Issued Patents All Time
Showing 1–2 of 2 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 |
| 11188694 | Dynamic simulation method of circulating temperature variation in RMR subsea pump mud-lift drilling system | Xin Li, Jie Zhang, Cuinan Li, Xuefeng Sun, Xiaoxiao Du +2 more | 2021-11-30 |