Sucker rod pump

Details Sucker rod pump Sucker rod pump

1991-02-27

1992-04-14

Bertsch, Richard A.

Pumps

Expansible chamber type

Having pumping chamber pressure responsive distributor

417569, 1375278, F04B 2102

Patent

active

051043017

ABSTRACT:
A subsurface well pump is provided which is resitant to vapor locking. The pump is a reciprocating sucker rod pump which has a top inlet valve which comprises one or more hinged flapper valves.

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