Algorithm for zonal fault detection in a well environment
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United States of America Patent
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Jul 19, 2016
Grant Date -
Jul 3, 2014
app pub date -
Dec 31, 2013
filing date -
Apr 2, 2007
priority date (Note) -
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Abstract
A hydrocarbon well (e.g., oil well) may be monitored during to determine whether a fault exists during an operation such as injecting sealant (e.g., cement) into the borehole. RFID tags may be mixed in a wellbore fluid (e.g., drilling mud, cement, etc.), placed into a borehole, and then tracked within the borehole by communication assemblies with RFID sensors. Data may be obtained by interrogating RFID tags in one or more azimuthally oriented regions of an annulus surrounding a casing of the borehole. Fluid distribution in the annulus will be evaluated with respect to azimuthally offset regions of the annulus.
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