Issued Patents 2023
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11834605 | Geopolymer cementing fluid with controllable thickening time | Shenglai Guo, Kunpeng Li, Yang Li, Ming Li, Jiaxin Zhao +1 more | 2023-12-05 |
| 11820936 | Scour-resistant interface enhancer used for well cementing of coalbed methane wells, preparation method, and application | Shenglai Guo, Yuhuan Bu, Chang Lu, Lingyun Zhao, Yuanlong Wei +3 more | 2023-11-21 |
| 11719658 | Method of cement for well cementing in penetrated hydrate layer | Yuhuan Bu, Shengda Shen, Chang Lu, Shenglai Guo, Xun Shan +1 more | 2023-08-08 |
| 11685683 | High-strength geopolymer hollow microsphere, preparation method thereof and phase change energy storage microsphere | Yuhuan Bu, Rui Ma, Shenglai Guo, Longlong An | 2023-06-27 |
| 11567018 | Cement performance evaluation device and cement design method for cementing in penetrated hydrate deposit | Yuhuan Bu, Shenglai Guo, Chang Lu, Xinyang Guo, Shengda Shen +1 more | 2023-01-31 |