Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12391861 | Cement slurry system, preparation method therefor and use thereof | Jianzhou Jin, Yuchao Guo, Hong Yue, Youcheng Zheng, Hua Zhang +20 more | 2025-08-19 |
| 12305116 | Ultra-high temperature resistant cement slurry system for cementing and preparation method and use thereof | Jianzhou Jin, Lili Chen, Yuchao Guo, Hua Zhang, Fuchen Liu +25 more | 2025-05-20 |
| 11926787 | Well cementing method for improving well cementing quality by controlling hydration heat of cement slurry | Shuoqiong Liu, Hua Zhang, Jianzhou Jin, Ming Xu, Fengzhong Qi +20 more | 2024-03-12 |
| 11618844 | High temperature resistant Portland cement slurry and production method thereof | Hua Zhang, Jianzhou Jin, Shuoqiong Liu, Fengzhong Qi, Ming Xu +7 more | 2023-04-04 |
| 10975284 | Well cementation working solution prepared from red mud, slag and waste drilling fluids | Xiaowei Cheng, Dan Long, Kaiyuan Mei, Kaiqiang Liu, Gaoyin Zhang +8 more | 2021-04-13 |
| 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 |