In-line EMAT expands IM capabilities

Based on presentation to NACE Corrosion 2009 conference, Atlanta, Mar. 22-26, 2009.Electromagnetic transducer technology in-line inspections are sufficiently sensitive to detect crack-like features as part of pipeline integrity management. A multiparameter correlation process allows classification and characterization of crack-like features with acceptable probability. Detection, sizing, and characterization capabilities of the EMAT technology can provide the basis for subsequent application of integrity-management programs BackgroundGas and liquid pipeline operators are increasingly concerned aging pipelines may be subject to crack-like defects such as stress corrosion cracking and ...

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