Canadian oils strengthened after HollyFrontier Corp. said last week it resumed planned rates at its Tulsa East refinery in Oklahoma.
The company’s 70,300-barrel-a-day East plant that is part of the Tulsa refinery complex returned to normal output after completing repairs on a hydrotreater that was struck by a fire Aug. 2, Julia Heidenreich, a company spokeswoman, said in an e-mail Oct. 5.
The discount to WTI for Western Canada Select, a heavy oil blend from Alberta, narrowed 50 cents to $14.25 at 4 p.m. in New York, according to data compiled by Bloomberg. Syncrude’s premium to the U.S. benchmark added 15 cents to $5.90 a barrel.
Bakken oil’s premium narrowed 50 cents to $2 a barrel.
On the U.S. Gulf Coast prices were mixed. Light Louisiana Sweet’s premium narrowed 10 cents to $20.80 over WTI. Heavy Louisiana Sweet’s premium was unchanged at $20 a barrel.
Poseidon’s premium widened 50 cents to $14.25. Mars Blend decreased by 15 cents to $14.50 a barrel over WTI, and Southern Green Canyon widened 50 cents to $13.75.
The premium for Thunder Horse, a sour crude with lower sulfur content than Mars, Poseidon and Southern Green Canyon, narrowed 10 cents to $18.40 above WTI.