Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11047226 | Fluid pressure measuring device for measurement-while-drilling tool | Jiansheng Du, Qingyun Di, Wenxuan Chen, Xinzhen He, Yongyou Yang | 2021-06-29 |
| 11029434 | Method for acquiring data of azimuthal acoustic logging while drilling | Qingyun Di, Wenxiu Zhang, Wenxuan Chen, Yuntao Sun, Jian Zheng +1 more | 2021-06-08 |