Process for stimulating a well with a saline surfactant sulfate,

Details Process for stimulating a well with a saline surfactant sulfate, Process for stimulating a well with a saline surfactant sulfate,

1980-05-27

1981-07-21

Novosad, Stephen J.

Wells

Processes

Placing fluid into the formation

166252, 166271, 166273, E21B 4322, E21B 4327

Patent

active

042793050

ABSTRACT:
The injectivity of an oil-containing reservoir is increased by injecting successive portions of a solution or slightly turbid dispersion of reservoir-tailored amounts of polyalkoxyalcohol sulfate surfactant and lower alkanol in highly saline aqueous liquid and a reservoir acidizing solution.

REFERENCES:
patent: 2356205 (1944-08-01), Blair, Jr. et al.
patent: 3135326 (1964-06-01), Santee
patent: 3500923 (1970-03-01), Reisberg
patent: 3515214 (1970-06-01), Finch
patent: 3568772 (1971-03-01), Gogarty et al.
patent: 3648775 (1972-03-01), Dixon
patent: 3712377 (1973-01-01), Hill et al.
patent: 3819520 (1974-06-01), Jones et al.
patent: 3915233 (1975-10-01), Slusser
patent: 4193452 (1980-03-01), Wilson et al.

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