Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12276191 | Electromagnetic reversal downhole pressure intensifier | Hualin Liao, Yuhang He, Wenlong Niu, Huajian Wang, Yuntao Liao +2 more | 2025-04-15 |
| 10927607 | Drilling speed increasing device driven by downhole motor for generating shock vibration | Hualin Liao, Can Yi, Zhichuan Guan, Zhonghai Zhou, Yucai Shi +1 more | 2021-02-23 |
| 10787886 | Auxiliary feeding device for flexible pipe of radial horizontal well | Zhongwei Huang, Jingbin LI, Gensheng Li, Zhen Cheng | 2020-09-29 |
| 10718176 | Drilling speed improvement device capable of producing both hydraulic pulse and impact vibration | Hualin Liao, Zhichuan Guan, Yandong Yang, Yucai Shi, Yongwang Liu +1 more | 2020-07-21 |
| 10697277 | Simulation device and method for integrated evaluation experiment for sand control wellbore plugging and plugging removal | Hualin Liao, Lin Dong, Changyin Dong, Wenhao Ma, Shuai Yang +3 more | 2020-06-30 |
| 9115541 | Impulse-type underground supercharged jet drilling method and device | Gensheng Li, Zhongwei Huang, Huaizhong Shi, Shouceng TIAN, Jiasheng Fu | 2015-08-25 |