Issued Patents 2019
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10450828 | High temperature high extrusion resistant packer | Chengjiao Yu, Zhiyue Xu, Carlos A. Prieto | 2019-10-22 |
| 10221641 | Downhole tools having controlled degradation and method | Zhihui Zhang, Zhiyue Xu, Juan Carlos Flores Perez, James C. Doane, YingQing Xu | 2019-03-05 |
| 10221642 | Downhole tools having controlled degradation and method | Zhihui Zhang, Zhiyue Xu, Juan Carlos Flores Perez, James C. Doane, YingQing Xu | 2019-03-05 |
| 10221643 | Downhole tools having controlled degradation and method | Zhihui Zhang, Zhiyue Xu, Juan Carlos Flores Perez, James C. Doane, YingQing Xu | 2019-03-05 |
| 10167691 | Downhole tools having controlled disintegration | Zhihui Zhang, Zhiyue Xu, Juan Carlos Perez | 2019-01-01 |