Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11733121 | Sealing integrity evaluation device for high-temperature and high- pressure casing-cement ring-formation and method thereof | Zhi Zhang, Duo Hou, Huali Zhang, Yufei Li, You Wu +4 more | 2023-08-22 |
| 11624022 | Preparation method for the plant-based nano corrosion inhibition bactericide for oilfield and application thereof | Haonan LI, Zhi Zhang, Junying Hu, Li Zhou, Xi YUAN +1 more | 2023-04-11 |
| 11378501 | Rotary fatigue tester with complex loads | Zhi Zhang, Yuanjin Zhao, Duo Hou, Nan Cai, Pengfei Sang +3 more | 2022-07-05 |