Issued Patents All Time
Showing 1–10 of 10 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 | Bangtang Yin, Kai-Ten Feng, Baojiang Sun, Zhiyuan Wang, Hao Li +2 more | 2025-06-17 |
| 12221139 | Box underframe end structure of railway vehicle | Ming Li, Rui Deng, Fei Xiao, Shixi OU, Yingbo LIU +1 more | 2025-02-11 |
| 12078054 | Experimental device and method for co-existence of overflow and lost circulation in fractured formation during drilling of deviated well | Bangtang Yin, Chi Zhang, Baojiang Sun, Zhiyuan Wang, Xuliang Zhang +2 more | 2024-09-03 |
| 12071849 | Device and method for simulating gas intrusion and bullheading in wellbore under different inclinations | Bangtang Yin, Tianbao DING, Baojiang Sun, Zhiyuan Wang, Hao Li +2 more | 2024-08-27 |
| 11773709 | Drilling well underground kick processing method and device with self-feedback adjustment | Baojiang Sun, Zhiyuan Wang, Hao Li, Yufa Su, Bangtang Yin +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, Baitao FAN, Hao Li +5 more | 2021-12-21 |
| 10267129 | Homocentric squares-shaped well structure for marine hydrate reserve recovery utilizing geothermal heat and method thereof | Baojiang Sun, Ye Chen, Zhiyuan Wang, Litao Chen, Jiafang Xu +1 more | 2019-04-23 |
| 9631450 | Surface layer conductor running tool for deep-water well drilling | Baojiang Sun, Ning Zhang, Hao Li, Guomin Yan, Mingzhao Huang +1 more | 2017-04-25 |
| 9631454 | Wellbore pressure control system and method for offshore well cementation stages | Baojiang Sun, Xuerui Wang, Yingwen Ma | 2017-04-25 |
| 9598936 | Apparatus and method for monitoring hydrate decomposition area under different drilling and production processes | Ye Chen, Baojiang Sun, Wenchao Sun, Hao Li | 2017-03-21 |