FIELD: production and transportation of oil. SUBSTANCE: dewaxing is effected by means of nitrogen-generating system where liquid being treated is used for dewaxing. It consists of solution of nitrogen-containing salts activated by emulsified acetic acid forming nitrogen and heat and oil transported which is used as a solvent. EFFECT: possibility of performing dewaxing procedure simultaneously with production of oil; saving of expenses and energy. 16 cl, 1 dwg, 5 tbl
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