Electric submersible pump with specialized geometry for...

Details Electric submersible pump with specialized geometry for... Electric submersible pump with specialized geometry for...

F - Mech Eng,Light,Heat,Weapons

04

D

F04D 13/08 (2006.01) E21B 43/12 (2006.01) F04D 7/04 (2006.01)

Patent

CA 2659492

A method of pumping a well fluid with a submersible pump assembly comprises providing a centrifugal pump having a plurality of zones, with each zone comprising a plurality of impellers with impeller vanes that have exit angles, wherein the exit angles in one zone differ from the exit angles in another zone and the exit angles of the impellers in each zone decrease from one zone to another in a downstream direction, connecting an electric motor to the pump, lowering the pump and the motor into the well fluid in the well, providing power to the motor to rotate the pump, and causing the well fluid to be pumped by the pump.

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