Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5211230 | Method for enhanced oil recovery through a horizontal production well in a subsurface formation by in-situ combustion | Eugene Ostapovich | 1993-05-18 |
| 5209293 | Apparatus for fluidizing formation fines entrained in formation fluids entering a production well penetrating an oil-bearing formation | Matthew G. McNaughton, Eugene Ostapovich | 1993-05-11 |
| 4961467 | Enhanced oil recovery for oil reservoir underlain by water | — | 1990-10-09 |
| 4565249 | Heavy oil recovery process using cyclic carbon dioxide steam stimulation | Winston R. Shu | 1986-01-21 |