Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11603488 | Process for preparing metal-chelate retarder by sol-gel method | Xiaowei Cheng, Shuxun Zhao, Yang Yu, Zhihui Lin, Chaoming Wu +10 more | 2023-03-14 |
| 11345844 | Oil well cement slurry high-temperature suspension stabilizer prepared from oil-based shale drilling cuttings | Xiaowei Cheng, Shunxiang Luo, Zuwei Chen, Sheng-Po Huang, Kaiqiang Liu +5 more | 2022-05-31 |
| 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 |
| 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, Xianshu Gao +7 more | 2020-12-29 |