Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11753585 | Organic acid system with high temperature resistance | An Chen, Yang Zhang, Sikai Dai, Jinhua Mao, Xiaojiang Yang +1 more | 2023-09-12 |
| 11655412 | Spherical organic nano boron crosslinker with PAMAM core and preparation method thereof, and gel fracturing fluid | Jinhua Mao, Xiaojiang Yang, Chong Lin, Yang Zhang, An Chen +1 more | 2023-05-23 |
| 11377589 | Emulsifer with high temperature resistance, low viscosity and low corrosiveness, and emulsified acid system comprising same | Xiaojiang Yang, Difei Han, Heng Zhang, Chong Lin, Jinhua Mao +1 more | 2022-07-05 |
| 10894761 | Recyclable clean fracturing fluid thickener, preparation method and recovery method thereof, and high-temperature resistant clean fracturing fluid | Xiaojiang Yang, Heng Zhang | 2021-01-19 |
| 10870790 | Tri-cationic viscoelastic surfactant, preparation method and application thereof and clean fracturing fluid | Jinming Fan, Jinzhou Zhao, Xiaojiang Yang | 2020-12-22 |
| 10633576 | Ultra-high temperature fracturing fluid | Yang Zhang, Jinzhou Zhao, Xiaojiang Yang, Heng Zhang | 2020-04-28 |