SURFACE DRIVE FOR SCREW OIL-WELL PUMP Russian patent published in 1997 - IPC

Abstract RU 2093708 C1

FIELD: oil production. SUBSTANCE: drive is made in form of reduction gear mechanism with engine, reducer-step-up gear insert and reduction gear which are engageable. Housing of reduction gear and reducer-step-up gear is provided with interchangeable units for attachment to engine and reduction gear. Drive shaft of reduction gear is provided with puller screws. Reduction gear is provided with sealing gland arranged in cavity of rotary mechanism housing. EFFECT: enhanced reliability. 3 cl, 1 dwg

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RU 2 093 708 C1

Authors

Sultanov Bajrak Zakievich

Zubairov Sibagat Garifovich

Zhulaev Valerij Petrovich

Dates

1997-10-20—Published

1995-03-01—Filed