Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10626704 | Intelligent switching valve for reservoir reformation and production monitoring and control and construction method therefor | Haiyan ZHU, Gui-Lin Chen, Guorong Wang | 2020-04-21 |
| 10590708 | Mechanics experiment system and method for perforated string in underground perforating blasting of oil-gas well | Jun Liu, Xiaoqiang Guo, Guorong Wang, Haiyan ZHU, Xian Liu | 2020-03-17 |
| 10550647 | Downhole automatic connection device and method for oil pipe internal communication cable used for intelligent layered water injection | Yang Tang, Guorong Wang, Wang Li | 2020-02-04 |
| 10233694 | Dynamic inwardly eccentrically-placed directional drill bit type rotation guidance apparatus | Wei Li, Hongxiang Lei, Shihong Xiao, Xu Si, Tieshan ZHANG +8 more | 2019-03-19 |
| 9476292 | Deepwater drilling condition based marine riser mechanical behavior test simulation system and test method | Shouwei Zhou, Liangjie Mao | 2016-10-25 |
| 9316340 | Actively driven spiral pipeline robot | Tao Ren, Yonghua Chen | 2016-04-19 |
| 9206662 | Underground annular blowout preventer and assembly process thereof | Wei Li | 2015-12-08 |