Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11156064 | Natural gas hydrate solid-state fluidization mining method and system under underbalanced positive circulation condition | Jinzhou Zhao, Na Wei, Haitao Li, Liehui Zhang, Shouwei Zhou +1 more | 2021-10-26 |
| 11053779 | Hydrate solid-state fluidization mining method and system under underbalanced reverse circulation condition | Jinzhou Zhao, Na Wei, Haitao Li, Liehui Zhang, Shouwei Zhou +1 more | 2021-07-06 |