Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12146104 | CO2 responsive core-shell multi-stage swelling microsphere and preparation method thereof | Daijun Du, Zezhou Fang, Wanfen Pu, Jinzhou Zhao, Yangyang Zhang +2 more | 2024-11-19 |
| 11702585 | Tight oil reservoir CO2 flooding multi-scale channeling control system and preparation method | Daijun Du, Huancai Fan, Wanfen Pu, Rui Liu, Lin Sun +2 more | 2023-07-18 |
| 11118102 | Mine application method for in-situ nano-microspheres to increase crude oil recovery rate | Wanfen Pu, Rui Liu | 2021-09-14 |
| 11015109 | Particulate profile control agent self-adaptive to size of formation pore throat and preparation method thereof | Daijun Du, Wanfen Pu, Xiang Li, Ye Ju, Kexing Li +6 more | 2021-05-25 |