Silvertip Spill July 2011

July 1, 2011, there was a pipeline break in Montana which caused a spill of crude oil into the Yellowstone River. I didn’t recall hearing or reading about this in the news at the time. I did read about it from the oil company publication later. The exact cause of the break was not given. I looked up some articles which were directly about the spill but contained no information on what caused the break in the pipe. The closest article found was online at a “switchboard.nrdc blog” about this spill and the implication being, to not support the Keystone XL pipeline project.  I commented on the switchboard site, the following in order to see if there would be a response to my question. …

“Thanks for this piece on Silvertip pipeline spill. I cannot find any reference to a cause of the pipe failure; other than yours alluding to the pumping of the “tar sands crude” causing more than usual “wear” on the pipe. Is there any published data on the exact cause of the pipe break? Supposedly the pipe had been inspected by regulators just prior to the break.”

I have received neither a reply nor a comment.

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