BISMARCK — The operator of a portion of the Keystone pipeline that runs through North Dakota estimates about 3,500 barrels, or 147,000 gallons, of crude oil spilled into a field near Fort Ransom Tuesday, April 8, after a pipeline malfunction.

The cause of the rupture and the total volume of oil released after the North Dakota spill remain unclear, officials said.

FORT RANSOM, N.D. — The Keystone Pipeline has spilled oil into a field near Fort Ransom. The amount of crude oil that may have spilled has not yet been determined. Bill Suess, spill investigation program manager with the North Dakota Department of Environmental Quality, said it is not yet clear whether the pipeline ruptured or sprang a leak.

The latest leak in the Keystone oil pipeline in North Dakota on Tuesday continues the troubled history of the 15-year-old pipeline

The cause of the leak and the duration of the shutdown are currently unknown. Federal and state agencies will investigate the incident and oversee cleanup. The operator of the Keystone Pipeline that carries oil from Canada into the U.

A portion of the Keystone oil pipeline has ruptured, forcing it to be shut down in North Dakota. It is not known what caused the break and the amount of crude oil that flowed into an agricultural field in Fort Ransom,

An estimated 3,500 barrels of oil spilled in a field near Fort Ransom, N.D., and the release was contained, the pipeline’s operator said.

Aligned with incident protocols, South Bow initiated a shutdown and response at approximately 7:42 a.m. CT on April 8, 2025, after control centre leak detection systems detected a pressure drop in the system;

A portion of the Keystone Pipeline ruptured near Fort Ransom, North Dakota, around 7:44 a.m., according to local reports.