Pumping apparatus

Details Pumping apparatus Pumping apparatus

1983-04-28

1985-10-15

Look, Edward K.

Power plants

Pressure fluid source and motor

Cyclically operable reciprocating or oscillating motor or...

60381, 60383, 60414, F16H 3946

Patent

active

045466076

ABSTRACT:
A pumping apparatus includes a reversible variable displacement drive pump having two ports and a lifting apparatus connected to one of the ports. The lifting apparatus is designed to fit on the well-head of an oil well and attach to the polish rod of the well to operate a down-hole pump. A fluid accumulator containing a precharge is connected to the second port of the drive pump. A pump-off control system automatically adjusts the pumping rate of the lifting apparatus to the individual rate of formation flow of a particular well.

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patent: 4187680 (1980-02-01), Sanford
patent: 4188787 (1980-02-01), Bromell
patent: 4355506 (1982-10-01), Leonard
Econo-Pump Corporation Brochure.
Marine and Petroleum Equipment Brochure.
HOE Pump Brochure.
Hydacarbon Mechanicals Brochure.
Pearson Hydraulic Brochure.

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