Compositions – Leather or fur treating
Patent
1978-08-14
1980-08-12
Guynn, Herbert B.
Compositions
Leather or fur treating
166282, 166283, E21B 4326, E21B 4327
Patent
active
042172314
ABSTRACT:
An improved method for reducing fluid loss during high pressure hydraulic fracturing of well formations using an aqueous foam involving adding to the foam from about 0.0005 to 0.5% by weight of an additive selected from the group consisting of a C.sub.5 to C.sub.10 unsubstituted monocarboxylic aliphatic acid, a C.sub.5 to C.sub.10 unsubstituted aliphatic alcohol, malonic acid, lower n-alkyl diesters of malonic acid and their mixtures. The new additives are shown to be as effective in reducing fluid loss during fracturing as the commercial practice employing hydroxy ethyl cellulose at a fraction of the cost of hydroxy ethyl cellulose without depositing polymer within the formation.
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Zieminski et al, article in Industrial and Engineering Chemistry Fundamentals, vol. 6, No. 2, May, 1967, pp. 232-242.
King, "Factors Affecting Dynamic Fluid Leakoff with Foam Fracturing Fluids," SPE paper 6817, presented at the SPE meeting held in Denver, Colorado, Oct. 9-12, 1977.
Guynn Herbert B.
Hook Fred E.
Standard Oil Company (Indiana)
Stevenson Robert B.
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