Altering high temperature subterranean formation permeability

Details Altering high temperature subterranean formation permeability Altering high temperature subterranean formation permeability

1990-04-30

1991-02-19

Stoll, Robert L.

Compositions

Leather or fur treating

166270, C09K 700

Patent

active

049941941

ABSTRACT:
A method and composition for altering the permeability of a high temperature subterranean formation are provided. The composition of the invention is comprised of water, at least one water dispersible acrylamide containing polymer, and a water dispersible crosslinker for bringing about the delayed crosslinking of the polymer comprised of the combination of an aldehyde and a salicylic acid derivative.

REFERENCES:
patent: 3574820 (1971-04-01), Johnson et al.
patent: 4167500 (1979-09-01), Jazenski et al.
patent: 4246124 (1981-01-01), Swanson
patent: 4389320 (1983-06-01), Clampitt
patent: 4440228 (1984-04-01), Swanson
patent: 4450123 (1984-05-01), Egawa et al.
patent: 4601968 (1986-07-01), Hyosu
patent: 4612008 (1986-09-01), Wong et al.

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