Issued Patents 2022
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11525079 | Preparation method of fully adaptive modified nanographene plugging type anti-collapse drilling fluid and use thereof | Yang Bai, Dezhi Liu, Jing Zhang, Pingya Luo, Gang Xie +1 more | 2022-12-13 |
| 11453814 | Pressure-bearing plugging agent and preparation method and use thereof | Yang Bai, Lingfeng Wu, Pingya Luo, Haibo Liang, Wen Xu +4 more | 2022-09-27 |
| 11345841 | Fiber silica composite microsphere for shale stratum, drilling fluid and preparation method and use thereof | Yang Bai, Lingfeng Wu, Pingya Luo, Wenzhe Li, Gang Xie +3 more | 2022-05-31 |