Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11192964 | Ionic liquid shale inhibitor for drilling fluid and preparation method and application thereof | Lili Yang, Guancheng Jiang, Xiao-Feng Yang, Yawei Shi | 2021-12-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11192964 | Ionic liquid shale inhibitor for drilling fluid and preparation method and application thereof | Lili Yang, Guancheng Jiang, Xiao-Feng Yang, Yawei Shi | 2021-12-07 |