Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11236584 | Method for continuous downhole cooling of high-temperature drilling fluid | Jie Zhang, Xin Li, Cuinan Li, Zaipeng Zhao, Weilin Chen +2 more | 2022-02-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11236584 | Method for continuous downhole cooling of high-temperature drilling fluid | Jie Zhang, Xin Li, Cuinan Li, Zaipeng Zhao, Weilin Chen +2 more | 2022-02-01 |