text: Oil Eases on Venezuela, Russia Optimism  LONDON (Reuters) - Oil prices eased on Tuesday as fears of  supply disruptions receded following a convincing referendum  victory in Venezuela for President Hugo Chavez and after  Russia's YUKOS said it had received a government assurance on  September exports.
inputs: Oil Eases on Venezuela, Russia Optimism  LONDON (Reuters) - Oil prices eased on Tuesday as fears of  supply disruptions receded following a convincing referendum  victory in Venezuela for President Hugo Chavez and after  Russia's YUKOS said it had received a government assurance on  September exports.