Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10876034 | Modified silicon dioxide material of fluorocarbon active agent type super-amphiphobic cutting-carrying agent suitable for water-based drilling fluid and preparation method thereof | Guancheng Jiang, Xiaoxiao Ni, Yinbo He, Lili Yang, Tengfei Dong +7 more | 2020-12-29 |
| 10647902 | Temporary plugging agent for drilling fluid and preparation method thereof, and water-based drilling fluid and use thereof | Weian Huang, Jingwen Wang, Ming Lei, Jiaqi Zhang, Gongrang Li +2 more | 2020-05-12 |