Systems and methods for measuring bending, weight on bit and torque on bit while drilling
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United States of America Patent
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Jun 5, 2018
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N/A
app pub date -
Sep 15, 2017
filing date -
Feb 19, 2016
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Abstract
An apparatus for determining torque on bit and bending forces in a drilling assembly. The apparatus includes a body having an inner bore defined by an inner wall and having an outer wall, the body also including first and second light bores disposed between the inner wall and the outer wall and a light emitting assembly arranged and configured to cause a light beam to enter the first and second light bores. The assembly further includes first and second light sensors disposed in or at an end of the first and second light bores, respectively, that measure a location where light that enters the first and second light bores contacts the sensors
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