Downhole hydraulically actuated pump with jet boost

Details Downhole hydraulically actuated pump with jet boost Downhole hydraulically actuated pump with jet boost

1977-10-17

1980-05-13

Croyle, Carlton R.

Pumps

One fluid pumped by contact or entrainment with another

Diverse pumps

417404, F04F 554

Patent

active

042026563

ABSTRACT:
A subsurface hydraulically powered pump assembly having a reciprocating pump end, a reciprocating engine end, a valve assembly for controlling the flow of power fluid to and from the engine, and a jet-type pump incorporated therewith which utilizes either the spent power fluid, or alternatively, utilizes fresh power fluid in boosting the action of the reciprocating pump. The invention comprehends utilizing the jet action to supplement the engine action at either the pump suction or the pump exhaust, thereby enabling a considerable variation in the size of the pump and engine piston, and furthermore enabling a conventional downhole reciprocating pump to move an increased volume of fluid to a greater height.

REFERENCES:
patent: 2780171 (1957-02-01), Heddy
patent: 3453963 (1969-07-01), Roeder
patent: 3517741 (1970-06-01), Roeder
patent: 3650640 (1972-03-01), Roeder
patent: 3773437 (1973-11-01), Suman, Jr.
patent: 3788771 (1974-01-01), Akins
patent: 3865516 (1975-02-01), Roeder
patent: 3957400 (1976-05-01), Roeder
patent: 4003678 (1977-01-01), David

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