FIELD: oil extracting industry. SUBSTANCE: method includes preliminary treatment of powder-like polyacrylamide with ionizing radiation and later treatment. Later treatment is performed by 4-6% water solution of anion-active surface-active substance in amount of 15-30% of powder-like polyacrylamide mass. Ionizing radiation treatment is performed up to absorbed dose of 0.1-1.0 Mrad. EFFECT: better oil-displacing properties. 2 cl, 3 ex, 3 tbl
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Authors
Dates
2004-05-27—Published
2002-09-17—Filed