FIELD: oil industry, production preparation of crude oil at fields with small output. SUBSTANCE: flow chart of production preparation of crude oil includes settling tanks, commercial tanks, oil heater, tanks collecting emulsion which has been resistant to decomposition in settling tanks for repeat preparation of oil, tanks collecting and preparing water, unit preparing and feeding demulsification agent made of metering pump and vessel. EFFECT: improved quality of production preparation of oil with minimal number of tanks, reduced losses of oil and consumption of demulsification agent. 1 dwg
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