Method for stimulating well production

Details Method for stimulating well production Method for stimulating well production

1978-02-13

1980-06-03

Guynn, Herbert B.

Compositions

Leather or fur treating

166307, 526287, E21B 4327

Patent

active

042060583

ABSTRACT:
The production of hydrocarbons from a subterranean hydrocarbon-bearing formation containing acid-soluble components, such as one composed at least in part of dolomite or limestone, is stimulated by injecting into the formation a composition comprising an aqueous solution of a mineral acid having dissolved therein an oxyalkylated acrylamido alkanesulfonic acid polymer. The increase in the permeability and porosity of the formation achieved utilizing the method of invention results in a substantial improvement in hydrocarbon recovery.

REFERENCES:
patent: 2596137 (1952-05-01), Fast
patent: 2763326 (1956-09-01), Cardwell et al.
patent: 2778427 (1957-01-01), Cardwell et al.
patent: 3679000 (1972-07-01), Kaufman
patent: 3892720 (1975-07-01), Jahnke
patent: 3923666 (1975-12-01), Dill

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