Patents per Year
Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 4793415 | Method of recovering oil from heavy oil reservoirs | Stevan L. Weber | 1988-12-27 | $18,861,000 |
| 4651826 | Oil recovery method | — | 1987-03-24 | $13,855,000 |
| 4598772 | Method for operating a production well in an oxygen driven in-situ combustion oil recovery process | — | 1986-07-08 | $11,719,000 |
| 4566536 | Method for operating an injection well in an in-situ combustion oil recovery using oxygen | — | 1986-01-28 | $21,135,000 |
| 4440227 | Well completion for injecting high purity oxygen in a fire flooding process | — | 1984-04-03 | $9,418,000 |
| 4188068 | Apparatus for mixing gas and liquid at a downhole location | Jimmie Crofford | 1980-02-12 | $17,446,000 |