(Reuters) – Canada’s TC Energy said on Sunday it had not yet determined the cause of last week’s Keystone pipeline leak in the United States, although it also did not give a timeline for the resumption of operation of the pipeline.
TC shut down the pipeline after more than 14,000 barrels of crude oil spilled into a Kansas creek on Wednesday, making it one of the largest oil spills in the United States in nearly a decade.
“Our teams continue to actively investigate the cause of the incident. We have not confirmed a timeline for the restart and will only resume service when safe and with regulator approval,” TC said. in an update posted on its website.
The pipeline operator said more than 250 people were working on the spill, including third-party environmental experts, adding that it was constantly monitoring air quality and there were currently no indications of problems. health or public concern.
Crews are also preparing for the rain forecast to begin on Monday, TC said.
The Keystone Line, with a capacity of 622,000 barrels per day, is a vital artery that transports Canadian heavy oil from Alberta to refineries in the US Midwest and the Gulf Coast.
The closure of Keystone will hamper deliveries of Canadian crude both to the US storage facility in Cushing, Oklahoma, and to the Gulf, where it is processed by refineries or exported.
(Reporting by Juby Babu in Bangalore)
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