Keystone Pipeline oil spill in N. Dakota caused by weld crack

The operator of the Keystone Pipeline says a crack along a weld caused an oil leak in southeast North Dakota earlier this year.  South Bow temporarily shut down the Keystone Pipeline on April 8 after a drop in pressure. South Bow later estimated that about 3,500 barrels, or 147,000 gallons, of oil spilled in a […]