WELL PUMPING UNIT Russian patent published in 1998 - IPC

Abstract RU 2106529 C1

FIELD: production of high-viscosity oil at high content of paraffins. SUBSTANCE: tubular elements of well pumping unit, oil well tubing, lift tube strings and pump housing are made from reinforced polymer material of surface roughness below class 9. EFFECT: enhanced efficiency. 3 dwg

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RU 2 106 529 C1

Authors

Osipov Aleksej Petrovich

Milanich Vladimir Nikolaevich

Dates

1998-03-10—Published

1996-07-05—Filed