Method for improving sulfonate surfactants used in enhanced reco

Details Method for improving sulfonate surfactants used in enhanced reco Method for improving sulfonate surfactants used in enhanced reco

1979-12-20

1981-07-07

Padgett, Benjamin R.

Compositions

Leather or fur treating

166270, 166274, 260513T, C09K 300

Patent

active

042773512

ABSTRACT:
A method is disclosed for reducing formation plugging impurities in a sulfonate surfactant used in enhanced oil recovery operations which comprises contacting said surfactant with an effective amount of an aldehyde having from 1 to about 18 carbon atoms. In a preferred instance, a method is disclosed for the treatment of sulfonate surfactants useful in enhanced recovery processing to substantially reduce the formation plugging impurities, typically inorganic sulfite salts.

REFERENCES:
patent: 3714062 (1973-01-01), Askew et al.
patent: 3997451 (1976-12-01), Plummer et al.
patent: 4125158 (1978-11-01), Warte et al.

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