Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10975284 | Well cementation working solution prepared from red mud, slag and waste drilling fluids | Xiaowei Cheng, Dan Long, Kaiyuan Mei, Kaiqiang Liu, Dan Qin +8 more | 2021-04-13 |