Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12384953 | Strongly adsorbed hyper-branched filtrate reducer for water-based drilling fluid with resistance to 240° C. and saturated salinity, preparation method therefor and use thereof | Jinsheng Sun, Jingping Liu, Fengbao Liu, Meichun Li, Jiafeng Jin +3 more | 2025-08-12 |
| 12378458 | Phase change microcapsule for drilling fluid cooling and its preparation method and application | Mei Li, Ziyan Li, Jinsheng Sun, Jingping Liu, Yingrui Bai +4 more | 2025-08-05 |
| 12269985 | High density environmentally friendly polymer water-based drilling fluid with resistance to 240° C. and saturated salts, preparation method therefor and use thereof | Jinsheng Sun, Jingping Liu, Meichun Li, Jiafeng Jin, Jintang Wang +2 more | 2025-04-08 |
| 12264279 | High-temperature and high-salt resistant hyperbranched lubricant for water-based drilling fluid, and preparation and application thereof | Jian Li, Jinsheng Sun, Jingping Liu, Meichun Li, Yingrui Bai +4 more | 2025-04-01 |
| 12215274 | Resin slurry plugging system suitable for fractured-vuggy formation and preparation and use thereof | Yingrui Bai, Jingbin Yang, Jinsheng Sun, Yang Bai, Ren Wang +3 more | 2025-02-04 |
| 12110449 | Bio-enzyme degradable temporary plugging material and preparation method and application thereof | Jintang Wang, Bo Liao, Xiaohui Sun, Jiaqi Xu, Yingrui Bai +7 more | 2024-10-08 |
| 12043742 | Oil-soluble thermosensitive resin lost circulation material for protecting a reservoir as well as preparation method and application thereof | Yingrui Bai, Jinsheng Sun, Guancheng Jiang, Rongchao Cheng, Weian Huang +6 more | 2024-07-23 |
| 11970655 | High temperature and high salinity-resistant complementarily rigid-flexible plugging agent and method for preparing the same and water-based drilling fluid and use thereof | Jingping Liu, Jinsheng Sun, Meichun Li, Jintang Wang, Jiafeng Jin +4 more | 2024-04-30 |
| 11807802 | Nano-organosilicon film-forming and hydrophobic shale surface hydration inhibitor and its preparation method and application | Xianbin Huang, Jinsheng Sun, He Li, Jingping Liu, Jiafeng Jin +2 more | 2023-11-07 |
| 11578250 | Cementitious plugging wall solidifer for water-based drilling fluid, and a preparation method thereof and a water-based drilling fluid | Jingping Liu, Jinsheng Sun, Jintang Wang, Jiafeng Jin, Yingrui Bai +3 more | 2023-02-14 |
| 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, Jingping Liu, 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, Ren Wang, Jingping Liu, 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, Xianbin Huang, Xiaosen Shang, Jiafeng Jin +2 more | 2022-07-12 |
| 11072738 | Environment-friendly high-temperature resistant water-based drilling fluid plugging anti-sloughing agent, preparation method thereof and the water-based drilling fluid | Xianbin Huang, Jinsheng Sun, Jingping Liu, Yingrui Bai, Jintang Wang +1 more | 2021-07-27 |
| 10876034 | Modified silicon dioxide material of fluorocarbon active agent type super-amphiphobic cutting-carrying agent suitable for water-based drilling fluid and preparation method thereof | Guancheng Jiang, Xiaoxiao Ni, Yinbo He, Lili Yang, Tengfei Dong +7 more | 2020-12-29 |
| 10647902 | Temporary plugging agent for drilling fluid and preparation method thereof, and water-based drilling fluid and use thereof | Weian Huang, Jingwen Wang, Ming Lei, Jiaqi Zhang, Gongrang Li +2 more | 2020-05-12 |
| 10392552 | Water-based drilling fluid for protecting fractured reservoirs, and preparation method and use thereof | Jinsheng Sun, Jingping Liu | 2019-08-27 |
| 10040984 | Water-based drilling fluid for protecting high-permeability reservoirs, and preparation method and use thereof | Jinsheng Sun, Jingping Liu | 2018-08-07 |
| 9771509 | Polymer elastic particle reservoir protecting agent and drilling fluid containing the same | Jinsheng Sun, Jingping Liu | 2017-09-26 |
| 9701884 | Nanometer film structured reservoir protecting agent, drilling fluid containing the same and use thereof in low-permeability reservoirs | Jinsheng Sun, Jingping Liu | 2017-07-11 |
| 9683160 | Composition comprising a nanometer film structured reservoir protecting agent and a water block preventing agent, and drilling fluid containing the same and use thereof for drilling in low-permeability reservoirs | Jinsheng Sun, Jingping Liu | 2017-06-20 |