Issued Patents 2019
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10392552 | Water-based drilling fluid for protecting fractured reservoirs, and preparation method and use thereof | Jinsheng Sun, Jingping Liu | 2019-08-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10392552 | Water-based drilling fluid for protecting fractured reservoirs, and preparation method and use thereof | Jinsheng Sun, Jingping Liu | 2019-08-27 |