Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11753575 | Organic-inorganic nanocomposite gel and oil-based drilling fluid | Gang Xie, Ruolan Wang, Yang Bai | 2023-09-12 |
| 11692121 | Tertiary amine-grafted silica nano-plugging agent and water-based drilling fluids | Gang Xie, Ruolan Wang, Yang Bai | 2023-07-04 |
| 10928300 | Experimental device and experimental method for testing the lubricity in horizontal well drilling with a cuttings bed taken into consideration | Junlin SU, Pingya Luo, Fang Li | 2021-02-23 |
| 10017679 | Plugging agent for improving formation bearing capacity and preparation method thereof | Pingya Luo, Dachuan Liang, Pingquan Wang, Mingyi Deng, Yang Bai | 2018-07-10 |