Issued Patents 2016
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9347297 | Downhole casing expansion tool and method of expanding casings using the same | Zuohui Li, Ming TANG, Liugen Wu, Jianzhong Ma, Peng Cai +6 more | 2016-05-24 |
| 9227906 | Benzene ring containing compound, sealing gel, process for preparing same and use thereof | Ang Xiao, Sunghun Song | 2016-01-05 |