Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5145003 | Method for in-situ heated annulus refining process | — | 1992-09-08 |
| 5131471 | Single well injection and production system | Donald J. Anderson, Doug J. McCallum, Mark Petrick | 1992-07-21 |
| 5123485 | Method of flowing viscous hydrocarbons in a single well injection/production system | Steve L. Vasicek | 1992-06-23 |
| 5054551 | In-situ heated annulus refining process | — | 1991-10-08 |
| 5024275 | Method of recovering hydrocarbons using single well injection/production system | Donald J. Anderson, Doug J. McCallum, Mark Petrick | 1991-06-18 |
| 5014787 | Single well injection and production system | — | 1991-05-14 |
| 4607700 | Alpha-olefin sulfonate dimer surfactant cyclic steam stimulation process for recovering hydrocarbons from a subterranean formation | Robert G. Wall, Jack D. Knight | 1986-08-26 |
| 4576232 | Non-condensible gas injection including alpha-olefin sulfonate dimer surfactant additives and a process of stimulating hydrocarbon recovery from a subterranean formation | Robert G. Wall, Jack D. Knight | 1986-03-18 |
| 4572294 | Non-condensible gas injection including alpha-olefin sulfonate surfactant additives | Robert G. Wall, Jack D. Knight | 1986-02-25 |
| 4556107 | Steam injection including alpha-olephin sulfonate dimer surfactant additives and a process of stimulating hydrocarbon recovery from a subterranean formation | Robert G. Wall, Jack D. Knight | 1985-12-03 |
| 4488598 | Steam, noncondensable gas and foam for steam and distillation drive _in subsurface petroleum production | — | 1984-12-18 |