Secondary recovery process utilizing thickened water

Details Secondary recovery process utilizing thickened water Secondary recovery process utilizing thickened water

1980-02-04

1981-11-03

Guynn, Herbert B.

Compositions

Leather or fur treating

166275, 528171, E21B 4322

Patent

active

042984793

ABSTRACT:
Hydrocarbons are recovered from subterranean formations by injecting into a hydrocarbon bearing formation via an injection well a fluid comprising water containing a small amount of a water-soluble, ethoxylated, sulfonated poly-(2,6-dialkyl phenol), forcing the said fluid through the formation and recovering hydrocarbons through a production well. The fluids employed may, if desired, contain an alkaline agent such as sodium hydroxide. Optionally, the fluids can be saturated with carbon dioxide and/or natural gas at the injection pressure.

REFERENCES:
patent: 3308883 (1967-03-01), Foster
patent: 3508612 (1970-04-01), Reisberg et al.
patent: 4043922 (1977-08-01), Palmer et al.
patent: 4077471 (1978-03-01), Shupe et al.

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