After two spills, Shell Oil to replace miles of problem pipeline
By Ted Goldberg, KQED News (Aug 7, 2017) – “The heavy crude the San Pablo Pipeline was transporting when it ruptured is similar to the tar sands oil the Keystone Pipeline is expected to transport, Weimer noted. That thickness could cause “cyclic fatigue” on other lines throughout California, he said, so the state should require all oil pipeline operators to conduct the hydrotesting. ‘Smart pigs just aren’t smart enough on some of these flaws,’ Weimer said.”
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