Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |
| 11002126 | Active control method and control device for wellbore pressure in the open-cycle drilling of marine natural gas hydrates | Zhiyuan Wang, Jianbo Zhang, Baojiang Sun, Wenqiang Lou, Zheng Liu +1 more | 2021-05-11 |