Features recalculation efficiency of energy-efficient pumps at different frequencies of rotation of a shaft

Authors: D.N. Lebedev, M.P. Peshcherenko, S.N. Peshcherenko, E.V. Poshvin (Novomet-Perm, CJSC, RF, Perm)

Key words: ESP, submersible pump, energy efficiency, efficiency factor, rotation frequency.
Complex approach to increasing of energy efficiency of submersible rig for oil production allows decreasing of electric energy spending by 30-50p%. New equipment has high reliability and increases operating run-life, especially at low-yield stock.

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