Issued Patents 2023
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11542425 | Leak-proof lost-circulation control water-based drilling fluid composition and preparation method and use thereof | Yang Bai, Lingfeng Wu, Jing Zhang, Wenzhe Li, Feng-Wei Dai +4 more | 2023-01-03 |