March 2015, Vol. 242, No. 3

Features

Developing Crack Size Detection Criteria for Unpiggable Gas Pipelines

NYSEARCH/Northeast Gas Association (NGA) and development partner Invodane Engineering have introduced the Explorer series of robotic internal inspection platforms and sensors which can perform integrity assessments on natural gas pipelines now incapable of using conventional inline inspection (ILI) technology. The commercial partner on the project is Pipetel Technologies Inc. The Explorer robots for 6-inch through 36-inch pipelines serve as a platform for nondestructive examination sensors capable of indicating the location, position, orientation, size and characteristics needed to preserve the integrity of the pipeline. An important category of features relevant to assessment of pipeline

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