Wednesday, October 16, 2013

North Dakota Pipeline Spill Estimates 'A Guess' At Best After 20,000 Barrels Spill Into Field

From:  HuffPost 

AP  |  By JAMES MacPHERSON


BISMARCK, N.D. (AP) — Scientists who helped calculate oil spilled from a broken BP well into the Gulf of Mexico are questioning the methodology used to estimate the amount of crude that recently leaked from a ruptured pipeline into a wheat field in northwestern North Dakota.
Tesoro Corp. said it came up with its more than 20,000-barrel spill estimate using ground analysis. But oil spill experts say a more accurate assessment likely would come from calculating how much crude went into the pipeline versus what was supposed to come out at its terminus.
Farmer Steve Jensen discovered the North Dakota oil spill the size of seven football fields while harvesting wheat Sept. 29. Tesoro Corp. first estimated the spill at its underground pipeline near Tioga at 750 barrels. About a week later, the San Antonio, Texas-based company increased the estimate to 20,600 barrels, or some 865,000 gallons, making it one of the largest spills in North Dakota history.  MORE

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