Robotic Crawler Inspects Gas Pipeline Beneath Major European City Diakont recently inspected an unpiggable section of a pipeline that had never been accessible for a major European natural gas pipeline operator. This inspection was crucial for the integrity management program because the natural gas pipeline was buried beneath a densely-populated urban area, making pipeline safety and reliability especially important. The high-consequence area (HCA) pipeline had not previously been inspected due to the limitations of traditional in-line inspection (ILI) methods. Challenge Pipeline in HCA had never been inspected No pig launchers or traps available Complex pipeline geometries difficult for traditional pigs Solution In-line robotic crawler with bidirectional capabilities Advanced NDE sensor

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