Down hole pump having a gas release valve

Details Down hole pump having a gas release valve Down hole pump having a gas release valve

F - Mech Eng,Light,Heat,Weapons

04

B

103/155

F04B 53/06 (2006.01) F04B 47/02 (2006.01)

Patent

CA 1243899

Title: Down Hole Pump Having a Gas Release Valve Abstract of the Disclosure A downhole pump having a gas release valve which valve can be easily applied to the fixed barrel of a conventional downhole traveling plunger pump by merely lengthen- ing such barrel. A trip on the pull rod attached to the plunger lifts off a valve element of the barrel valve seat to release any gas or foamy oil otherwise trapped between the lower standing valve and the traveling valve of the plunger. Such release takes place on each stroke of the pump. The invention is useful for obtaining oil under subterranean formation conditions that do not normally permit such recovery efficiently due to gas locks and can be either provided in a downhole pump or added to a conventional traveling plunger preexisting pump.

497073

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