Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10030188 | Nano-hybrid lubricant and method thereof, and oil-based drilling fluid | Guancheng Jiang, Yinbo He, Deli Gao, Lili Yang, Fan Liu +4 more | 2018-07-24 |
| 10000684 | Drilling fluid additive composition, and oil-based drilling fluid and use thereof | Guancheng Jiang, Yinbo He, Deli Gao, Lili Yang, Fan Liu +6 more | 2018-06-19 |
| 9745501 | Additive composition suitable for viscosity reduction of oil-based drilling fluid, oil-based drilling fluid and use thereof | Guancheng Jiang, Yinbo He, Zhengqiang Deng, Lili Yang, Fan Liu +8 more | 2017-08-29 |
| 9528042 | Drilling fluid additive composition and super high temperature super high density clay-free oil-in-water drilling fluid | Guancheng Jiang, Zhengqiang Deng, Yinbo He, Xianbin Huang, Fan Liu +8 more | 2016-12-27 |
| 9481822 | Drilling fluid additive composition and high temperature resistant clay-free whole-oil-based drilling fluid | Guancheng Jiang, Zhengqiang Deng, Yinbo He, Xianbin Huang, Fan Liu +1 more | 2016-11-01 |