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Testing Optical Fiber: Undersea and Downhole Applications

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A recent study demonstrates the mechanical performance of optical fibers under harsh conditions.

ANDREI STOLOV, OFS

Many land and undersea oil operations rely heavily on temperature sensing for improved safety and functionality in harsh environments. Silica-based optical fibers have been increasingly used for distributed temperature and acoustic sensing applications, in which temperatures and/or acoustic signals are recorded as a continuous profile along the length of the optical fiber sensor cable. For fiber interrogation up to 15 km, well and pipeline operators can use fiber-based sensing to measure, in nearly real time, an entire wellbore or pipeline span with a resolution of 1 m or less using Raman-,...Read full article

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