Issued Patents 2020
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10876945 | Method for evaluating breakage strength of first and second cemented surfaces of well cementation under dynamic load | Xiaowei Cheng, Dan Qin, Kaiyuan Mei, Kaiqiang Liu, Gaoyin Zhang +7 more | 2020-12-29 |