An electrical submersible pump

Details An electrical submersible pump An electrical submersible pump

F - Mech Eng,Light,Heat,Weapons

04

D

F04D 13/08 (2006.01) F04D 1/04 (2006.01) F04D 29/02 (2006.01) F04D 29/18 (2006.01)

Patent

CA 2608538

The invention relates to high-speed electrical submersible pumps used for hydrocarbons production from oil wells with high concentration of solids. The technical result such as a longer service life is achieved with the technical design, wherein the pump comprises: a housing with a head and a base, a compression nut, a shaft installed on a journal bearing, stages of impellers and spacers installed on the shaft, set of diffusers installed on the housing, wherein the diffusers and impellers are manufactured from a ceramic material. The preferable design has metal spacers between the diffusers, wherein the length of the diffuser spacer between the contact surfaces equals the distance between the impeller spacers.

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