Oil recovery method utilizing a dialkyl phenol polyethoxy alkyl

Details Oil recovery method utilizing a dialkyl phenol polyethoxy alkyl Oil recovery method utilizing a dialkyl phenol polyethoxy alkyl

1979-04-18

1980-09-02

Novosad, Stephen J.

Wells

Processes

Distinct, separate injection and producing wells

252 855D, E21B 4322

Patent

active

042202043

ABSTRACT:
The dialkylbenzene polyethoxy alkyl sulfonate is combined with a water soluble petroleum sulfonate surfactant to form an effective surfactant solution that is stable in high salinity environments. The surfactant solution is injected into an underground petroleum reservoir in order to recover crude oil therefrom.

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patent: 4077471 (1978-03-01), Shupe et al.
patent: 4088189 (1978-05-01), Shupe
patent: 4110229 (1978-08-01), Carlin et al.

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