The major pipeline delivering gasoline to Oregon spent around 10 days out of service, forcing prices at the pump to surge across the state, before reportedly restarting Friday.

Experts who closely watch fuel prices expect gas prices to stay high at least into next week — and potentially for longer — even as fuel starts flowing through the line again.

The Olympic Pipeline, owned and operated in part by oil and gas giant BP , carries fuel from refineries in Washington state to the Portland area. The pipeline was not scheduled for a routine outage this month, according to fuel industry experts. However, on Sept. 2, users of the pipeline started reporting disruptions.

A BP spokesperson told OPB the company doesn’t comment on operations. The agency in the U.S. Department of Transportation

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