[consulting firm FGE: tight supply is expected to push London oil prices to $85 a barrel] consultancy FGE said in a report that Brent crude futures prices are set to rebound to $80-85 a barrel this month and next month as the market tightens and inventories fall. "Last week's downward trend in oil prices' seems' disconnected 'from oil fundamentals, given the supply, demand and inventory dynamics of the past month," the agency said.