Use of polyampholytes to enhance oil and/or gas recovery

Details Use of polyampholytes to enhance oil and/or gas recovery Use of polyampholytes to enhance oil and/or gas recovery

1982-08-25

1984-11-27

Guynn, Herbert B.

Wells

Processes

Distinct, separate injection and producing wells

166294, 252 855D, E21B 4322

Patent

active

044846312

ABSTRACT:
The instant invention is directed to a method of recovering oil and/or gas from a subterranean formation which is penetrated by a well bore, and for reducing the concomitant production of reservoir water therefrom comprising injecting into said formation through said well bore an aqueous treating solution or emulsion containing a polyampholyte prepared from:

REFERENCES:
patent: 3624019 (1971-11-01), Anderson et al.
patent: 3658772 (1972-04-01), Volk et al.
patent: 3679000 (1972-07-01), Kaufman
patent: 3721295 (1973-03-01), Bott
patent: 3744566 (1973-07-01), Szabo et al.
patent: 3804173 (1974-04-01), Jennings
patent: 3826311 (1974-07-01), Szabo et al.
patent: 4137969 (1979-02-01), Phalangas et al.
patent: 4246124 (1981-01-01), Swanson
patent: 4330450 (1982-05-01), Lipowski et al.

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