Issued Patents 2019
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10487255 | Expandable plugging agent and preparation method thereof, micro-capsule plugging agent, water-based drilling fluid, and use thereof | Yang Bai, Pingya Luo, Guancheng Jiang, Jiading Deng, Yan Cheng +1 more | 2019-11-26 |
| 10392552 | Water-based drilling fluid for protecting fractured reservoirs, and preparation method and use thereof | Kaihe Lv, Jingping Liu | 2019-08-27 |
| 10336931 | Use of dual-cation fluorocarbon surfactant as amphiphobic wettability reversal agent in drilling fluid | Guancheng Jiang, Deli Gao, Guangchang Ma, Xi Wang, Xiaolin Pu +8 more | 2019-07-02 |
| 10336932 | Micro-nano composite plugging agent for drilling fluid and preparation method thereof, and drilling fluid and use thereof | Yang Bai, Pingya Luo, Guancheng Jiang, Jiading Deng, Yan Cheng +1 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 |