FIELD: engines and pumps.
SUBSTANCE: liquid phase is additionally fed into suction chamber 13 of multiphase pump 12 during reduction in liquid phase portion in pumped gas-containing fluid below tolerable level in time intervals wherein liquid phase is invariably preserved in amount sufficient for closing gaps in pump working members 15 and shaft seals of pumps 16 of multiphase pump 12.
EFFECT: maintaining operating parametres in pumping fluid with low portion of liquid phase and during dry idling.
5 cl, 1 dwg
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