Full-scale tests confirm pipe toughness for North American pipeline

Full-scale burst tests performed on line pipe typical for that being installed on the Canadian-US Alliance project have validated fracture control for the pipeline system. Firing line of Alliance moves through upper Midwest US farmland. (Photograph from Alliance Pipeline, Calgary)Click here to enlarge imageThe tests demonstrated that under typical worst-case operating conditions, should fractures occur, they will quickly arrest.BC to IllinoisAlliance Pipeline is constructing a $3 billion (Canadian $4.5 billion) natural gas pipeline system from northeastern BC to the Chicago, Ill., market center or "hub" where it will interconnect with the North American pipeline grid.The Alliance Pipelin...

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