Guided wave testing of concrete anchor location on a 16” oil line using a HD inflatable ring. A corrosion patch found at the interface location. • 16” Crude Oil line • Spiral wrap insulation • Concrete anchor supports Job Details • HD ring increases the sensitivity in defect detection • HD ring reduces the influence of the interface • Severe defect was identified at the interface location, 1.5m from the ring Main Findings Equi

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