Method for altering permeability of a hydrocarbon-containing for

Details Method for altering permeability of a hydrocarbon-containing for Method for altering permeability of a hydrocarbon-containing for

1975-06-16

1976-04-27

Novosad, Stephen J.

Wells

Processes

Cementing, plugging or consolidating

166295, E21B 33138

Patent

active

039528065

ABSTRACT:
A method is provided for altering the permeability of a subterranean hydrocarbon-containing formation penetrated by a wellbore by removing hydrocarbons from the highly permeable portions of the formation followed by plugging of the cleaned portions of the formation with a polymeric gel. A micellar dispersion is passed into the formation followed by a solution or dispersion of a gellable polymer and a solution of aluminum citrate and the well is then closed in for a period of time sufficient for gelling the polymer in situ.

REFERENCES:
patent: 3308885 (1967-03-01), Sandiford
patent: 3481403 (1969-12-01), Gidley et al.
patent: 3532168 (1970-10-01), Webb
patent: 3587737 (1971-06-01), Tosch
patent: 3604508 (1971-09-01), Son, Jr.
patent: 3625284 (1971-12-01), Gogarty et al.
patent: 3648774 (1972-03-01), Kirk
patent: 3762476 (1973-10-01), Gall
patent: 3833061 (1974-09-01), Gall

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