FIELD: oil industry, particularly arrangements for separating materials produced by the well.
SUBSTANCE: device comprises suction connection pipe with axial and radial channels, cups serially arranged one above another inside the suction connection pipe and accumulating pipe. The radial channels are in level with each cup bottom. Cup height is determined from analytic expression. Summary cup volume is selected such that summary volume of formation fluid filled in the cups exceeds fluid volume supplied by sucker-rod pump per one pump operation.
EFFECT: increased separation factor and extended field of application.
2 dwg
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