World oil prices fell in Asian trade today as investors continued to lock in profits from recent gains and Libyan rebels exported the country's first crude shipment from a region that they control. New York's main contract, light sweet crude pulled back 39 cents to 108.44 dollar per barrel after crossing 109 dollar for the first time in two-and-a-half years. Brent North Sea crude dipped 51 cents to 121.79 dollar after touching 123.37 dollar a barrel.