Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12355242 | Distributed photovoltaic regulation method and system considering safety verification | Na Li, Qiang Zhang, Yuanlong Liu, Lei Li, Yudun Li +2 more | 2025-07-08 |
| 12153181 | Noise reduction measurement method of acoustic while drilling data based on signal synchronization | Fuqiang Wei, Wenxiu Zhang, Jian Zheng | 2024-11-26 |
| 11359485 | Full digital device of receiving transducer array of acoustic logging while drilling instrument | Wenxuan Chen, Qingyun Di, Jian Zheng, Wenxiu Zhang | 2022-06-14 |
| 11098579 | Electrode type near bit wireless short distance transmission modulation method and apparatus | Wenxuan Chen, Qingyun Di, Jian Zheng, Wenxiu Zhang | 2021-08-24 |
| 11029434 | Method for acquiring data of azimuthal acoustic logging while drilling | Qingyun Di, Wenxiu Zhang, Wenxuan Chen, Zili Wang, Jian Zheng +1 more | 2021-06-08 |
| 11018648 | Sonic logging broadband impedance matching transformer modular design method and module | Xin Fu, Yang Gou, Wenxuan Chen, Fuqiang Wei | 2021-05-25 |
| 11002128 | Gravity acceleration measurement apparatus and extraction method in a rotating state | Wenxiu Zhang, Wenxuan Chen, Qingyun Di, Jianguang Liu, Yongyou Yang +1 more | 2021-05-11 |
| 10975689 | Near bit wireless constant current short distance transmission method and device | Wenxuan Chen, Qingyun Di, Jian Zheng, Wenxiu Zhang | 2021-04-13 |
| 10928530 | Method for synchronizing acoustic asynchronous serial signals while drilling | Fuqiang Wei, Wenxuan Chen, Wenxiu Zhang, Jian Zheng | 2021-02-23 |
| 10746756 | Dynamic testing device suitable for drilling tool attitude measurement module | Wenxiu Zhang, Yongyou Yang, Jian Zheng, Qingyun Di, Wenxuan Chen +1 more | 2020-08-18 |
| 10662764 | Near-bit constant-power wireless short-distance transmission method and apparatus | Wenxuan Chen, Wenxiu Zhang, Yongyou Yang, Jian Zheng | 2020-05-26 |
| 10612372 | Azimuthal acoustic logging while drilling apparatus and measurement method | Wenxiu Zhang, Qingyun Di, Wenxuan Chen, Jian Zheng, Yongyou Yang | 2020-04-07 |
| 10578754 | Sinusoidal excitation method and apparatus for multi-pole acoustic logging while drilling | Zili Wang, Wenxuan Chen, Wenxiu Zhang, Yongyou Yang, Qingyun Di +1 more | 2020-03-03 |
| 10440267 | System and method for image stitching | Eric Tsang | 2019-10-08 |
| 10428646 | Apparatus for downhole near-bit wireless transmission | Jian Zheng, Wenxuan Chen, Qingyun Di, Yongyou Yang, Wenxiu Zhang | 2019-10-01 |
| 10379238 | Integral packaging device for acoustic receiving transducers while drilling | Jian Zheng, Wenxuan Chen, Qingyun Di, Zili Wang, Yongyou Yang +1 more | 2019-08-13 |
| 10364670 | Azimuthally acoustic imaging logging while drilling (LWD) apparatus | Jian Zheng, Wenxuan Chen, Qingyun Di, Zili Wang, Yongyou Yang +1 more | 2019-07-30 |
| 10329906 | Acoustic source testing apparatus of azimuthally acoustic logging while drilling (LWD) instrument | Jian Zheng, Zili Wang, Wenxuan Chen, Qingyun Di, Yongyou Yang +1 more | 2019-06-25 |
| 10317204 | Near-bit dynamic well deviation angle measurement method and apparatus | Wenxuan Chen, Wenxiu Zhang, Yongyou Yang, Jian Zheng | 2019-06-11 |
| 10202841 | Near-bit tool attitude measurement while drilling apparatus and method | Wenxiu Zhang, Qingyun Di, Wenxuan Chen, Yongyou Yang, Jian Zheng +1 more | 2019-02-12 |
| 10120795 | Wear-leveling nandflash memory reading/writing method | Yongyou Yang, Wenxuan Chen, Qingyun Di, Wenxiu Zhang, Jian Zheng | 2018-11-06 |
| 10082021 | Azimuthally acoustic while drilling signal receiving transducer encapsulating apparatus | Jian Zheng, Wenxuan Chen, Qingyun Di, Yongyou Yang, Wenxiu Zhang | 2018-09-25 |
| 10030504 | Receiving apparatus suitable for azimuthally acoustic logging while drilling | Jian Zheng, Qingyun Di, Wenxuan Chen, Wenxiu Zhang, Yongyou Yang | 2018-07-24 |
| 10025003 | Calibration method under near-bit wireless short-transmission ground envrionment based on electric field theory | Wenxuan Chen, Wenxiu Zhang, Yongyou Yang, Qingyun Di, Jian Zheng | 2018-07-17 |
| 10021299 | System and method for image stitching | Eric Tsang | 2018-07-10 |