Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12286583 | Polymer viscosity reducer for water-based drilling fluid and preparation method thereof | — | 2025-04-29 |
| 12134730 | Asphalt-like material and preparation method and use thereof as plugging agent, and water-based drilling fluid | Mingbiao Xu, Kai JIAO, Shusheng Zhou | 2024-11-05 |
| 11834387 | Quaternary ammonium salt and preparation method and use thereof as inhibitor, and water-based drilling fluid and use thereof | Mingbiao Xu, Kai JIAO, Shusheng Zhou | 2023-12-05 |
| 11787893 | Polyaspartic acid derivative and preparation method and use thereof as lubricant, and water-based drilling fluid and use thereof | Mingbiao Xu, Kai JIAO, Shusheng Zhou | 2023-10-17 |
| 11008496 | Composition for preparing anti-wear lubricant for drilling fluid and preparation method of anti-wear lubricant for drilling fluid and drilling fluid | Mingbiao Xu, Xingchun Li, Jiao Wu, Shanshan Hou, Man Shu | 2021-05-18 |
| 10836947 | Water-based drilling fluids for deepwater drilling and use thereof | Mingbiao Xu, Zhong Li, Yanjun Li, Hexing Liu, Shanshan Zhou | 2020-11-17 |
| 10793759 | Sulfur- and phosphorus-free extreme pressure lubricant and preparation method and application thereof | Mingbiao Xu, Shanshan Hou, Jiao Wu | 2020-10-06 |