Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10017679 | Plugging agent for improving formation bearing capacity and preparation method thereof | Pingya Luo, Pingquan Wang, Mingyi Deng, Jinjun Huang, Yang Bai | 2018-07-10 |
| 10005946 | High-temperature cross-linking deep-well drilling fluid and preparation method thereof | Yang Bai, Pingya Luo, Ling-Chieh Lin | 2018-06-26 |
| 9926482 | Deep-well polysulfonate drilling fluid and preparation method thereof | Yang Bai, Pingya Luo, Ling-Chieh Lin | 2018-03-27 |