Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |