Wellsite sensor assembly and method of using same
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United States of America Patent
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Jan 12, 2021
Grant Date -
Feb 22, 2018
app pub date -
Oct 20, 2017
filing date -
Apr 20, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
A sensor assembly for a downhole tool including a tool body and a movable component movably positionable about the tool body is disclosed. The sensor assembly may include a wear sensor and/or a position sensor. The wear sensor may include a core with conductors at various depths to send a signal, whereby, upon wear of the core, a change in the signal at the depth of the wear is detectable. The position sensor may be carried by the movable component, and may be used with references comprising magnets distributed about the tool body. The position sensor includes magnets having polarity responsive to polarity of the references whereby a position of the movable component is determined. The sensor assembly may also include a chassis housing electronics coupled to the position sensor and/or the wear sensor.
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