The company, Canada's No. 2 pipeline operator, said it applied on Wednesday for a presidential permit for its planned Upland pipeline, which will carry as much as 220,000 barrels of oil per day 240 miles (386 kilometers) from Williston, North Dakota, to meet the proposed Energy East pipeline in southern Saskatchewan near the border with Manitoba.

The C$600 million ($493 million) Upland line, announced in February, will take crude from North Dakota's prolific Bakken field, where a shortage of pipeline space has forced producers to ship their crude by rail.

"Upland is a gathering system that will help move Williston Basin oil production to markets where it is needed," said Mark Cooper, a spokesman for the company. "A great deal of this oil is already being transported to market by rail. Upland will allow us to transport that oil by pipeline."

The application comes despite the continuing fight over the Keystone XL pipeline, which would take crude from the Alberta oil sands and the Bakken field to the refining hub on Texas' Gulf Coast. A host of environmental groups oppose the project, arguing it would encourage the expansion of carbon-dioxide intensive production from the oil sands.

President Barack Obama has vetoed a series of Republican-backed bills demanding he approve the line and earlier this year said Keystone XL would carry oil produced "in an extraordinarily dirty way," a description the Canadian government argues is unfair.

TransCanada first applied for a presidential permit for Keystone XL in 2008 and again in 2012 after coming up with a new route for the line through Nebraska. State Department studies twice concluded the $8 billion line would have an acceptable environmental impact and not contribute to global warming.

The State Department, which will review the application for Upland, could not be immediately reached for comment.

TransCanada's Cooper said 70,000 barrels per day of oil from the Upland pipeline have been contracted to ship on the Energy East line, expected to be complete in 2020, where it can be shipped to refineries in Eastern Canada or abroad.

(Reporting by Scott Haggett; editing by Matthew Lewis)