A tailings pond near the Syncrude tar sands operations near Fort McMurray, Alberta, September 17, 2014. Syncrude currently produces 350,000 barrels per day of high quality light, low sulphur crude oil according to company reports. (Photo by Todd Korol/Reuters)

Giant dump trucks haul raw tar sands at the Suncor tar sands mining operations near Fort McMurray, Alberta, September 17, 2014. In 1967 Suncor helped pioneer the commercial development of Canada's oil sands, one of the largest petroleum resource basins in the world. (Photo by Todd Korol/Reuters)

Giant dump trucks dump raw tar sands for processing at the Suncor tar sands mining operations near Fort McMurray, Alberta, September 17, 2014. (Photo by Todd Korol/Reuters)

Oil goes into a tailings pond at the Suncor tar sands operations near Fort McMurray, Alberta, September 17, 2014. (Photo by Todd Korol/Reuters)

Worker camp housing projects at the Suncor Firebag in-situ oil sands operations near Fort McMurray, Alberta, September 17, 2014. (Photo by Todd Korol/Reuters)

Oil at the first phase of separation from the sand at the Suncor tar sands processing plant near at their mining operations near Fort McMurray, Alberta, September 17, 2014. (Photo by Todd Korol/Reuters)

The Suncor tar sands processing plant near the Athabasca River at their mining operations near Fort McMurray, Alberta, September 17, 2014. (Photo by Todd Korol/Reuters)

Giant dump trucks haul raw tar sands to be processed at the Suncor tar sands mining operations near Fort McMurray, Alberta, September 17, 2014. (Photo by Todd Korol/Reuters)

Oil at the second phase of separation from the sand at the Suncor tar sands processing plant near at their mining operations near Fort McMurray, Alberta, September 17, 2014. (Photo by Todd Korol/Reuters)

Pipelines run at the McKay River Suncor oil sands in-situ operations near Fort McMurray, Alberta, September 17, 2014. (Photo by Todd Korol/Reuters)

A water treatment pond at the McKay River Suncor oil sands in-situ operations near Fort McMurray, Alberta, September 17, 2014. (Photo by Todd Korol/Reuters)

The top layer of muskeg and earth (L) is removed at the Syncrude tar sands operations near Fort McMurray, Alberta, September 17, 2014. Syncrude currently produces 350,000 barrels per day of high quality light, low sulphur crude oil according to company reports. (Photo by Todd Korol/Reuters)

Scarecrow dressed up on sticks to keep birds away from landing on oil ponds at the McKay River Suncor oil sands in-situ operations near Fort McMurray, Alberta, September 17, 2014. (Photo by Todd Korol/Reuters)

A log lays in a tailings pond at the Suncor tar sands operations near Fort McMurray, Alberta, September 17, 2014. (Photo by Todd Korol/Reuters)

Bulldozers work clearing an area at the new Suncor Fort Hills tar sands mining operations near Fort McMurray, Alberta, September 17, 2014. (Photo by Todd Korol/Reuters)

Heavy equipment works on a tailings pond at the Suncor tar sands operations near Fort McMurray, Alberta, September 17, 2014. (Photo by Todd Korol/Reuters)