Hydraulic oil well pumping installation

Details Hydraulic oil well pumping installation Hydraulic oil well pumping installation

F - Mech Eng,Light,Heat,Weapons

04

B

F04B 47/02 (2006.01) E21B 43/12 (2006.01) F04B 47/08 (2006.01)

Patent

CA 2453072

A hydraulic oil well pumping installation includes a down hole pump positioned down a well, the down hole pump including a master cylinder and at least one slave cylinder in axial alignment with the master cylinder. A master piston is positioned in the master cylinder and divides the master cylinder into a first portion and a second portion. A slave piston is positioned in the at least one slave cylinder and divides the slave cylinder into a first portion and a second portion. The slave piston is connected by a rigid linkage to the master piston, such that movement of the master piston results in movement of the slave piston.

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