Polymerflood process

Details Polymerflood process Polymerflood process

1985-08-29

1986-05-06

Novosad, Stephen J.

Wells

Processes

Distinct, separate injection and producing wells

166274, 166275, 252 855D, E21B 4322

Patent

active

045865680

ABSTRACT:
A polymerflood oil recovery process comprising the use of low molecular weight polymers of alpha,beta-unsaturated mono- and dicarboxylic acids and alkali metal salts thereof in aqueous polymer slugs to stabilize the solution viscosity of said slugs throughout a polymerflooding process in which adverse subterranean conditions are encountered, such as high temperature, high salinity and/or high concentrations of "hardness" ions.

REFERENCES:
patent: 3850244 (1974-11-01), Rhudy et al.

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