Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12215580 | Differential pressure sliding sleeve, and oil and gas well fracturing construction method using same | Yongmao Lin, Wei Zhao, Wei Lei, Zhi Xie, Zhimin Hou +4 more | 2025-02-04 |
| 11885201 | Sliding sleeve | Zhenwei Gan, Bin Qi, Zhimin Hou, Yongmao Lin, Tao Liu +4 more | 2024-01-30 |
| 11248444 | Tool for opening sliding sleeve | Zhenwei Gan, Bin Qi, Zhimin Hou, Wei Zhao, Zhi Xie +4 more | 2022-02-15 |
| 11236590 | Device for jet packing and fracturing and tubular column comprising same | Zhenwei Gan, Bin Qi, Zhimin Hou, Wei Lei, Chen Chen +4 more | 2022-02-01 |
| 11142989 | Tool for jet packing and fracturing and tubular column comprising same | Zhenwei Gan, Bin Qi, Zhimin Hou, Yongmao Lin, Yijun Zhou +4 more | 2021-10-12 |