Issued Patents 2021
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11091988 | Downhole system and method for selectively producing and unloading from a well | Brian A. Roth | 2021-08-17 |
| 10989025 | Prevention of gas accumulation above ESP intake | Jinjiang Xiao, Rafael Adolfo Lastra | 2021-04-27 |
| 10947813 | Systems and methods for preventing sand accumulation in inverted electric submersible pump | Jinjiang Xiao | 2021-03-16 |
| 10941778 | Motorized pump | Jinjiang Xiao, Rafael Adolfo Lastra Melo | 2021-03-09 |
| 10927643 | Operating a subsurface safety valve using a downhole pump | Brian A. Roth | 2021-02-23 |