COMPOUND FOR OIL DISPLACEMENT Russian patent published in 1994 - IPC

Abstract SU 1468065 A1

FIELD: oil producing industry. SUBSTANCE: compound for oil displacement contains the following components, mas.%: oil sulfonate 2.0-5.0; polyacrylamide 0.01-1.0; electrolyte 0.03-1.2; 4,4-dimethyl-1,3-dioxan 1.0-4.0; the balance, water. Compound is prepared by dissolving of components in water. Compound possesses phase stability in porous medium. Phase stability is characterized by increased upper layer: the larger layer the higher stability. The larger the upper layer, the better compatibility of oil sulfonate and polymer with solvent. EFFECT: higher oil displacing properties and phase stability to electrolyte. 1 tbl

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SU 1 468 065 A1

Authors

Sultanov V.G.

Kabirov M.M.

Gorodnov V.P.

Dates

1994-12-15—Published

1987-07-27—Filed