Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10767450 | Sand control screen for heavy oil thermal recovery | Huian Yi, Boren Li, Zhenxiang WANG, Qiansheng ZHUANG, Shanyin Chen +4 more | 2020-09-08 |
| 10655048 | Oil well cement settlement stabilizer for high-temperature cementing of oil and gas wells and preparation method thereof, and cement slurry | Chengwen Wang, Huan Wang, Zizhen Wang, Yucheng Xue, Ruihe Wang +1 more | 2020-05-19 |