Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5350014 | Control of flow and production of water and oil or bitumen from porous underground formations | — | 1994-09-27 |
| 5056596 | Recovery of bitumen or heavy oil in situ by injection of hot water of low quality steam plus caustic and carbon dioxide | Tawfik N. Nasr | 1991-10-15 |
| 4884635 | Enhanced oil recovery with a mixture of water and aromatic hydrocarbons | Declan B. Livesey, Philip Harris | 1989-12-05 |