SONIC/ACOUSTIC MONITORING USING OPTICAL DISTRIBUTED ACOUSTIC SENSING
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United States of America Patent
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Issued Date -
Jan 15, 2015
app pub date -
Sep 29, 2014
filing date -
May 12, 2010
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Abandoned
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Abstract
Methods and apparatus for performing sonic well logging within a wellbore based on optical Distributed Acoustic Sensing (DAS) are provided. A sonic well logging system based on DAS may be capable of producing the functional equivalent of tens, hundreds, or even thousands of acoustic sensors. In this manner, the emplacement of the sonic well logging system based on DAS may not be nearly as complex or expensive as emplacing a sonic well logging system based on traditional methods. Furthermore, multiplexing may be simpler, downhole electronics need not be used, and the sonic well logging system may be used in extreme, high temperature environments.
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