Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4793415 | Method of recovering oil from heavy oil reservoirs | Stevan L. Weber | 1988-12-27 |
| 4651826 | Oil recovery method | — | 1987-03-24 |
| 4598772 | Method for operating a production well in an oxygen driven in-situ combustion oil recovery process | — | 1986-07-08 |
| 4566536 | Method for operating an injection well in an in-situ combustion oil recovery using oxygen | — | 1986-01-28 |
| 4440227 | Well completion for injecting high purity oxygen in a fire flooding process | — | 1984-04-03 |
| 4188068 | Apparatus for mixing gas and liquid at a downhole location | Jimmie Crofford | 1980-02-12 |