Wear rings for downhole pump

Details Wear rings for downhole pump Wear rings for downhole pump

F - Mech Eng,Light,Heat,Weapons

04

B

F04B 47/12 (2006.01)

Patent

CA 2508270

A downhole pump for a well has a barrel and a plunger. The barrel has a passage extending along the length of the barrel, with the passage having an inside diameter. The plunger has an outside diameter and is received by the barrel passage for relative reciprocal movement. One of the barrel or the plunger is equipped with wear rings, with a wear ring at one or at each end. The wear rings are made of a material that is harder than the material of the respective plunger or barrel. The wear rings provide protection from abrasion, particularly in a sandy well.

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