Imperial Oil

"As every day goes by, we continue to run this thing down and continue to secure it," said Alberta Wildfire manager Chad Morrison.

Syncrude, Canada's largest synthetic crude oil project in the oil sands, is the latest victim of the Fort McMurray wildfire.

"Recognizing the uncertain market conditions, particularly in the upstream, our focus remains on what we can control," Imperial chairman and chief executive Rich Kruger said in a statement.

"No company will continue to be successful if their integrity and their reputation is questioned," said the U.S. Secretary of the Interior Sally Jewell.

The documents, a collection of archived internal corporate reports donated to the Calgary museum, contradict what the company, Imperial Oil, had been telling the public for years about climate change.

With up to $500 million at stake, a controversial review of Arctic oil exploration initiated by Conservatives and big oil companies will proceed, the Liberal government has announced.

One of the biggest producers in the oilsands, ExxonMobil Corp.-controlled Imperial Oil, isn't ready to endorseRachel Notley's new climate policy.

The $9-billion mine northeast of Fort McMurray, Alta., is expected to eventually produce 110,000 barrels of crude a day.

The two companies announced their first-quarter financial results before their annual shareholder meetings in Calgary.