Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12050168 | Method for determining a matrix permeability of a subsurface formation | Jilin Zhang, Hui-Hai Liu | 2024-07-30 |
| 11680887 | Determining rock properties | Jilin Zhang, Hui-Hai Liu | 2023-06-20 |
| 11643924 | Determining matrix permeability of subsurface formations | Jilin Zhang, Hui-Hai Liu | 2023-05-09 |
| 11598711 | Method and apparatus for measuring stress dependency of shale permeability with steady-state flow | Hui-Hai Liu, Jilin Zhang | 2023-03-07 |