Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10870790 | Tri-cationic viscoelastic surfactant, preparation method and application thereof and clean fracturing fluid | Jincheng Mao, Jinming Fan, Jinzhou Zhao | 2020-12-22 |
| 10633576 | Ultra-high temperature fracturing fluid | Jincheng Mao, Yang Zhang, Jinzhou Zhao, Heng Zhang | 2020-04-28 |