Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11360235 | Modeling method and method for diagnosing lost circulation | Yan Jin, Mian CHEN, Zejun Li, Hanqing Wang, Yang Xia +4 more | 2022-06-14 |
| 10550688 | Apparatus for physical simulation experiment for fracturing in horizontal well layer by layer by spiral perforation and method thereof | Bing Hou, Zhi-Yong Chang, Yan Jin, Mian CHEN, Botao Lin +2 more | 2020-02-04 |