Abstract
Designs of NVN and NV-D-1M types of modern semi-submersible electric pumping units for pumping stock-tank (commercial) oil, corrosive and neutral stratal water, water-oil emulsion, gas condensate, etc., are presented. The advantages and typical features of hydrostatic and hydrodynamic sliding bearings are shown. A schematic design of the transmission and booster support of one of the pump models is shown.
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