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Technical Discussions
Mark
Mark
11:05 Jan-18-2009
Effect of tube cleanliness on ECT data

Hi! Generally data collected during ect inspection of tubes containing dirt, product deposits, mud, scales contain lot of noise and give rise to indications which have phase angles similar to ID thinning. In such cases it becomes very difficult to differentiate whether signals are due to insufficient cleanliness or from real multiple ID pits. Rust scales are conductive so it make sense that they can affect the ect signals but why mud and product deposits which are non conductive affect ect signals? Any suggestions and data analysis tips in such scenarios will be highly appreciated.

Regards,
Mark

    
 
 

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