Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11372128 | Method and system for detecting downhole magnetic interference on measurement while drilling operations | Jun Han, Sheng Zhan, Jinhai Zhao | 2022-06-28 |
| 11225863 | Method for controlling a drilling system | Jun Han, Sheng Zhan, Jinhai Zhao | 2022-01-18 |
| 11225864 | Method for controlling MWD tool in bottom hole assembly | Jun Han, Sheng Zhan, Jinhai Zhao | 2022-01-18 |
| 11187076 | Central storage unit for a measuring-while-drilling assembly for an oil drilling system | Jun Han, Sheng Zhan, Jinhai Zhao | 2021-11-30 |
| 11112777 | Independent high-speed sampling for an oil drilling system | Jun Han, Sheng Zhan, Jinhai Zhao | 2021-09-07 |
| 11029677 | Method of assessing reliability of electronics assemblies under drilling vibration conditions | Sheng Zhan, Jinhai Zhao, Herong Zheng | 2021-06-08 |
| 10738598 | System and method for transmitting signals downhole | Jun Han, Sheng Zhan, Jinhai Zhao | 2020-08-11 |
| 10595418 | Method and apparatus for improving drilling electronics performance | Sheng Zhan, Jinhai Zhao, Herong Zheng | 2020-03-17 |
| 10375826 | High temperature drilling electronics | Sheng Zhan, Jinhai Zhao, Herong Zheng | 2019-08-06 |