Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4838350 | Gravity stable surfactant flooding in gas depleted reservoirs | George P. Kokolis | 1989-06-13 |
| 4834179 | Solvent flooding with a horizontal injection well in gas flooded reservoirs | George P. Kokolis | 1989-05-30 |
| 4794987 | Solvent flooding with a horizontal injection well and drive fluid in gas flooded reservoirs | George P. Kokolis | 1989-01-03 |