Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11898414 | Method for filling oil-gas well of fractured oil-gas reservoir with isolation particles to reduce water and increase oil production | Songmei Zhang, Guojiang Feng, Hailong Wang | 2024-02-13 |
| 9664014 | Method and system for segmental flow control in oil-gas well | Yong Xue, Songmei Zhang | 2017-05-30 |
| 9151142 | Segmental flow control method and apparatus for a flow control filter string in an oil-gas well | Jianchang Wu | 2015-10-06 |
| 9080426 | Anti-channeling pack-off particles used in a production section of an oil-gas well, and completion method and production method using such particles | Feng Zhang | 2015-07-14 |
| 9022110 | Segmental flow-control method for flow-control filter string in oil-gas well and oil-gas well structure | Yong Xue | 2015-05-05 |