Two joint ventures will be formed under the deal a Canadian oil sands partnership operated by Husky and a US refining company to be operated by BP.
Husky will contribute its Sunrise oil sands asset in north-east Alberta's Athabasca region, while BP will contribute its refinery in Toledo, Ohio.
The companies will invest a total of about C$5.5 billion (US$5.5 billion) in the two assets over the next seven years.
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