Thickened aqueous compositions for well treatment

Details Thickened aqueous compositions for well treatment Thickened aqueous compositions for well treatment

1976-09-08

1977-12-06

Guynn, Herbert B.

Compositions

Leather or fur treating

252 855C, 252316, 252389A, 252390, E21B 4327, E21B 4326

Patent

active

040615804

ABSTRACT:
Thickened fracturing and acidizing fluids suitable for well treatment are prepared by adding certain amine salts to aqueous acid or salt solutions. The amines from which the amine salts are prepared are alkoxylated alkyl- or alkenylamines in which an alkyl or alkenyl group contains at least about 14 and preferably about 14-30 carbon atoms. Most often the alkyl or alkenyl group is oleyl, stearyl, or a mixture of groups derived from such fats as tallow or soybean oil. The especially preferred amines are the "Ethomeens" which are ethoxylated fatty amines.

REFERENCES:
patent: 2510063 (1950-06-01), Bried
patent: 2596137 (1952-05-01), Fast
patent: 2763326 (1956-09-01), Cardwell et al.
patent: 2799659 (1957-07-01), Mayhew et al.
patent: 3042610 (1962-07-01), Dunlap
patent: 3147806 (1964-09-01), Reed et al.
patent: 3373107 (1968-03-01), Rice et al.
patent: 3781203 (1973-12-01), Clark
Ethomeens, Ethomids, Ethofats, Publication by Armour Chemical Division, Armour and Company, Chicago 9, Ill., 1949, pp. 1, 2, 3, 5, 8, 18, 19, 23 and 26.

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