FIELD: oil-and-gas industry.
SUBSTANCE: invention relates to the oil-and-gas industry and aims at the application of associated petroleum gas at oil separation sites and for extinguishing of flares. The proposed method comprises low-pressure second separation stage gas recovery by its feed to a fluid-gas ejector inlet and its compression by a portion of rejected high-pressure bottom water bled from discharge of a pump unit cluster and directed to the ejector working nozzle. Note here that the water-gas mix from the ejector discharge is directed to a settler top part for preliminary discharge of formation water while a gas chamber of the said settler is communicated with a gas chamber of the first stage separator.
EFFECT: higher efficiency of gas separation from oil at the first separation stage.
1 dwg
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