Issued Patents 2021
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11203922 | Method and equipment for optimizing hydraulic parameters of deepwater managed pressure drilling in real time | Baojiang Sun, Shujie Liu, Yonghai Gao, Baitao FAN, Hao Li +5 more | 2021-12-21 |
| 11131797 | Backlight module and display device | Jinpeng Li, Ming Zhai, Pei Li, Pengjun CAO, Jian Li +5 more | 2021-09-28 |
| 11002126 | Active control method and control device for wellbore pressure in the open-cycle drilling of marine natural gas hydrates | Jianbo Zhang, Baojiang Sun, Wenqiang Lou, Xiaohui Sun, Zheng Liu +1 more | 2021-05-11 |