Leak localization using acoustic-signal correlations
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United States of America Patent
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Aug 2, 2022
Grant Date -
Oct 1, 2020
app pub date -
Jul 12, 2016
filing date -
Jul 12, 2016
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Abstract
Disclosed are acoustic logging systems and methods that involve correlating broadband acoustic signals acquired by a plurality of acoustic sensors at multiple depths within a wellbore to compute covariance matrices and their eigenvalues in the frequency domain for a plurality of frequency bins. In accordance with various embodiments, acoustic sources are detected and located based on the eigenvalues viewed as a function of depth and frequency.
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