Issued Patents All Time
Showing 1–25 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12411259 | Phase-controlled excitation downhole nuclear magnetic resonance imaging device and method | Wei Liu, Wenxiu Zhang | 2025-09-09 |
| 12192355 | Method for positioning terminal device, electronic device and storage medium | Nan Fan | 2025-01-07 |
| 12153186 | Signal acquisition method and device of azimuthal electromagnetic wave resistivity instrument while drilling | Yali Zhang, Wenxiu Zhang | 2024-11-26 |
| 12084960 | Method for synchronizing azimuth detection data while drilling and device for azimuth detection while drilling | Hong LI, Wenxiu Zhang, Yali Zhang, Wei Liu | 2024-09-10 |
| 11359485 | Full digital device of receiving transducer array of acoustic logging while drilling instrument | Yuntao Sun, Qingyun Di, Jian Zheng, Wenxiu Zhang | 2022-06-14 |
| 11241798 | Source automatic mounting and demounting control system and method for nuclear logging instruments | Jian Zheng, Qingyun Di, Wenxiu Zhang, Wenqiang YUAN | 2022-02-08 |
| 11098579 | Electrode type near bit wireless short distance transmission modulation method and apparatus | Yuntao Sun, Qingyun Di, Jian Zheng, Wenxiu Zhang | 2021-08-24 |
| 11047226 | Fluid pressure measuring device for measurement-while-drilling tool | Jiansheng Du, Qingyun Di, Zili Wang, Xinzhen He, Yongyou Yang | 2021-06-29 |
| 11029434 | Method for acquiring data of azimuthal acoustic logging while drilling | Qingyun Di, Wenxiu Zhang, Zili Wang, Yuntao Sun, Jian Zheng +1 more | 2021-06-08 |
| 11021911 | Rotary guiding device based on radial driving force | Qingbo Liu, Qingyun Di, Tsili Wang, Jiansheng Du, Yongyou Yang +3 more | 2021-06-01 |
| 11018648 | Sonic logging broadband impedance matching transformer modular design method and module | Xin Fu, Yuntao Sun, Yang Gou, Fuqiang Wei | 2021-05-25 |
| 11002128 | Gravity acceleration measurement apparatus and extraction method in a rotating state | Wenxiu Zhang, Qingyun Di, Jianguang Liu, Yuntao Sun, Yongyou Yang +1 more | 2021-05-11 |
| 10975689 | Near bit wireless constant current short distance transmission method and device | Yuntao Sun, Qingyun Di, Jian Zheng, Wenxiu Zhang | 2021-04-13 |
| 10928530 | Method for synchronizing acoustic asynchronous serial signals while drilling | Fuqiang Wei, Yuntao Sun, Wenxiu Zhang, Jian Zheng | 2021-02-23 |
| 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 |
| 10443307 | Rotary steerable drilling tool and method of control thereof | Jiansheng Du, Qingyun Di, Zili Wang | 2019-10-15 |