Flooding to recover oil from subterranean formations and employi

Details Flooding to recover oil from subterranean formations and employi Flooding to recover oil from subterranean formations and employi

1985-12-23

1987-03-03

Suchfield, George A.

Wells

Processes

Distinct, separate injection and producing wells

166261, 166274, E21B 4324, E21B 43243

Patent

active

046468331

ABSTRACT:
An improvement in a method of recovering oil by injecting a viscous aqueous solution comprising injecting the viscous aqueous solution through a thermally stimulated zone near the injection well so as to obviate loss of production of oil because of decreased injectivity of the high viscosity polymers solution.

REFERENCES:
patent: 3131761 (1964-05-01), Scott
patent: 3302713 (1967-02-01), Ahearn et al.
patent: 3352358 (1967-11-01), Williams
patent: 3372749 (1968-03-01), Williams
patent: 3648771 (1972-03-01), Kelly et al.
patent: 3802508 (1974-04-01), Kelly et al.
patent: 4084637 (1978-04-01), Todd
patent: 4508170 (1985-04-01), Littmann

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