Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Method for preconditioning a subterranean oil-bearing formation prior to in-situ combustion

Method for preconditioning a subterranean oil-bearing formation prior to in-situ combustion

US Patent 4194562 · Granted Mar 25, 1980

Estimated economic value: $7,452,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Modified push/pull flood process for hydrocarbon recovery1989
Recovering oil bypassed by a steam override zone1989
Oil recovery by quenched in situ combustion1988
Optimum production rate for horizontal wells1987
Carbon dioxide injection with in situ combustion process for heavy oils1987
Recovery of heavy crude oil from shallow formations by in situ combustion1987
Miscible oil flooding at controlled velocities1986
Oil recovery method employing alternate slugs of surfactant and fresh water1984
Enhanced oil recovery operations1983
Oil recovery method employing alternate slugs of surfactant and fresh water solu1981
Oil recovery method employing alternate slugs of surfactant and fresh water solu1981
Oil recovery method employing alternate slugs of surfactant fluid and fresh wate1980