Issued Patents 2018
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10030188 | Nano-hybrid lubricant and method thereof, and oil-based drilling fluid | Guancheng Jiang, Shuanglei Peng, Yinbo He, Deli Gao, Lili Yang +4 more | 2018-07-24 |
| 10000684 | Drilling fluid additive composition, and oil-based drilling fluid and use thereof | Guancheng Jiang, Shuanglei Peng, Yinbo He, Deli Gao, Lili Yang +6 more | 2018-06-19 |
| 9902890 | Drilling fluid additive composition suitable for coal-bed gas wells, and water-based drilling fluid and use thereof | Guancheng Jiang, Yinbo He, Chong Liu, Qingying Ge, Lili Yang +7 more | 2018-02-27 |
| 9890318 | Drilling fluid additive composition and water-based drilling fluid suitable for high-pressure plugging | Guancheng Jiang, Chong Liu, Yinbo He, Qingying Ge, Lili Yang +10 more | 2018-02-13 |