Issued Patents 2018
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10040984 | Water-based drilling fluid for protecting high-permeability reservoirs, and preparation method and use thereof | Jinsheng Sun, Jingping Liu | 2018-08-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10040984 | Water-based drilling fluid for protecting high-permeability reservoirs, and preparation method and use thereof | Jinsheng Sun, Jingping Liu | 2018-08-07 |