FIELD: oil production industry. SUBSTANCE: method and device can be used for recovery and collection of fluids, for maintaining bed pressure, and can be used also in other fields of economy. Used as energy-carrier - gas separated from oil, gas, water, steam separated from well product, or energy carriers produced by special apparatus, or product itself. Used in function of piston-type pumping facility is universal pumping facility which is made up of two sections: in-pipe pump-motor and one or two in-pipe withdrawing pumps. EFFECT: higher efficiency. 5 cl, 1 dwg
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