Issued Patents 2017
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9631450 | Surface layer conductor running tool for deep-water well drilling | Baojiang Sun, Ning Zhang, Hao Li, Guomin Yan, Mingzhao Huang +1 more | 2017-04-25 |
| 9631454 | Wellbore pressure control system and method for offshore well cementation stages | Baojiang Sun, Xuerui Wang, Yingwen Ma | 2017-04-25 |
| 9598936 | Apparatus and method for monitoring hydrate decomposition area under different drilling and production processes | Ye Chen, Baojiang Sun, Wenchao Sun, Hao Li | 2017-03-21 |