A leak of nearly 13,000 barrels of crude oil from the Keystone Pipeline near the Kansas-Nebraska border last year was caused by a flawed weld and stress on the pipe from being bent, the operator said.
Based on a presentation to the 13th International Offshore and Polar Engineering Conference, Honolulu, May 25-30, 2003. A new high-strength steel with a specified minimum yield strength of 120 ksi has ...
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