Enhanced oil recovery methods and systems

Details Enhanced oil recovery methods and systems Enhanced oil recovery methods and systems

1981-07-14

1983-07-26

Schofer, Joseph L.

Compositions

Leather or fur treating

526195, 526234, 526238, C09K 300

Patent

active

043953409

ABSTRACT:
A method of enhanced oil recovery from subterranean oil-containing formations via injection through an injection well penetrating the formation of a viscous aqueous solution containing one or more water-soluble organic polymers and forcing such solution through the formation towards a production well for ultimate recovery. The viscous aqueous polymer solutions of the invention are prepared at the site of their use by polymerizing one or more water-soluble polymerizable vinyl monomers in aqueous solutions which may contain high concentrations of one or more salts.

REFERENCES:
patent: 3405106 (1968-10-01), Scanley
patent: 3509114 (1970-04-01), Ballast
patent: 3620991 (1971-11-01), Wasser
patent: 4137969 (1979-02-01), Phalangas et al.
patent: 4297226 (1981-10-01), Gunter

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