Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12332231 | Experimental device and method for solubility determination of methane in oil-based drilling fluid | Jie Zhang, Xuefeng Sun, Qiulai Xue, Qiang Wei, Zhilin LI +2 more | 2025-06-17 |
| 11236584 | Method for continuous downhole cooling of high-temperature drilling fluid | Jie Zhang, Xin Li, Zaipeng Zhao, Weilin Chen, Jingbin He +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, Peigang Wang, Xuefeng Sun, Xiaoxiao Du +2 more | 2021-11-30 |