FIELD: oil production industry. SUBSTANCE: this can be used for increasing recovery from oil beds. According to method, performed are following operations. Powder-like polyacrylamide is subjected to treatment by ionizing radiation in presence of gas mixture with content of oxygen to be within 10-50%. Dose of ionizing radiation in this case is equal to 5-50 kGr. Application of aforesaid method leads to enhanced extraction of oil due to higher coefficient of oil displacement which is equal to 36-66%. In addition, watering of recovered oil is reduced. EFFECT: higher efficiency. 1 tbl, 3 ex
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