FIELD: oil and gas industry.
SUBSTANCE: plant consists of the pump 1, "проректора" 3, electric motor 4, cover 5, filter 6 with holes, sand accumulator 7 and sludge catcher 12 mounted outside. Filter 6 has suction pipe 13 that widens to the bottom, movable spring 9 with annular cover 8 located inside or outside of the filter 6.
EFFECT: increase of equipment overhaul period, more effective cooling of all heating parts of submersible electric motor by upstream and discharge of associated gas into the annular space bypassing the pump intake.
1 dwg
