DOWNHOLE SWIRLER SEPARATOR (VERSIONS) Russian patent published in 2015 - IPC E21B43/38 

FIELD: oil-and-gas industry.

SUBSTANCE: in compliance with first version, separator comprises housing with protective cartridge, input shaft, auger, separation device, swirling chamber arranged between auger and separation element and axial wheel fitted inside swirling chamber. Besides, it includes extra working axial wheel and guide fitted on the shaft ahead of said auger. The latter is fitted in protective cartridge and has central bore for shaft to extend there through while swirling chamber length is no larger than auger length In compliance with second version, separator comprises housing with protective cartridge, input module, shaft, auger separation device, axial wheel and swirling chamber arranged above said auger. Besides, it includes extra working axial wheel and guide fitted on the shaft ahead of said auger. The latter is fitted in protective cartridge and has central bore for shaft to extend there through while swirling chamber length is no larger than auger length Axial wheel is arranged ahead of separation device.

EFFECT: better separation, higher reliability.

6 cl, 1 dwg