Issued Patents All Time
Showing 26–26 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9777559 | Reliability assessment and risk management for managed pressure drilling | Sheng Zhan, Herong Zheng, Weiping Xu | 2017-10-03 |
Showing 26–26 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9777559 | Reliability assessment and risk management for managed pressure drilling | Sheng Zhan, Herong Zheng, Weiping Xu | 2017-10-03 |