Issued Patents All Time
Showing 26–50 of 77 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11396777 | Rotary steering drilling apparatus | Qijun Xie, Qingbo Liu, Yongyou Yang, Linfeng Hong, Xiangyang Wang | 2022-07-26 |
| 11378713 | Method for collecting and processing tensor artificial-source electromagnetic signal data and device thereof | Changmin Fu | 2022-07-05 |
| 11359485 | Full digital device of receiving transducer array of acoustic logging while drilling instrument | Yuntao Sun, Wenxuan Chen, Jian Zheng, Wenxiu Zhang | 2022-06-14 |
| 11360225 | Earthquake evaluation method based on multi-type geophysical data | Fei Tian, Yongyou Yang, Zhongxing Wang, Wenhao Zheng, Renzhong Pei +1 more | 2022-06-14 |
| 11313984 | Method and system for electromagnetic method (EM) signal detection based on onshore sparker source | Xin Wu, Guoqiang Xue | 2022-04-26 |
| 11306539 | Executing mechanism for rotary guide device and rotary guide device | Qingbo Liu, Yongyou Yang, Xiangyang Wang, Qijun Xie | 2022-04-19 |
| 11306540 | Push type rotary guide drilling system | Qingbo Liu, Xiangyang Wang, Yongyou Yang, Qijun Xie, Xinzhen He | 2022-04-19 |
| 11274542 | Self-adjusting damping vibration absorber for while-drilling instruments and adjusting method thereof | Xinzhen He, Jiansheng Du | 2022-03-15 |
| 11241798 | Source automatic mounting and demounting control system and method for nuclear logging instruments | Jian Zheng, Wenxuan Chen, Wenxiu Zhang, Wenqiang YUAN | 2022-02-08 |
| 11201606 | CSAMT transmitter | Qihui Zhen, Quanmin Yang | 2021-12-14 |
| 11187824 | Method and device for surface-borehole transient electromagnetic detection | Guoqiang Xue, Shucai Liu, Zhihai Jiang, Weiying Chen, Jianhua Yue | 2021-11-30 |
| 11098579 | Electrode type near bit wireless short distance transmission modulation method and apparatus | Yuntao Sun, Wenxuan Chen, Jian Zheng, Wenxiu Zhang | 2021-08-24 |
| 11081837 | Multi core plug in electrical connection structure for logging while drilling tools | Xinzhen He | 2021-08-03 |
| 11047226 | Fluid pressure measuring device for measurement-while-drilling tool | Jiansheng Du, Zili Wang, Wenxuan Chen, Xinzhen He, Yongyou Yang | 2021-06-29 |
| 11029434 | Method for acquiring data of azimuthal acoustic logging while drilling | Wenxiu Zhang, Wenxuan Chen, Zili Wang, Yuntao Sun, Jian Zheng +1 more | 2021-06-08 |
| 11021911 | Rotary guiding device based on radial driving force | Qingbo Liu, Tsili Wang, Wenxuan Chen, Jiansheng Du, Yongyou Yang +3 more | 2021-06-01 |
| 11002128 | Gravity acceleration measurement apparatus and extraction method in a rotating state | Wenxiu Zhang, Wenxuan Chen, 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, Wenxuan Chen, Jian Zheng, Wenxiu Zhang | 2021-04-13 |
| 10955578 | Device and method for ground source transient electromagnetic near-field detection and related device | Guoqiang Xue, Weiying Chen, Shu-Ping Yan, Nannan Zhou | 2021-03-23 |
| 10901048 | Electronic magnetometer and method for measuring magnetic field | Lin Zhao, Aimin Du, Shuquan Sun, Heng Tang, Qiong Li +2 more | 2021-01-26 |
| 10877178 | Method for suppressing airborne transient electromagnetic in-band vibration noise | Xin Wu, Guoqianq Xue | 2020-12-29 |
| 10851647 | Downhole vibration and impact data recording method | Zhongxing Wang, Yongyou Yang, Zili Wang, Wenxuan Chen, Tianxin Zhang +2 more | 2020-12-01 |
| 10839278 | Electromagnetic exploration method using full-coverage anti-interference artificial source | Changmin Fu, Miaoyue Wang, Da Lei, Ruo Wang, Zhiguo An +3 more | 2020-11-17 |
| 10838099 | Multi-mode data observation method based on unmanned aerial vehicle formation for semi-airborne electromagnetic surveying | Xin Wu, Guoqiang Xue | 2020-11-17 |
| 10837235 | Hybrid rotary guiding device | Qingbo Liu, Tsili Wang, Wenxuan Chen, Jiansheng Du, Yongyou Yang +3 more | 2020-11-17 |