Issued Patents 2023
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11820936 | Scour-resistant interface enhancer used for well cementing of coalbed methane wells, preparation method, and application | Shenglai Guo, Yuhuan Bu, Lingyun Zhao, Yuanlong Wei, Qi Zhao +3 more | 2023-11-21 |
| 11719658 | Method of cement for well cementing in penetrated hydrate layer | Yuhuan Bu, Shengda Shen, Huajie Liu, Shenglai Guo, Xun Shan +1 more | 2023-08-08 |
| 11594245 | Bifunctional turntable | Shen-Keng Liu | 2023-02-28 |
| 11567018 | Cement performance evaluation device and cement design method for cementing in penetrated hydrate deposit | Huajie Liu, Yuhuan Bu, Shenglai Guo, Xinyang Guo, Shengda Shen +1 more | 2023-01-31 |