Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11293254 | Expansion tool assembly for expandable tubular | Quanli Zhang, Binggui Xu, Depei Shi, Hongwei Yin, Huijuan Guo +12 more | 2022-04-05 |
| 10858917 | Expandable liner hanger | Quanli Zhang, Hongwei Yin, Wanjun Li, Huijuan Guo, Guojun Liu +11 more | 2020-12-08 |
| 10641067 | Mechanical and hydraulic dual-effect expansion device for well drilling with expandable tubular technology | Binggui Xu, Hongwei Yin, Huijuan Guo, Zhitong Liu, Jianli Wang +6 more | 2020-05-05 |
| 10450801 | Casing windowing method and tool using coiled tubing | Yanping Zhang, Xuehui LI, Qianli Wu, Yongliang Yu, Chuan Cao +2 more | 2019-10-22 |