Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12331602 | Well-killing system for ultra-deep well drilling with co-existence of overflow and lost circulation and operation method thereof | Kai-Ten Feng, Baojiang Sun, Zhiyuan Wang, Yonghai Gao, Hao Li +2 more | 2025-06-17 |
| 12131107 | Device and method for early monitoring of gas intrusion based on pressure wave propagation | Yuhang Pang, Tianbao DING, Baojiang Sun, Zhiyuan Wang, Shujie Liu +2 more | 2024-10-29 |
| 12078054 | Experimental device and method for co-existence of overflow and lost circulation in fractured formation during drilling of deviated well | Chi Zhang, Baojiang Sun, Zhiyuan Wang, Xuliang Zhang, Yonghai Gao +2 more | 2024-09-03 |
| 12071849 | Device and method for simulating gas intrusion and bullheading in wellbore under different inclinations | Tianbao DING, Baojiang Sun, Zhiyuan Wang, Yonghai Gao, Hao Li +2 more | 2024-08-27 |
| 11773709 | Drilling well underground kick processing method and device with self-feedback adjustment | Yonghai Gao, Baojiang Sun, Zhiyuan Wang, Hao Li, Yufa Su +3 more | 2023-10-03 |
| 11203922 | Method and equipment for optimizing hydraulic parameters of deepwater managed pressure drilling in real time | Baojiang Sun, Zhiyuan Wang, Shujie Liu, Yonghai Gao, Baitao FAN +5 more | 2021-12-21 |