Issued Patents 2020
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10870790 | Tri-cationic viscoelastic surfactant, preparation method and application thereof and clean fracturing fluid | Jincheng Mao, Jinming Fan, Xiaojiang Yang | 2020-12-22 |
| 10801312 | Experimental apparatus and method for simulating transport of sand-carrying fluid in fracturing fractures | Yongquan Hu, Chaoneng Zhao, Feng Hui, Qiang Wang, Jin Zhao | 2020-10-13 |
| 10689972 | Automatic diagnosis method for wellhead pressure curve of hydraulic fracturing in shale gas horizontal well | Lan Ren, Ran Lin, Kuidong Li, Yuanzhao Li | 2020-06-23 |
| 10677961 | Method for optimizing perforation parameters to maintain uniform fracture growth in multi-stage hydraulic fracturing of horizontal well | Xiyu Chen, Yongming Li, Youshi Jiang, Wenjun Xu, Dongyu Fu | 2020-06-09 |
| 10633576 | Ultra-high temperature fracturing fluid | Jincheng Mao, Yang Zhang, Xiaojiang Yang, Heng Zhang | 2020-04-28 |
| 10627543 | Method for predicting reservoir reform volume after vertical well volume fracturing of low-permeability oil/gas reservoir | Yongming Li, Wenjun Xu, Youshi Jiang, Liehui Zhang | 2020-04-21 |
| 10570239 | Surface-active two-tailed hydrophobic associated polymer and preparation method thereof | Yongming Li, Qiang Ren, Liehui Zhang | 2020-02-25 |