HIGH FREQUENCY TORSIONAL OSCILLATION DETECTION BY AN ELECTRICAL MACHINE
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United States of America Patent
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Issued Date -
Oct 10, 2024
app pub date -
Apr 4, 2024
filing date -
Apr 5, 2023
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Abstract
A system and method of detecting a vibration of a drill string in a borehole. The drill string is conveyed into the borehole, the drill string including an electrical machine, the electrical machine including a stator and a movable element, the movable element movable relative to the stator, the drill string is rotated in the borehole. A control circuit determines first amplitude of the vibration of the drill string by measuring a signal indicative of a movement of the movable element in the electrical machine due to rotation of the drill string and controls a downhole operation of the drill string based on the detected first amplitude of the vibration.
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