ConocoPhillips (NYSE: COP) said on June 15 that 73% of wells at its Surmont oil sands project in northern Alberta are back in production or injecting steam, with no unexpected complications or issues affecting the effort.

Surmont was shut down in early May when a huge wildfire roared through the Fort McMurray region, forcing producers to halt more than 1 million barrels per day (MMbbl/d) of oil sands output.

The thermal oil sands project is a joint venture with Total E&P Canada and produces 30,000 bbl/d net to ConocoPhillips and 60,000 bbl/d in total.

Most producers affected by the Fort McMurray fire are now ramping up operations after being forced to evacuate facilities as a precaution.

However, oil sands output is still tight as a result of the shutdowns and maintenance work, with imports into the U.S., which usually top 3 MMbbl/d, dipping in the latest week.

Data from the U.S. Energy Information Administration showed the U.S. imported 2.8 MMbbl/d of crude from Canada in the week ended June 10.