TransCanada Corp. said Sunday it restarted its Keystone pipeline, shown in this 2013 photo, after… The Canadian company said it has completed repairs to the leak , which caused a spill of about 400 barrels, or 16,800 gallons near the company’s Freeman pump station in Hutchinson County. It said it would initially operate the pipeline at reduced pressure to make sure it is working normally, with aerial patrols and visual inspections of the leak site. “Clean up and land restoration has already started and will continue over the coming days,” the company said regarding the spill. The 3,000-mile-long Keystone pipeline carries light and heavy crude oil from Hardisty, Alberta to a refinery and oil terminal in Illinois, as well as storage facilities at Cushing, Okla. and refineries in Port Arthur, Texas.