Reinforcing element and demand sensitive pressure intensifier fo

Details Reinforcing element and demand sensitive pressure intensifier fo Reinforcing element and demand sensitive pressure intensifier fo

1983-10-24

1985-10-08

Novosad, Stephen J.

Wells

With eduction pump or plunger

Having sediment trap or deflector

166106, 166135, 166196, 166387, E21B 33128, E21B 33129, E21B 3312

Patent

active

045454337

ABSTRACT:
A reinforcing element for an elastomeric sealing element for use within a well casing and passable through production tubing is formed of two metallic plate members having a plurality of radially extending projections, and the radially extending projections are bent and joined to one another to allow the reinforcing element to be passed through production tubing. A demand sensitive pressure intensifier for use with a hydraulic fluid pump and passable through production tubing has a means for compressing hydraulic fluid to a pressure which exceeds the maximum output pressure of the pump, and the compression means is selectively actuated when the output pressure of the pump reaches a predetermined pressure value.

REFERENCES:
patent: 2836252 (1958-05-01), Lane
patent: 2885009 (1959-05-01), Baker
patent: 3083775 (1963-04-01), Nielson et al.
patent: 3298440 (1967-01-01), Current
patent: 4258926 (1981-03-01), Upton
patent: 4493374 (1985-01-01), Magee, Jr.

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