Issued Patents 2021
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11047226 | Fluid pressure measuring device for measurement-while-drilling tool | Jiansheng Du, Qingyun Di, Zili Wang, Wenxuan Chen, Xinzhen He | 2021-06-29 |
| 11029434 | Method for acquiring data of azimuthal acoustic logging while drilling | Qingyun Di, Wenxiu Zhang, Wenxuan Chen, Zili Wang, Yuntao Sun +1 more | 2021-06-08 |
| 11021911 | Rotary guiding device based on radial driving force | Qingbo Liu, Qingyun Di, Tsili Wang, Wenxuan Chen, Jiansheng Du +3 more | 2021-06-01 |
| 11002128 | Gravity acceleration measurement apparatus and extraction method in a rotating state | Wenxiu Zhang, Wenxuan Chen, Qingyun Di, Jianguang Liu, Yuntao Sun +1 more | 2021-05-11 |