12-05 |