FIELD: oil and gas industry.
SUBSTANCE: unit includes a flow column, a sleeve with a shank, a bottom-hole submersible pump with a hydraulic nozzle at suction, which is connected to a hollow actuating rod arranged in the flow column; the latter are enclosed in the sleeve with a radial hole interconnected with a channel of the hydraulic nozzle above the packer, and an electric submersible pump with and inlet module and an electric motor. The unit is complete with a filtering element mounted through a sleeve to the locking shoe. A chamber is mounted at the sleeve thus allowing separation of the sucker-rod pump suction from pumped fluid of the lower formation.
EFFECT: higher operating reliability of the downhole pump unit.
1 dwg
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