Reuters: Initial investigations following a 20,600-barrel leak on Tesoro Logistics LP pipeline in North Dakota point to corrosion on the 20-year-old pipeline, state regulators said on Friday.
The six-inch pipeline was carrying crude oil from the Bakken shale play to the Stampede rail facility outside Columbus, North Dakota when a farmer discovered oil spouting from the pipeline on September 29.
This is the largest oil spill in the state since it became a major U.S. producer. It is the biggest oil leak...