Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12416224 | Active energy-absorbing shock absorber for perforation combined well testing | Kai Wang, Jialin Tian, Hongtao Liu, Yongzhi Xue, Ruifeng Guo +2 more | 2025-09-16 |
| 11486227 | Reservoir isolation valve for secondary completion | Wenkang Chen, Hongtao Liu, Qiang Zhang | 2022-11-01 |