FIELD: oil production technology. SUBSTANCE: this relates to acoustic devices for oil production. For more efficient separation of free gas from gas-saturated oil, hollow in device body is divided by partition through which inserted is magnetostriction converter. Converter body has passage 9 for passing gas-liquid flow from lower zone to upper zone of hollow. Oil reaching upper zone is degassed under action of upper part of converter (concentrator). Oil reaching lower zone is degassed under action of walls of passage 9. EFFECT: high efficiency. 1 cl, 1 dwg
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