Use of peroxide in waterflood oil recovery

Details Use of peroxide in waterflood oil recovery Use of peroxide in waterflood oil recovery

1981-11-09

1984-04-03

Guynn, Herbert B.

Compositions

Leather or fur treating

166274, 166309, E21B 4322

Patent

active

044406517

ABSTRACT:
For enhanced recovery of petroleum, particularly for recovery of residual oil during conventional water-flooding, an aqueous solution of peroxide is injected into an oil-bearing formation. The concentration of peroxide in the aqueous solution ranges from about 0.1 to about 3.0 weight percent, and injection of peroxide need not be followed or accompanied by injection of alkaline solution. The aqueous peroxide solution may then be displaced toward the producing well or wells to sweep out residual oil.

REFERENCES:
patent: 3298436 (1967-01-01), McCardell
patent: 3330347 (1967-07-01), Brown et al.
patent: 3344858 (1967-10-01), Gilchrist et al.
patent: 3757861 (1973-09-01), Routson
patent: 4166038 (1979-08-01), Stournas
patent: 4216097 (1980-08-01), Stournas

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