Issued Patents 2022
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11525079 | Preparation method of fully adaptive modified nanographene plugging type anti-collapse drilling fluid and use thereof | Dezhi Liu, Jing Zhang, Pingya Luo, Gang Xie, Feng-Wei Dai +1 more | 2022-12-13 |
| 11485896 | Oil-based drilling fluid composition, oil-based drilling fluid and preparation method and use thereof | Daoxiong Li, Pingya Luo, Wen Xu, Wenzhe Li, Lingfeng Wu +3 more | 2022-11-01 |
| 11453814 | Pressure-bearing plugging agent and preparation method and use thereof | Lingfeng Wu, Pingya Luo, Haibo Liang, Wen Xu, Wenzhe Li +4 more | 2022-09-27 |
| 11441062 | Modified polyvinyl acetate and preparation method and use thereof and oil-based drilling fluid | Chunyan Liu, Pingya Luo, Gang Xie, Danchao Huang, Dezhi Liu +3 more | 2022-09-13 |
| 11445013 | Method for changing member in distributed system and distributed system | Lei Chen | 2022-09-13 |
| 11396621 | Pressure-bearing plugging composition, pressure-bearing plugging slurry and preparation method and use thereof | Lingfeng Wu, Pingya Luo, Jinsheng Sun, Haibo Liang, Wen Xu +4 more | 2022-07-26 |
| 11345841 | Fiber silica composite microsphere for shale stratum, drilling fluid and preparation method and use thereof | Lingfeng Wu, Pingya Luo, Wenzhe Li, Feng-Wei Dai, Gang Xie +3 more | 2022-05-31 |
| 11305345 | Method for preparing neodymium-iron-boron permanent magnetic material | Liangcheng Sun, Zhanfeng Yang, Zhihong Zhang, Xiaoyu Liu, Shufeng Liu +13 more | 2022-04-19 |
| 11263829 | Using a predicted color for both visibility evaluation and signal robustness evaluation | Alastair M. Reed, Tomas Filler, Kristyn R. Falkenstern | 2022-03-01 |
| 11250535 | Detecting conflicts between multiple different encoded signals within imagery, using only a subset of available image data, and robustness checks | Vojtech Holub, Vahid Sedighianaraki | 2022-02-15 |
| 11250226 | Detecting conflicts between multiple different encoded signals within imagery, using only a subset of available image data | Vahid Sedighianaraki, Vojtech Holub | 2022-02-15 |
| 11225594 | Drilling fluid for enhancing stratum pressure bearing capacity and preparation method and method of using thereof | Pingya Luo, Hao Zhang, Cheng Li, Yan Cheng, Guojun Li +2 more | 2022-01-18 |