The outage was not expected to impact customer nominations for the month of March, the company said.

Oil market intelligence firm Genscape had reported that Keystone flows from Hardisty, Alberta, to Steele City, Nebraska, had fallen to 134,000 bpd from an estimated 571,000 bpd.

(Reporting by Shruti Chaturvedi in Bangalore. Editing by Andre Grenon)