Robotic Crawlers Inspect and Locate SCC at Natural Gas Facilities Problem Gas pipeline operators had difficult to access pipes that required inspection Most pipelines within the gas system were installed in the 1970’s and 1980’s and required inspection The anticipated pipe flaws were difficult to inspect so high resolution sensor technology was required Solution In-line robotic crawler with bidirectional capabilities Hand loaded tool easily deployed and retrieved Advanced NDE EMAT technology for assessing corrosion and SCC Results Robotic ILI crawler successfully navigated unpiggable pipelines NDE EMAT sensors provided high accuracy data on pipe wall condition and corrosion defects Pipeline operators monitored findings within allowable operating and repaired critical anomalies before putti

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