Issued Patents 2023
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11781420 | Displacement measuring device and speed measuring method of drilling traction robot | Jianguo Zhao, Haiyan ZHU, Guorong Wang | 2023-10-10 |
| 11773653 | Double-layer coiled tubing double-gradient drilling system | Guorong Wang, Lin Zhong, Shouwei Zhou, Xingyong Yu, Zhong Li +5 more | 2023-10-03 |
| 11668148 | Downhole explosion robot based on planetary roller screw telescoping and traction method thereof | Xuelian Dong, Haiyan ZHU, Qiaozhu Wang, Jingran Tang, Xingming Wang +1 more | 2023-06-06 |
| 11598180 | Experimental device and experimental method for natural gas hydrate solid-state fluidized mining and crushing | Guorong Wang, Shouwei Zhou, Qingping Li, Qiang Fu, Yufa He +2 more | 2023-03-07 |
| 11572767 | Dynamic design method for personalized drill bit for complex difficult-to-drill formation | Haiyan ZHU | 2023-02-07 |
| 11567233 | Numerical simulation and parameter optimization method for volumetric fracturing of unconventional dual medium reservoir | Haiyan ZHU, Yapu Zhao, Yang Li | 2023-01-31 |
| 11542789 | Cavity creation tool by crushing with multi-stage controllable water jet for natural gas hydrate development | Yang Tang, Peng Zhao, Guorong Wang, Jinhai Zhao, Jinzhong Wang +7 more | 2023-01-03 |