Issued Patents 2021
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |