Issued Patents 2022
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11472999 | Water-based gel-consolidation type lost circulation material system suitable for fractured lost circulation formation, preparation method and use thereof | Yingrui Bai, Jinsheng Sun, Kaihe Lv, Xianbin Huang, Jintang Wang +1 more | 2022-10-18 |
| 11421140 | High-temperature resistant, high-strength, and thixotropic gel plugging agent and its preparation method and application | Yingrui Bai, Jinsheng Sun, Kaihe Lv, Ren Wang, Xianbin Huang +2 more | 2022-08-23 |
| 11384275 | High temperature-resistant and high oil-absorption resin particle plugging agent suitable for oil-based drilling fluid and its preparation method | Yingrui Bai, Jinsheng Sun, Kaihe Lv, Xianbin Huang, Xiaosen Shang +2 more | 2022-07-12 |
| 11350646 | Chewing gums with cross-linked hydrocolloids and coupling agents | — | 2022-06-07 |