11 April 2007 Downhole fiber optic real-time casing monitor
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A fiber optic system for providing permanent downhole casing strain and shape monitoring is described. The optical sensing technique, deployment strategy, as well as lab and field test results are presented. The system is based on optical frequency domain reflectometry for reading out densely packed arrays of Bragg grating sensors. The feasibility of the approach is established and quantitative measurements of casing strain and shape are presented.
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Brooks A. Childers, Brooks A. Childers, Frederick H. K. Rambow, Frederick H. K. Rambow, Dennis E. Dria, Dennis E. Dria, Michelle Y. Shuck, Michelle Y. Shuck, Daniel S Homa, Daniel S Homa, Stephen H. Poland, Stephen H. Poland, } "Downhole fiber optic real-time casing monitor", Proc. SPIE 6527, Industrial and Commercial Applications of Smart Structures Technologies 2007, 65270J (11 April 2007); doi: 10.1117/12.715289; https://doi.org/10.1117/12.715289

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