Bypass valve for sucker rod pumps

Details Bypass valve for sucker rod pumps Bypass valve for sucker rod pumps

1981-01-26

1982-12-07

Purser, Ernest R.

Pumps

Including separate port on noncyclic valve for draining pump...

417443, 417554, 166105, 166332, 166373, F04B 2100, F04B 3900

Patent

active

043624782

ABSTRACT:
A pipe section with an exteriorally secured valve body is arranged to be inserted in a lower portion of a well pipe string containing sucker rods and a lower pump, the pipe section and valve body being disposed slightly above the pump itself. A lateral pin passes through a connecting bore between the pipe section and valve body and is arranged to be urged in a lateral direction to operate the valve when the sucker rods are moved beyond their normal stroke within the pipe string. Opening of the valve serves to place the column of fluid in the well pipe string into communication with the well annulus and thereby permit emptying the pipe string of the fluid column and thus permitting the pipe to be pulled for repairing the pump or for other operations without the disadvantage of the heavy hydrostatic pressure resulting from the fluid column.

REFERENCES:
patent: 2363290 (1944-11-01), Birdwell
patent: 2663261 (1953-12-01), Gage
patent: 2674198 (1954-04-01), Howe
patent: 2720839 (1955-10-01), Chenault
patent: 2997963 (1961-08-01), Hatcher
patent: 3140668 (1964-07-01), Breaux
patent: 4166715 (1979-09-01), Huckaby

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