Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11125071 | Downhole failure analysis and processing method based on the particle diameter distribution of cuttings | Wenfeng Yin | 2021-09-21 |
| 11008851 | Ultrasonic wellbore anti-collision monitoring system and monitoring method | Qifu Xiao, Qian Li | 2021-05-18 |