High viscosity pumping system and method of using same
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United States of America Patent
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Aug 10, 2021
Grant Date -
Oct 15, 2020
app pub date -
Apr 10, 2019
filing date -
Apr 10, 2019
priority date (Note) -
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Abstract
An electrical submersible pump (ESP) for use in a high viscosity pumping system includes a pump shaft, at least one rotating impeller including an impeller hub and one or more impeller vanes projecting from the impeller hub. Each of the one or more impeller vanes includes an impeller vane edge, and at least one stationary diffuser positioned below the at least one rotating impeller. A diffuser includes a diffuser hub and a diffuser shroud including a diffuser shroud surface. The impeller vane edge and the diffuser shroud surface are separated only by a clearance gap.
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