Issued Patents 2019
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10442973 | Super-amphiphobic strongly self-cleaning high-performance water-based drilling fluid and drilling method | Guancheng Jiang, Xiaoxiao Ni, Lili Yang, Xiaohu Quan, Zhong Li +9 more | 2019-10-15 |
| 10336931 | Use of dual-cation fluorocarbon surfactant as amphiphobic wettability reversal agent in drilling fluid | Guancheng Jiang, Deli Gao, Guangchang Ma, Jinsheng Sun, Xi Wang +8 more | 2019-07-02 |
| 10308857 | Super-amphiphobic composite material and use of the same as inhibitor, lubricant, reservoir protectant, and accelerator in water-based drilling fluids | Guancheng Jiang, Xiaoxiao Ni, Lili Yang, Guangchang Ma, Chunyao Peng +8 more | 2019-06-04 |
| 10266744 | Accelerator used for drilling fluids, water-based drilling fluid and usage thereof | Guancheng Jiang, Deli Gao, Shuo Zhang, Yong Wang, Xianzhu Wu +9 more | 2019-04-23 |
| 10253237 | Film former used for coal-bed gas well drilling and preparation method thereof, drilling fluid and usage thereof | Guancheng Jiang, Deli Gao, Shuo Zhang, Yong Wang, Xianzhu Wu +9 more | 2019-04-09 |