Oil spill history of the Keystone pipeline According to Reuters

© Reuters. FILE PHOTO: The TC Energy logo is printed on a smartphone in this illustration taken December 4, 2021. REUTERS/Dado Ruvic/Illustration

(Reuters) – Canada’s TC Energy (NYSE:) has shut down its Keystone pipeline in the United States after more than 14,000 barrels of oil spilled into a creek in Kansas, making it one of a series of crude spills. largest in the United States in nearly a decade.

The 622,000 bpd pipeline is a vital lifeline transporting Canadian heavy crude from Alberta to refineries in the US Midwest and Gulf Coast. It is unclear how long the closure will last.

There have been a number of spills on the line since it began operations in 2010. The following is a schedule of some of Keystone’s largest oil spills, based on data from the Safety Administration. Hazardous Materials and Pipelines USA.


May: TC shuts down pipeline for six days after spilling about 500 barrels of oil due to installation error at a pumping station in North Dakota. (


April: China shuts down pipeline after leaking about 400 barrels of oil in Hutchinson County, South Dakota. (


November: TC partially shuts down its Keystone pipeline system following a leak in South Dakota, caused by mechanical damage from original construction. Initially pegged at 5,000 barrels, a TC spokesman later put an estimate at around 9,700 barrels. (


February: Parts of the Keystone pipeline are closed after 42 barrels of oil leak overland in rural St. Charles, Missouri. (

October: An estimated 9,120 barrels of oil spill into North Dakota. According to PHMSA, the spill is one of the largest onshore crude oil spills in the past decade and the largest for Keystone. (

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