System and method for measuring depth and velocity of instrumentation within a wellbore using a bendable tool
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United States of America Patent
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Feb 18, 2014
Grant Date -
May 30, 2013
app pub date -
Nov 27, 2012
filing date -
Oct 2, 2007
priority date (Note) -
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Abstract
An apparatus and method for measuring depth, velocity, or both depth and velocity of instrumentation along a wellbore is provided. The apparatus includes a downhole portion movable within the wellbore in a direction generally parallel to the wellbore. The apparatus further includes a first acceleration sensor that generates a first signal indicative of a first acceleration. The apparatus further includes a second acceleration sensor that generates a second signal indicative of a second acceleration. The apparatus further includes a bend sensor generating a third signal indicative of an amount of bend of at least a portion of the downhole portion.
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