Method of oil recovery employing enriched gas drive with control

Details Method of oil recovery employing enriched gas drive with control Method of oil recovery employing enriched gas drive with control

1977-01-10

1978-05-02

Novosad, Stephen J.

Wells

Processes

Specific pattern of plural wells

166268, 166274, E21B 4320, E21B 4322

Patent

active

040869610

ABSTRACT:
A method for the recovery of hydrocarbons from a subterranean hydrocarbon-bearing reservoir by an enriched gas drive wherein lean gas, evolved from the miscible transition zone, is produced ahead of the miscible transition zone and reinjected behind the solvent injection point whereby excessive gas production is utilized and a drive agent miscible with the solvent is provided to displace the reservoir fluids through the reservoir to a production well from which they are produced.

REFERENCES:
patent: 2994373 (1961-08-01), Stone
patent: 3157230 (1964-11-01), Connally, Jr. et al.
patent: 3223157 (1965-12-01), Lacey et al.
patent: 3254712 (1966-06-01), Sharp
patent: 3256933 (1966-06-01), Murphree et al.
patent: 3268000 (1966-08-01), Dumore
patent: 3288212 (1966-11-01), O'Brien et al.
patent: 3354953 (1967-11-01), Morse
patent: 3854532 (1974-12-01), Braden, Jr.

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