electric submersible pump

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1. n. [Well Completions]
An artificial-lift system that utilizes a downhole pumping system that is electrically driven. The pump typically comprises several staged centrifugal pump sections that can be specifically configured to suit the production and wellbore characteristics of a given application. Electrical submersible pump systems are a common artificial-lift method, providing flexibility over a range of sizes and output flow capacities.
2. n. [Heavy Oil]
An electric downhole pump used in heavy oil production that is designed with vane and fin configurations to accommodate frictional losses and pump efficiencies caused by heavy oil viscosity.
Alternate Form: ESP
See: heavy oil