Reciprocating pump with partial flow reversal

Details Reciprocating pump with partial flow reversal Reciprocating pump with partial flow reversal

1983-12-19

1986-01-21

Novosad, Stephen J.

Wells

With eduction pump or plunger

With leak means

1663051, 166370, 166 68, E21B 4325

Patent

active

045652465

ABSTRACT:
A reciprocating type oil well pump. It employs modifications of standard pump structure in order to obtain a reverse flow pulse during each pumping cycle. The pump barrel has a port near the upper end of the stroke, and the traveling valve is spring loaded against a desired pressure. The piston closes the port during the lower portion of the stroke.

REFERENCES:
patent: 626949 (1899-06-01), Wheeler
patent: 955024 (1910-04-01), Walker et al.
patent: 2630070 (1953-03-01), Davis
patent: 2897768 (1959-08-01), Perry

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