Sucker rod pump

Details Sucker rod pump Sucker rod pump

1991-02-27

1992-04-28

Bertsch, Richard A.

Pumps

Expansible chamber type

Mechanically actuated distributor

417559, 417569, F04B 704, F04B 2102

Patent

active

051082721

ABSTRACT:
A subsurface well pump is provided which is resistant to vapor locking. The pump is a reciprocating sucker rod pump which has a top inlet valve, and a means to vent vapors from the barrel of the pump on each stroke.

REFERENCES:
patent: 252643 (1882-01-01), Bartlett
patent: 346206 (1986-07-01), Jensen
patent: 1353391 (1920-09-01), Hall
patent: 1493267 (1924-05-01), Kauffmann
patent: 1823936 (1931-09-01), Harper
patent: 1832995 (1931-11-01), Ogletree
patent: 4502503 (1985-03-01), Kardenko

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