Sulfonate for waterflooding

Details Sulfonate for waterflooding Sulfonate for waterflooding

1982-05-17

1984-03-06

Nucker, Christine M.

Compositions

Leather or fur treating

166274, 166275, C09K 702, E21B 4316

Patent

active

044352956

ABSTRACT:
An improved sulfonate suitable for waterflooding is formed by sulfonating a blend of two alkyl aromatic feedstocks, one being a high molecular weight monoalkylbenzene while the second is a mixture of normal alkyl aromatic compounds such as monoalkyl benzenes, dialkylbenzenes, and diphenyl alkanes. This feedstock is either sulfonated after blending or before blending to provide a blended non-sulfonate/sulfonate ratio in the range of 0.10 to 0.25. The sulfonate effectiveness of this system increases as the non-sulfonate/sulfonate ratio increases.

REFERENCES:
patent: 3648773 (1972-03-01), Gogarty
patent: 3714062 (1973-01-01), Askew et al.
patent: 3901317 (1975-08-01), Plummer et al.
patent: 3952803 (1976-04-01), Kerfoot et al.
patent: 3997451 (1976-12-01), Plummer et al.
patent: 4058467 (1977-11-01), Sias

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