Use of betaines in mineral oil recovery

Details Use of betaines in mineral oil recovery Use of betaines in mineral oil recovery

1976-07-16

1978-12-19

Guynn, Herbert B.

Compositions

Leather or fur treating

166275, 26050113, 548349, 548354, E21B 4322

Patent

active

041304918

ABSTRACT:
A method for recovering mineral oil from oil deposits utilizing conventional flooding techniques wherein the deposit is flooded with water forcing the oil to the surface of the water or absorbing the oil in the water by use of certain additives and then recovering the oil from the flooded water wherein the aqueous flooding solution contains a surface active betaine containing as a hydrophilic residue at least one quaternary ammonium group capable of intramolecular formation of an internal salt with an acid group, and an oleophilic residue composed of at least one residue of naphthenic acids. The surface active betaines provide improved recovery of oils from such mineral deposits.

REFERENCES:
patent: 2129264 (1938-09-01), Downing et al.
patent: 2528378 (1950-10-01), Mannheimer
patent: 3275552 (1966-09-01), Kern et al.
patent: 3360550 (1967-12-01), Cowen et al.
patent: 3792731 (1974-02-01), Feuerbacher et al.
patent: 3811505 (1974-05-01), Flournoy et al.
patent: 3939911 (1976-02-01), Maddox et al.

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