Issued Patents All Time
Showing 1–2 of 2 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, Xingchang Xue, Zhaohui Shang, Haifeng He +1 more | 2021-03-09 |
| 10767106 | Viscosity reduction system for microwave extraction of heavy oil and preparation method thereof | Zhaomin Li, Zhengxiao Xu, Teng Lu, Xinru Zhao, Aiwen Jing | 2020-09-08 |