Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12196725 | Evaluation apparatus for seal integrity of wellbores in full life cycle and evaluation methods thereof | Duo Hou, Zhi Zhang, Huabo Yang, Jian Ren, Taihe Shi | 2025-01-14 |
| 11828733 | Device for testing strength and sealing performance of cement sheath after perforation and using method thereof | Duo Hou, Zhi Zhang, Jian Dong Ding, Jiawei Wang, Taihe Shi | 2023-11-28 |