Downhole double acting pump

Details Downhole double acting pump Downhole double acting pump

1983-01-07

1983-09-20

Smith, Leonard E.

Pumps

Motor driven

Fluid motor

417 91, 91313, 91329, 91344, F04B 4708

Patent

active

044052910

ABSTRACT:
A down hole pump operated by gas in which the fluid in the production conduit may first be gas lifted. The exhaust gas from the pump aerates the well fluids in the production conduit. The pump is controlled by a valve whose operation is in turn controlled by a pilot valve shiftable in response to operation of the pump.

REFERENCES:
patent: 1448486 (1923-03-01), Garraway
patent: 2427703 (1947-09-01), Berkey
patent: 2642045 (1953-06-01), Potts
patent: 2726605 (1955-12-01), Tebbetts
patent: 2787223 (1957-04-01), Sargent
patent: 2799225 (1957-07-01), Schoen
patent: 2821141 (1958-06-01), Sargent
patent: 2948224 (1960-08-01), Bailey
patent: 3064582 (1962-11-01), Knights
patent: 3791768 (1974-02-01), Wanner
patent: 3963377 (1976-06-01), Elliott et al.

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