Issued Patents 2023
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11828733 | Device for testing strength and sealing performance of cement sheath after perforation and using method thereof | Duo Hou, Zhongling Xiao, Zhi Zhang, Jian Dong Ding, Jiawei Wang | 2023-11-28 |