Issued Patents 2017
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9631444 | Kick information identification apparatus and method assisted for wellbore pressure control during horizontal drilling | Baojiang Sun, Xiaohui Sun, Jianliang Zhou | 2017-04-25 |
| 9605499 | Subsea wellhead pressure indicating and automatic adjusting device for deep-water dual-gradient drilling | Baojiang Sun, Zhennan Zhang, Ning Wang, Xuerui Wang, Guomin Yan +1 more | 2017-03-28 |
| 9594038 | Device and method for measuring supercritical carbon dioxide fracturing fluid throttling coefficient under different viscosities | Jintang Wang, Baojiang Sun, Yun Liu, Hao Li, Jianbo Zhang | 2017-03-14 |