Financial Times | ExxonMobil forced to make cuts to reported oil and gas reserves Financial Times Reported oil and gas reserves at ExxonMobil dropped by 19 per cent last year as it revised away 3.5bn barrels of heavy bitumen at an oil sands project in Canada, the largest drop to be reported by one of the big international oil companies for at least ... Oil Sands Batter Major Explorers' Reserves as Rout Sinks Value Exxon has wiped a whopping 19.3% of its oil reserves off its books Exxon revises down oil and gas reserves by 3.3 billion barrels |