FIELD: process engineering.
SUBSTANCE: invention relates to oil production and may be used in green oil field treatment. Proposed method comprises three-stage separation of well water-and-gas-saturated fluid, and compressing separated gas at compressor station. In compliance with this invention, degassed and dehydrated oil with residual gas saturation (de-ethanised oil) is fed into, instead of final separation stage separators, buffer tank (overpressure tank) to retain valuable hydrocarbons C1 and C2 in commercial oil to be fed into condensate pipeline.
EFFECT: higher yield of hydrocarbons, lower material and power costs.
1 dwg
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