OIL-WELL SUCKER-ROD PUMPING UNIT FOR PUMPING OUT GAS-LIQUID MIXTURES Russian patent published in 1997 - IPC

Abstract RU 2100652 C1

FIELD: oil producing industry. SUBSTANCE: unit has cylinder with main suction valve arranged along cylinder axis. Additional suction valve is located above main suction valve eccentrically relative to cylinder axis. Degassing chamber whose outlet valve is located below main valve coaxially with additional suction valve is arranged at cylinder liquid inlet. EFFECT: improved efficiency of operation of oil wells with complicated operating conditions where pumping units operate at low efficiency. 1 dwg

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RU 2 100 652 C1

Authors

Koshkin Konstantin Ivanovich

Kljushin Ivan Jakovlevich

Dates

1997-12-27—Published

1996-12-25—Filed