The price of London Brent crude oil hit a record high point above 147 dollars per barrel in afternoon deals on Friday, amid simmering tensions over key producer Iran, traders said. London's Brent North Sea oil for August delivery surged as high as 147.25 dollars, which beat the previous record of 146.69 which was set on July 3. New York's main oil contract, light sweet crude for August delivery, hit another record peak of 146.90.