Hydrostatic pressure release for bottom hole oil well pumps

Details Hydrostatic pressure release for bottom hole oil well pumps Hydrostatic pressure release for bottom hole oil well pumps

1975-11-17

1976-11-30

Leppink, James A.

Wells

With eduction pump or plunger

Having sediment trap or deflector

166317, 417434, E21B 4300

Patent

active

039943380

ABSTRACT:
A subjoint, having a wall port normally closed by a frangible disk, is connected with the depending end of a bottom hole oil well pump below the standing valve for draining fluid out of the tubing when the frangible disk is ruptured.

REFERENCES:
patent: 3366182 (1968-01-01), Solum
patent: 3417822 (1968-12-01), Howell
patent: 3448805 (1969-06-01), Brown

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