FIELD: oil and gas production. SUBSTANCE: oil, water and gas flow coming from production wells is separated into oil, water and side gas, water is prepared for injection into oil pool and side gas is also prepared. Prepared side gas is burnt in power plant with simultaneous winning of reagent, generation of electric and thermal energy. Reagent is cleared from moisture and components causing corrosion, is compressed, heated with the help of energy generated by power plant and is pumped into oil pool. Water injected into oil pool is also heated with use of portion of energy generated by power plant. EFFECT: decreased energy intensity of process, raised oil flow rate and oil recovery, diminished negative ecological after- effects of process of development of oil fields. 7 cl, 1 dwg
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