Patent ID: 8571798
Filing Date: 2013-10-29
Classification: E21B,F04D,G01F

Abstract:
1. A system for monitoring a condition of a downhole electrical submersible pump (ESP) assembly, the system comprising: a downhole assembly configured to be disposed in a wellbore in an earth formation; the ESP assembly connected to the downhole assembly and including a motor and a pump, the ESP assembly in electrical communication with a surface electrical source via a conductor; a power gauge unit configured to measure an electrical power supplied to the ESP assembly; and a processor configured to receive data from the power gauge unit and calculate a flowrate of the ESP assembly based on at least the electrical power supplied to the ESP assembly, wherein at least one of the processor and the power gauge unit is configured to correct the measured electrical power due to power loss between the remote location and the ESP assembly to generate a corrected measured electrical power, and the at least one of the processor and the power gauge unit is configured to calculate the flowrate of the ESP based on the corrected measured electrical power.