David Hecker | Getty Images Pumpjacks pump petroleum from the ground on September 23, 2014 near Ruehlermoor, Germany. Oil prices rose on Thursday, after data showed inventory declines in the United States and as investors began to expect that the global oil market could have a deficit sooner than they had previously thought. OPEC’s output agreement with Russia and Canada’s decision to mandate production cuts could create an oil market supply deficit by the second quarter of next year, if the top producers stick to their deal, the International Energy Agency said in its monthly Oil Market Report. U.S. crude inventories at Cushing, Oklahoma, the delivery point for U.S. crude futures, fell by nearly 822,000 barrels in the week through Dec. 11, traders said, citing data from market intelligence firm Genscape. Stockpiles fell by 1.2 million barrels in the week to Dec. 7, disappointing some investors who had expected a decrease of 3 million barrels. The data showed stockpiles jumping by 1.1 million barrels in Cushing during that week. Benchmark Brent crude oil was up 63 cents, or 1.1 percent, at $60.78 per barrel by 12:40 p.m. ET. U.S. West Texas Intermediate light crude rose 74 cents, or 1.5 […]