Enhanced oil recovery with a mixture of water and aromatic hydro

Details Enhanced oil recovery with a mixture of water and aromatic hydro Enhanced oil recovery with a mixture of water and aromatic hydro

1988-08-24

1989-12-05

Suchfield, George A.

Wells

Processes

Distinct, separate injection and producing wells

166272, E21B 4324, E21B 4326

Patent

active

048846350

ABSTRACT:
The invention is a method of recovering hydrocarbons from underground hydrocarbon formations penetrated by at least one injection well and at least one production well, which comprises injecting into the formation a mixture of hot water and about 0.1% to about 5% by weight of a hydrocarbon liquid having an aromatic content greater than about 30%. The hot water and hydrocarbon mixtures should be injected at a temperature of at least about 80.degree.C. Hydrocarbons and other fluids are recovered from a production well after a suitable period of time.

REFERENCES:
patent: 3402770 (1968-09-01), Messenger
patent: 3593790 (1971-07-01), Herce
patent: 3648771 (1972-03-01), Kelly et al.
patent: 3881550 (1975-05-01), Barry
patent: 4071458 (1978-01-01), Allen
patent: 4127170 (1978-11-01), Redford
patent: 4166502 (1979-09-01), Hall et al.
patent: 4753293 (1988-06-01), Bohn

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