Direct Assessment & Guided Wave Testing
Direct Assessment & Guided Wave Testing
Direct Assessment & Guided Wave Testing
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Case Study<br />
• ECDA was chosen to assess the<br />
integrity of buried piping in a crude oil<br />
storage and delivery facility. The<br />
objectives of the assessment were:<br />
– Evaluate the existing level of cathodic<br />
protection<br />
– Identify locations of coating anomalies<br />
– Determine the extent of low potential<br />
areas<br />
– Identify critical areas for excavation and<br />
direct examination<br />
– Perform direct examination<br />
supplemented by <strong>Guided</strong> <strong>Wave</strong> at<br />
identified locations<br />
– Determine the effectiveness and<br />
feasibility for applying ECDA to terminal<br />
station piping<br />
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