Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11891563 | pH-sensitive temporary plugging agent, preparation method thereof, and use thereof in exploitation of low-permeability oil reservoir | Huan Yang, Zhuyang Jiang, Xiaorong Yu, Kailu Wang, Beibei Zhang +2 more | 2024-02-06 |
| 11479714 | Profile control and oil displacement agent for oil reservoir and preparation method thereof | Xiaorong Yu, Huan Yang, Wei Wang | 2022-10-25 |
| 11472997 | Temperature-responsive self-degradable temporary plugging agent and preparation method thereof as well as its application in plugging the wellbore | Huan Yang, Xiaorong Yu, Qiang Li, Wenchuan Wu, Jieqiong Cheng +2 more | 2022-10-18 |