Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4643256 | Steam-foaming surfactant mixtures which are tolerant of divalent ions | Kenneth B. Owens | 1987-02-17 |
| 4601336 | Process for selecting a steam foam forming surfactant | Kenneth B. Owens | 1986-07-22 |
| 4597442 | Reservoir preflushing process for increasing the rate of surfactant transport in displacing oil with injected steam and steam-foaming surfactant | Hon Chung Lau, George J. Hirasaki | 1986-07-01 |
| 4562727 | Olefin sulfonate-improved steam foam drive | Kenneth B. Owens | 1986-01-07 |
| 4532993 | Selective steam foam soak oil recovery process | Paul B. Ritter, Jr. | 1985-08-06 |
| 4488976 | Olefin sulfonate-improved steam foam drive | Kenneth B. Owens | 1984-12-18 |
| 4393937 | Olefin sulfonate-improved steam foam drive | Kenneth B. Owens | 1983-07-19 |