Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11162010 | Nanometer plugging water-based drilling fluid and preparation method and use thereof | Yang Bai, Pingya Luo, Guojun Li, Hao Zhang, Yan Cheng | 2021-11-02 |
| 10989576 | Method and system for obtaining micro-nano level fracture model and evaluating plugging performance of drilling fluid | Yang Bai, Yan Cheng, Pingya Luo, Hongbo Li, Hao Zhang +3 more | 2021-04-27 |