Issued Patents 2020
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10851647 | Downhole vibration and impact data recording method | Zhongxing Wang, Yongyou Yang, Qingyun Di, Zili Wang, Tianxin Zhang +2 more | 2020-12-01 |
| 10837235 | Hybrid rotary guiding device | Qingbo Liu, Qingyun Di, Tsili Wang, Jiansheng Du, Yongyou Yang +3 more | 2020-11-17 |
| 10830037 | Constant amplitude adjusting method and system for pressure pulse of drilling tool | Jiansheng Du, Qingyun Di, Zili Wang, Xinzhen He, Yongyou Yang | 2020-11-10 |
| 10815730 | Anti-rotating device of non-rotating sleeve and a rotary guiding device | Qingbo Liu, Qingyun Di, Tsili Wang, Jiansheng Du, Yongyou Yang +3 more | 2020-10-27 |
| 10746756 | Dynamic testing device suitable for drilling tool attitude measurement module | Wenxiu Zhang, Yongyou Yang, Jian Zheng, Yuntao Sun, Qingyun Di +1 more | 2020-08-18 |
| 10693268 | Conductive slip ring for logging while drilling instrument | Xinzhen He, Qingyun Di, Jiansheng Du, Qingbo Liu | 2020-06-23 |
| 10662764 | Near-bit constant-power wireless short-distance transmission method and apparatus | Yuntao Sun, Wenxiu Zhang, Yongyou Yang, Jian Zheng | 2020-05-26 |
| 10619478 | Device for power transmission and signal transfer between stator and rotor of screw drilling tool | Xinzhen He, Qingyun Di, Jiansheng Du, Qingbo Liu, Yongyou Yang | 2020-04-14 |
| 10612372 | Azimuthal acoustic logging while drilling apparatus and measurement method | Wenxiu Zhang, Qingyun Di, Jian Zheng, Yuntao Sun, Yongyou Yang | 2020-04-07 |
| 10578754 | Sinusoidal excitation method and apparatus for multi-pole acoustic logging while drilling | Yuntao Sun, Zili Wang, Wenxiu Zhang, Yongyou Yang, Qingyun Di +1 more | 2020-03-03 |