Issued Patents 2022
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11286411 | Synergist for water-based drilling fluid and preparation method therefor, water-based drilling fluid and application thereof | Xiaohu Quan, Haiping Feng, Jianmin Chen, Yu Cao, Weizhi You +4 more | 2022-03-29 |