Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10941334 | Foam solution and preparation thereof used for profile control and plugging in heavy oil thermal recovery process and method of profile control and plugging | Chao Zhang, Zhaomin Li, Zhaohui Shang, Haifeng He, Linghui Xi +1 more | 2021-03-09 |