Issued Patents 2022
Showing 1–7 of 7 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, Feng-Wei Dai +1 more | 2022-12-13 |
| 11490178 | Method for establishing service path, network device, and system | Hao Li, Haomian Zheng, Zhe Liu | 2022-11-01 |
| 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 |
| 11441062 | Modified polyvinyl acetate and preparation method and use thereof and oil-based drilling fluid | Yang Bai, Chunyan Liu, Pingya Luo, Danchao Huang, Dezhi Liu +3 more | 2022-09-13 |
| 11396621 | Pressure-bearing plugging composition, pressure-bearing plugging slurry and preparation method and use thereof | Yang Bai, Lingfeng Wu, Pingya Luo, Jinsheng Sun, Haibo Liang +4 more | 2022-07-26 |
| 11387027 | Radial magnetic circuit assembly device and radial magnetic circuit assembly method | Mickael Bernard Andre Lefebvre, Haiquan Wu, Weiyong Gong, Ruiwen Shi | 2022-07-12 |
| 11345841 | Fiber silica composite microsphere for shale stratum, drilling fluid and preparation method and use thereof | Yang Bai, Lingfeng Wu, Pingya Luo, Wenzhe Li, Feng-Wei Dai +3 more | 2022-05-31 |