Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11922335 | Method and system for evaluating macro resilience of offshore oil well control equipment | Yonghong Liu, Yanping Zhang, Chuntan Gao, Xiaoyan Shao, Hongqi Xu +9 more | 2024-03-05 |
| 11768976 | Subsea Christmas tree re-prediction method integrating Kalman filter and Bayesian network | Yonghong Liu, Xiaoyan Shao, Guijie Liu, Qiang Feng, Qilin Wu +8 more | 2023-09-26 |
| 11346200 | Method and system for guaranteeing safety of offshore oil well control equipment | Yonghong Liu, Chao Yang, Xiangdi Kong, Yi Zhao, Hongqi Xu +9 more | 2022-05-31 |
| 11293231 | Multi-path combined high-low voltage plasma drilling method, drill bit for drilling and drill bit apparatus for drilling | Yonghong Liu, Qiang Sun, Qingyun Li, Renjie Ji, Xiaopeng Li +5 more | 2022-04-05 |
| 11268326 | Multi-path combined high-low voltage plasma drilling power source and drillling system | Yonghong Liu, Qiang Sun, Qingyun Li, Renjie Ji, Xiaopeng Li +5 more | 2022-03-08 |
| 11243509 | Method for assessing safety integrity level of offshore oil well control equipment | Yonghong Liu, Wenchao Li, Xiangdi Kong, Xiaoyan Shao, Hongqi Xu +9 more | 2022-02-08 |
| 11085245 | Multi-path combined high-low voltage plasma rock-breaking drill bit, drill bit apparatus and drilling method | Yonghong Liu, Qiang Sun, Qingyun Li, Renjie Ji, Xiaopeng Li +5 more | 2021-08-10 |
| 10989019 | Fully-electrically driven downhole safety valve | Yonghong Liu, Chuntan Gao, Chaoyang Sheng, Peng Liu, Xincheng Li +9 more | 2021-04-27 |
| 9970270 | Movable combined sand control pipe of axial and radial slotted screen pipes | Yonghong Liu, Renjie Ji, Quansheng Zhang, Xiaopeng Li, Qingyun Li | 2018-05-15 |