Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4569393 | CO.sub.2 -Induced in-situ gelation of polymeric viscosifiers for permeability contrast correction | Donald D. Bruning | 1986-02-11 |
| 4544206 | Slug-type in situ recovery of mineral values | Gordon D. Gillham | 1985-10-01 |
| 4247405 | Viscosity-stabilized aqueous solutions | — | 1981-01-27 |
| 4231428 | Well treatment method | Riley B. Needham, Charles Thomas | 1980-11-04 |