Keystone Pipeline Spills 9,120 Barrels of Oil in Dakota Wetlands.

https://eos.org/articles/keystone-pipeline-spills-9120-barrels-of-oil-in-dakota-wetlands

Source:  By Kimberly M. S. Cartier, Eos/AGU.

Excerpt: The leak took place along a preexisting section of the Keystone Pipeline. This is the pipeline’s fourth spill in 9 years. A section of the Keystone Pipeline spilled half an Olympic swimming pool’s worth of sludgy oil into a North Dakota wetland on 29 October. Cleanup is underway, but ecologists say that residue from this type of oil spill could persist in the wetlands for a long time. ...The tar sands oil that runs through the pipeline from Canada “contains a heavy oil called bitumen,” she said. “This bitumen is like peanut butter. It’s hard to push peanut butter through a straw. Likewise, it’s hard to push bitumen through a pipeline.” The industry cuts the sludge with a lighter gas, called a diluent, to flow it through the pipes, “somewhat like thinning a soup that’s too thick.”...

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