Issued Patents 2019
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10443307 | Rotary steerable drilling tool and method of control thereof | Jiansheng Du, Qingyun Di, Wenxuan Chen | 2019-10-15 |
| 10436009 | Apparatus for testing the function and performance of a rotary steerable tool in a horizontal or inclined state | Jiansheng Du, Qingyun Di, Wenxuan Chen | 2019-10-08 |
| 10379238 | Integral packaging device for acoustic receiving transducers while drilling | Jian Zheng, Wenxuan Chen, Qingyun Di, Yuntao Sun, Yongyou Yang +1 more | 2019-08-13 |
| 10364670 | Azimuthally acoustic imaging logging while drilling (LWD) apparatus | Jian Zheng, Wenxuan Chen, Qingyun Di, Yuntao Sun, Yongyou Yang +1 more | 2019-07-30 |
| 10344445 | Prefabricated and flexible earthquake-resistant self-resetting structure associated with a subway station | Xiuli Du, Hongtao Liu, Chengshun Xu | 2019-07-09 |
| 10329906 | Acoustic source testing apparatus of azimuthally acoustic logging while drilling (LWD) instrument | Jian Zheng, Wenxuan Chen, Qingyun Di, Yuntao Sun, Yongyou Yang +1 more | 2019-06-25 |