Issued Patents 2021
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11142978 | Packer assembly including an interlock feature | Guijun Deng, YingQing Xu | 2021-10-12 |
| 11091967 | Steam and inflow control for SAGD wells | Kousha Gohari, Oscar Becerra Moreno | 2021-08-17 |
| 10907438 | Multi-layer backup ring | Guijun Deng | 2021-02-02 |