Issued Patents All Time
Showing 1–25 of 307 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12366138 | Hydrogen production, storage and recovery | Eva Vinegar | 2025-07-22 |
| 12228531 | Method of determining solid and liquid components in sedimentary rocks using NMR relaxation | Philip M. Singer, Yunke Liu, Xinglin Wang, George J. Hirasaki | 2025-02-18 |
| 11959364 | Hydrogen production, storage and recovery | Eva Vinegar | 2024-04-16 |
| 11933932 | Method of estimating permeability using NMR diffusion measurements | Philip M. Singer, George J. Hirasaki, Zeliang Chen, Xinglin Wang, Eva Vinegar | 2024-03-19 |
| 11921069 | Determination of fluid-phase-specific petrophysical properties of geological core for oil, water and gas phases | Eva Vinegar, Philip M. Singer, George J. Hirasaki, Zeliang Chen, Xinglin Wang | 2024-03-05 |
| 11680466 | Hydrogen storage and recovery with fracture monitoring | Eva Vinegar | 2023-06-20 |
| 11099292 | Method for determining the composition of natural gas liquids, mean pore-size and tortuosity in a subsurface formation using NMR | Philip M. Singer, George J. Hirasaki, Zeliang Chen, Xinglin Wang | 2021-08-24 |
| 10444395 | Tunnel detection using a pipeline pig | — | 2019-10-15 |
| 10047594 | Heater pattern for in situ thermal processing of a subsurface hydrocarbon containing formation | Scott Vinh Nguyen | 2018-08-14 |
| 9784882 | Mapping hydrocarbon liquid properties of a kerogencontaining source rock | Eva Vinegar, Scott Vinh Nguyen | 2017-10-10 |
| 9605524 | Heater pattern for in situ thermal processing of a subsurface hydrocarbon containing formation | Scott Vinh Nguyen | 2017-03-28 |
| 9051829 | Perforated electrical conductors for treating subsurface formations | Xueying Xie, Oluropo Rufus Ayodele, Christopher Harris, John Michael Karanikas, Chester Ledlie Sandberg +1 more | 2015-06-09 |
| 8881806 | Systems and methods for treating a subsurface formation with electrical conductors | Xueying Xie, Oluropo Rufus Ayodele, Christopher Harris, John Michael Karanikas, Chester Ledlie Sandberg +1 more | 2014-11-11 |
| 8789586 | In situ recovery from a hydrocarbon containing formation | Eric Pierre de Rouffignac, Ilya Emil Berchenko, Thomas David Fowler, Robert Charles Ryan, Gordon Thomas Shahin, Jr. +3 more | 2014-07-29 |
| 8662175 | Varying properties of in situ heat treatment of a tar sands formation based on assessed viscosities | John Michael Karanikas | 2014-03-04 |
| 8627887 | In situ recovery from a hydrocarbon containing formation | Meliha Deniz Sumnu-Dindoruk, Scott Lee Wellington, Kevin Albert Maher, John Michael Karanikas, Eric Pierre de Rouffignac +3 more | 2014-01-14 |
| 8608249 | In situ thermal processing of an oil shale formation | Eric Pierre de Rouffignac, Kevin Albert Maher, Lanny Gene Schoeling, Scott Lee Wellington | 2013-12-17 |
| 8606091 | Subsurface heaters with low sulfidation rates | Randy Carl John | 2013-12-10 |
| 8579031 | Thermal processes for subsurface formations | — | 2013-11-12 |
| 8555971 | Treating tar sands formations with dolomite | John Michael Karanikas | 2013-10-15 |
| 8485252 | In situ recovery from a hydrocarbon containing formation | Eric Pierre de Rouffignac, Ilya Emil Berchenko, Thomas David Fowler, Robert Charles Ryan, Gordon Thomas Shahin, Jr. +3 more | 2013-07-16 |
| 8459359 | Treating nahcolite containing formations and saline zones | — | 2013-06-11 |
| 8381815 | Production from multiple zones of a tar sands formation | John Michael Karanikas | 2013-02-26 |
| 8355623 | Temperature limited heaters with high power factors | Christopher Harris, Chester Ledlie Sandberg | 2013-01-15 |
| 8276661 | Heating subsurface formations by oxidizing fuel on a fuel carrier | Michael Costello | 2012-10-02 |