Jet electric pump

Details Jet electric pump Jet electric pump

1980-09-11

1983-04-26

Look, Edward K.

Pumps

One fluid pumped by contact or entrainment with another

Jet pump with motive fluid generating pump

417 89, F04B 2308

Patent

active

043811752

ABSTRACT:
A pump assembly for limited production wells comprises an electric motor driven centrifugal pump having a controlled amount of recirculation through a jet pump. The recirculated fluid is the power fluid for the jet pump, which aspirates production fluid. The combined output of the jet pump is discharged to the centrifugal pump inlet. An electrically actuated valve in the recirculation path controls the amount of recirculation, permitting low well flow rates to be compensated for by high recirculation rates, and variation of the valve position is accomplished from the well head by the imposition of a DC signal on the AC power line for the pump motor.

REFERENCES:
patent: 2056994 (1936-10-01), Woods
patent: 2763281 (1956-09-01), Morgan
patent: 2812715 (1957-11-01), Redding et al.
patent: 2845028 (1958-07-01), Nash et al.
patent: 2853013 (1958-09-01), Lung
patent: 4294573 (1981-10-01), Erickson et al.

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