| Patent | Date |
|---|
Composition for selective placement of polymer gels for profile control in thermal oil recovery
Grant 5,071,890 - Shu , et al. December 10, 1 | 1991-12-10 |
Method for steam flooding profile control
Grant 5,022,466 - Shu , et al. June 11, 1 | 1991-06-11 |
Composition for selective placement of polymer gels for profile control in thermal oil recovery
Grant 4,950,698 - Shu , et al. August 21, 1 | 1990-08-21 |
Temperature activated polymer for profile control
Grant 4,947,933 - Jones , et al. August 14, 1 | 1990-08-14 |
Process for selective placement of polymer gels for profile control in thermal oil recovery
Grant 4,804,043 - Shu , et al. February 14, 1 | 1989-02-14 |
Miscible oil recovery process
Grant 4,678,036 - Hartman , et al. July 7, 1 | 1987-07-07 |
Immiscible oil recovery process
Grant 4,617,996 - Shu October 21, 1 | 1986-10-21 |
Method for diverting steam in thermal recovery process
Grant 4,612,990 - Shu September 23, 1 | 1986-09-23 |
Thermal recovery method for viscous oil
Grant 4,598,770 - Shu , et al. July 8, 1 | 1986-07-08 |
Viscous oil recovery method
Grant 4,597,443 - Shu , et al. July 1, 1 | 1986-07-01 |
Heavy oil recovery process using cyclic carbon dioxide steam stimulation
Grant 4,565,249 - Pebdani , et al. January 21, 1 | 1986-01-21 |
Method for maximum in-situ visbreaking of heavy oil
Grant 4,530,401 - Hartman , et al. July 23, 1 | 1985-07-23 |
Cyclic solvent assisted steam injection process for recovery of viscous oil
Grant 4,513,819 - Islip , et al. April 30, 1 | 1985-04-30 |
Lowering CO.sub.2 MMP and recovering oil using carbon dioxide
Grant 4,513,821 - Shu April 30, 1 | 1985-04-30 |
Viscous oil recovery method
Grant 4,503,910 - Shu March 12, 1 | 1985-03-12 |
Viscous oil recovery method
Grant 4,489,783 - Shu December 25, 1 | 1984-12-25 |
Drive for heavy oil recovery
Grant 4,487,262 - Venkatesan , et al. December 11, 1 | 1984-12-11 |
Method for initiating an oxygen driven in-situ combustion process
Grant 4,474,237 - Shu October 2, 1 | 1984-10-02 |
Viscous oil recovery method
Grant 4,466,485 - Shu August 21, 1 | 1984-08-21 |
Visbreaking-enhanced thermal recovery method utilizing high temperature steam
Grant 4,456,066 - Shu June 26, 1 | 1984-06-26 |
In-situ combustion method for recovery of oil and combustible gas
Grant 4,454,916 - Shu June 19, 1 | 1984-06-19 |
Viscous oil recovery method
Grant 4,450,911 - Shu , et al. May 29, 1 | 1984-05-29 |
Carbonated waterflooding for viscous oil recovery
Grant 4,441,555 - Shu April 10, 1 | 1984-04-10 |
Steam flood oil recovery process
Grant 4,431,056 - Shu February 14, 1 | 1984-02-14 |
Method for transporting viscous crude oils
Grant 4,420,008 - Shu December 13, 1 | 1983-12-13 |
In-situ combustion method for recovery of heavy oil utilizing oxygen and carbon dioxide as initial oxidant
Grant 4,410,042 - Shu October 18, 1 | 1983-10-18 |
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