Process for the extraction of crude oil from an underground depo

Details Process for the extraction of crude oil from an underground depo Process for the extraction of crude oil from an underground depo

1990-03-26

1991-01-15

Stoll, Robert L.

Compositions

Leather or fur treating

E21B 4322

Patent

active

049851543

ABSTRACT:
A process for the extraction of crude oil from an underground deposit which is penetrated by at least one injection well and at least one production well is disclosed. The process comprises forcing a solution or a dispersion of a surfactant co-solvent mixture into the injection well, wherein the surfactant is an alkyl (poly)glycoside of formula (I)

REFERENCES:
patent: 4125156 (1978-11-01), Glinsman
patent: 4258789 (1981-03-01), Hedges et al.
patent: 4265308 (1981-05-01), Hedges et al.
patent: 4286660 (1981-09-01), Wagner et al.
patent: 4705665 (1987-11-01), Malik
patent: 4780234 (1988-10-01), Malik et al.
Kirk-Othmer Enclyclopedia of Chemical Technology Exerpt, vol. 17, pp. 168-182, "Petroleum (Enhanced Oil Recovery)".

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