Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4434852 | Method of enhanced oil recovery employing nitrogen injection | Thomas Morel, Stewart Haynes, Jr. | 1984-03-06 |
| 4299711 | Surfactant waterflooding enhanced oil recovery process | Timothy N. Tyler | 1981-11-10 |
| 4232740 | High temperature stable sand control method | — | 1980-11-11 |
| 4187185 | Oil recovery process using oxyalkylated additives | Walter D. Hunter | 1980-02-05 |