Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12319663 | Alkene-containing amide compound and application thereof | Bing Sun, Huibin Yang, Hongjuan MA, Junwu YING, Dongliang Cui +9 more | 2025-06-03 |
| 11225594 | Drilling fluid for enhancing stratum pressure bearing capacity and preparation method and method of using thereof | Yang Bai, Pingya Luo, Hao Zhang, Cheng Li, Guojun Li +2 more | 2022-01-18 |
| 11162010 | Nanometer plugging water-based drilling fluid and preparation method and use thereof | Yang Bai, Pingya Luo, Guojun Li, Cheng Li, Hao Zhang | 2021-11-02 |
| 10989576 | Method and system for obtaining micro-nano level fracture model and evaluating plugging performance of drilling fluid | Yang Bai, Pingya Luo, Hongbo Li, Cheng Li, Hao Zhang +3 more | 2021-04-27 |
| 10865337 | Multi-functional weighting agent for drilling fluid and preparation method thereof, and water-based drilling fluid and use thereof | Yang Bai, Pingya Luo, Jinsheng Sun, Guancheng Jiang | 2020-12-15 |
| 10829679 | Micro-nanometer plugging anti-collapse drilling fluid and preparation method and use thereof | Yang Bai, Pingya Luo, Cheng Li, Guojun Li, Hao Zhang | 2020-11-10 |
| 10829681 | Modified nano-silica plugging agent, water-based drilling fluid, and preparation method and use thereof | Yang Bai, Pingya Luo, Cheng Li, Hao Zhang, Guojun Li | 2020-11-10 |
| 10533122 | Strong plugging drilling fluid composition and preparation method thereof, and use thereof | Yang Bai, Cheng Li, Guojun Li, Hao Zhang, Guancheng Jiang +2 more | 2020-01-14 |
| 10487255 | Expandable plugging agent and preparation method thereof, micro-capsule plugging agent, water-based drilling fluid, and use thereof | Yang Bai, Pingya Luo, Jinsheng Sun, Guancheng Jiang, Jiading Deng +1 more | 2019-11-26 |
| 10336932 | Micro-nano composite plugging agent for drilling fluid and preparation method thereof, and drilling fluid and use thereof | Yang Bai, Pingya Luo, Jinsheng Sun, Guancheng Jiang, Jiading Deng +1 more | 2019-07-02 |
| 8455532 | Pyrazolyl acrylonitrile compounds and uses thereof | Bin Li, Haibo Yu, Hong Zhang, Yanmei Luo, Lizeng Wang +2 more | 2013-06-04 |