Fluid pump

Details Fluid pump Fluid pump

1984-03-19

1985-07-30

Freeh, William L.

Pumps

Expansible chamber type

Relatively movable serial distributors

417511, 1376142, F04B 3908, F04B 2104

Patent

active

045318964

ABSTRACT:
A fluid pump for raising petroleum fluids through production tubing in completed oil wells includes a mechanically actuated travelling valve, which is rotated via longitudinal movement within the housing of a travelling valve actuator member.

REFERENCES:
patent: 42705 (1864-05-01), Warren
patent: 456128 (1891-07-01), Darling
patent: 1567827 (1929-12-01), Lublin
patent: 1784602 (1930-12-01), Kirkpatrick
patent: 2791970 (1957-05-01), Hunter
patent: 2933050 (1960-04-01), Crowl
patent: 3023710 (1962-03-01), Tyree
patent: 3612101 (1971-10-01), Paulouch

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