Issued Patents All Time
Showing 1–25 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D827154 | Building | Doo Ho Lee, Ted Nordstrom, Mung Fei Yim | 2018-08-28 |
| 5071890 | Composition for selective placement of polymer gels for profile control in thermal oil recovery | Paul Shu | 1991-12-10 |
| 5022466 | Method for steam flooding profile control | Paul Shu | 1991-06-11 |
| 4950698 | Composition for selective placement of polymer gels for profile control in thermal oil recovery | Paul Shu | 1990-08-21 |
| 4947933 | Temperature activated polymer for profile control | Lloyd G. Jones | 1990-08-14 |
| 4940091 | Method for selectively plugging a zone having varying permeabilities with a temperature activated gel | Paul Shu | 1990-07-10 |
| 4804043 | Process for selective placement of polymer gels for profile control in thermal oil recovery | Paul Shu | 1989-02-14 |
| 4678036 | Miscible oil recovery process | Kathy J. Hartman | 1987-07-07 |
| 4617996 | Immiscible oil recovery process | — | 1986-10-21 |
| 4612990 | Method for diverting steam in thermal recovery process | — | 1986-09-23 |
| 4598770 | Thermal recovery method for viscous oil | Kathy J. Hartman | 1986-07-08 |
| 4597443 | Viscous oil recovery method | Kathy J. Hartman | 1986-07-01 |
| 4565249 | Heavy oil recovery process using cyclic carbon dioxide steam stimulation | Farrokh N. Pebdani | 1986-01-21 |
| 4530401 | Method for maximum in-situ visbreaking of heavy oil | Kathy J. Hartman | 1985-07-23 |
| 4513819 | Cyclic solvent assisted steam injection process for recovery of viscous oil | Philip N. Islip | 1985-04-30 |
| 4513821 | Lowering CO.sub.2 MMP and recovering oil using carbon dioxide | — | 1985-04-30 |
| 4503910 | Viscous oil recovery method | — | 1985-03-12 |
| 4503911 | Thermal recovery method for optimum in-situ visbreaking of heavy oil | Kathy J. Hartman | 1985-03-12 |
| 4489783 | Viscous oil recovery method | — | 1984-12-25 |
| 4487262 | Drive for heavy oil recovery | V. N. Venkatesan | 1984-12-11 |
| 4474237 | Method for initiating an oxygen driven in-situ combustion process | — | 1984-10-02 |
| 4466485 | Viscous oil recovery method | — | 1984-08-21 |
| 4456066 | Visbreaking-enhanced thermal recovery method utilizing high temperature steam | — | 1984-06-26 |
| 4454916 | In-situ combustion method for recovery of oil and combustible gas | — | 1984-06-19 |
| 4450911 | Viscous oil recovery method | Kathy J. Hartman | 1984-05-29 |