FIELD: oil and gas production.
SUBSTANCE: at temperature 130-200°C oil residue with melting point 90-150°C, and density in solid state 1050-1100 kg/cm2 is supplied into tank with water of 5-60°C temperature. Oil residue and water are used at ratio, where as many as 6-8 parts of water are used per one part of oil residue. Upon solidification oil residue is separated from water.
EFFECT: simplified solidification of oil residue, reduced power consumption and material expenditures.
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