FIELD: oil and gas industry.
SUBSTANCE: pump unit for simultaneous separate operation of two formations in the well includes a flow column, cable, packer, shank with the main channel the input of which is interconnected with underpacker space, upper and lower electric centrifugal pumps with upper and lower inlets and common outlet interconnected with flow column, which are mounted on one electric submersible two-shaft engine. Between the above engine and lower pump there arranged is electromagnetic coupling controlled using direct current source located on the ground surface and additional communication line - cable.
EFFECT: improving informativity of extraction of some amount of formation fluid for each of the formations and use efficiency of underground equipment.
1 dwg
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