The keystone oil pipeline has been shut down after it ruptured in north dakota, halting the flow of thousands of gallons of crude oil from canada to refineries in the u.s. The keystone pipeline was shut down tuesday morning after a leak in north dakota South bow, the pipeline's operator, said it shut down the pipeline after its control center leak detection systems. A crude oil from the keystone pipeline in december in kansas was caused by a combination of a faulty weld and bending stress fatigue on the pipe. Somewhere in the rural quiet of fort ransom, north dakota, the keystone pipeline made a bit of a splash this morning—literally The leaks have varied in size, but in total the keystone pipeline has spilled more than 1 million gallons of crude oil over the years.
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