Process for recovering oil from subterranean formations

Details Process for recovering oil from subterranean formations Process for recovering oil from subterranean formations

1977-01-21

1979-02-06

Guynn, Herbert B.

Wells

Processes

Distinct, separate injection and producing wells

166275, 20415922, 252 855D, E21B 4322

Patent

active

041379691

ABSTRACT:
Improved flooding of oil-bearing formations is obtained by injecting and displacing through the formation a water-soluble, substantially linear, high molecular weight polymer obtained by irradiating an aqueous solution of an ethylenically unsaturated monomer and a water-soluble salt under controlled conditions of concentration, radiation intensity, conversion, and total radiation dose.

REFERENCES:
patent: 3493500 (1970-02-01), Volk et al.
patent: 3658772 (1972-04-01), Volk et al.
patent: 3764502 (1973-10-01), Restaino
patent: 3841401 (1974-10-01), Restaino et al.

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