Global crude oil prices fell during the week. Brent crude futures fell 0.6 percent, during the week to end at 52.10 dollars a barrel. U.S. crude futures finished the week at 48.82 dollars a barrel, declining 1.5 percent, during the week.Earlier in the week, the International Energy Agency had said it expected lower stock draws this year than initially anticipated. Also, Baker Hughes data had showed U.S. drillers added oil rigs for a second time in the last three weeks.Meanwhile, U.S. crude inventories fell 6.5 million barrels last week, according to the Energy Information Administration.