FIELD: engines and pumps.
SUBSTANCE: invention relates to centrifugal separators of solid particles, incorporated with downhole bypass pumps intended for extraction of fluids from wells. Proposed separator comprises housing 1 with inlet holes 3, rotor 6 and channels 13 to withdraw solid particles. Separator includes flow separator 14, while solid particles are forced into well in direction aligned with that of pump fluid flow. Separator rotor 6 can represent a bypass pump with one of its impellers 10 making a centrifuge. Head 12 is used to attach separator to jet pump 8.
EFFECT: higher efficiency of separation and reduced abrasive wear of extraction pump working elements.
4 cl, 4 dwg
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