Centrifugal pump with diluent injection ports

Details Centrifugal pump with diluent injection ports Centrifugal pump with diluent injection ports

F - Mech Eng,Light,Heat,Weapons

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F04D 13/10 (2006.01) E21B 43/12 (2006.01) E21B 43/16 (2006.01) E21B 43/22 (2006.01) E21B 43/25 (2006.01) F04D 3/02 (2006.01) F04D 29/22 (2006.01) F04D 29/42 (2006.01)

Patent

CA 2238276

An electrical submersible pump assembly has a diluent fluid injection line to reduce viscosity of well fluid. The electrical submersible pump includes impellers for displacing well fluids, and a base member having an intake port for receiving well fluid. An inducer having a helical flight is mounted below the impellers in the base member. The submersible pump is additionally provided with injection ports, preferably radially spaced around the base member proximate the inducer through which diluent is injected for mixing with the well fluid. The diluent is pumped down to the injection ports by an injection line that runs down from the surface.

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