Issued Patents 2017
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9631454 | Wellbore pressure control system and method for offshore well cementation stages | Baojiang Sun, Xuerui Wang, Yonghai Gao | 2017-04-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9631454 | Wellbore pressure control system and method for offshore well cementation stages | Baojiang Sun, Xuerui Wang, Yonghai Gao | 2017-04-25 |