SUGAR LAND--May 11, 2016--Researched by Industrial Info Resources (Sugar Land, Texas)--Alberta oil sands operations that were shut down as a result of the massive wildfire face uncertainty regarding when they will be able to restart. Fort McMurray, which is considered the hub of the oil sands region, remains too dangerous to enter and will need a lengthy cleanup, according to fire officials. Within this article: Lists oil sands production facilities that have been shut down, including those owned by Suncor Energy Corporation (NYSE:SU), Imperial Oil Limited (NYSE:IMO) (London, Ontario) Exxon Mobil Corporation (NYSE:XOM) and Statoil ASA (NYSE:STO).