Torque monitoring of electrical submersible pump assembly
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United States of America Patent
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Oct 24, 2023
Grant Date -
Jul 8, 2021
app pub date -
Jan 7, 2021
filing date -
Jan 8, 2020
priority date (Note) -
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Abstract
An electrical submersible well pump assembly has a SAW (surface acoustic wave) sensor on a motor shaft. A SAW electronic circuit mounts to the motor housing. The SAW electronic circuit has an antenna closely spaced to the SAW sensor for monitoring torque on the motor shaft. A controller at an upper end of the well supplies power to the motor. A motor gauge unit mounted to a lower end of the motor transmits signals to the controller. A signal line extends from the SAW electronic circuit to the motor gauge unit for transmitting signals from the SAW electronic circuit to the motor gauge unit, and from the motor gauge unit to the controller.
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