Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11905812 | Intra-layer reinforcement method, and consolidation and reconstruction simulation experiment system and evaluation method for gas hydrate formation | Yuhuan Bu, Huajie Liu, Dong Lin, Shenglai Guo, Chang Lu +4 more | 2024-02-20 |
| 11866367 | Oil well cement composite permeation enhancement agent suitable for hydrate layer and preparation method | Chang Lu, Huajie Liu, Shenglai Guo, Yuhuan Bu, Changyou Xiang +1 more | 2024-01-09 |
| 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 |
| 11567018 | Cement performance evaluation device and cement design method for cementing in penetrated hydrate deposit | Huajie Liu, Yuhuan Bu, Shenglai Guo, Chang Lu, Shengda Shen +1 more | 2023-01-31 |
| 11136490 | PH sensitive water-absorbent resin suitable for oil well cement slurry and application thereof | Yuhuan Bu, Chunyu Wang, Huajie Liu, Leiju Tian | 2021-10-05 |