Issued Patents 2021
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11098572 | Boundary tracking control module for rotary steerable systems | Borislav J. Tchakarov | 2021-08-24 |
| 11021911 | Rotary guiding device based on radial driving force | Qingbo Liu, Qingyun Di, Wenxuan Chen, Jiansheng Du, Yongyou Yang +3 more | 2021-06-01 |
| 11008850 | Apparatus and methods for making azimuthal resistivity measurements | — | 2021-05-18 |