SYSTEM, METHOD AND PROGRAM PRODUCT FOR CABLE LOSS COMPENSATION IN AN ELECTRICAL SUBMERSIBLE PUMP SYSTEM

SYSTEM, METHOD AND PROGRAM PRODUCT FOR CABLE LOSS COMPENSATION IN AN ELECTRICAL SUBMERSIBLE PUMP SYSTEM

An electrical submersible pumping (ESP) system can include a pump located in a wellbore, a motor attached to the pump, a power source located at the surface, a cable electrically coupling the power source and the motor, and a current sensor. The ESP system can also include a controller communicating...

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Hauptverfasser: KNOX, DICK L, LAYTON, JIM E, THOMPSON, HOWARD G, YOHANAN, TOM G, LEUTHEN, JOHN M
Format: Patent
Sprache:eng
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EARTH DRILLING
EARTH DRILLING, e.g. DEEP DRILLING
FIXED CONSTRUCTIONS
MINING
OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
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LAYTON, JIM E
THOMPSON, HOWARD G
YOHANAN, TOM G
LEUTHEN, JOHN M
description An electrical submersible pumping (ESP) system can include a pump located in a wellbore, a motor attached to the pump, a power source located at the surface, a cable electrically coupling the power source and the motor, and a current sensor. The ESP system can also include a controller communicating with the current sensor to calculate a voltage drop associated with the cable responsive to an impedance of the cable. The controller can also control a power source output voltage responsive to the calculated voltage drop. For example, the controller can adjust the power source output voltage to minimize a cable current while maintaining a minimum motor voltage. The controller can also control a motor shaft speed by changing a power source output voltage frequency to compensate for changing slip and adjust the power source output voltage to minimize the cable current while maintaining a minimum motor voltage.
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subjects EARTH DRILLING
EARTH DRILLING, e.g. DEEP DRILLING
FIXED CONSTRUCTIONS
MINING
OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
title SYSTEM, METHOD AND PROGRAM PRODUCT FOR CABLE LOSS COMPENSATION IN AN ELECTRICAL SUBMERSIBLE PUMP SYSTEM
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