Oil ends down for third week as U.S. rig count rises

By Barani Krishnan NEW YORK (Reuters) - Oil prices fell about half a percent on Friday after the U.S. oil rig count unexpectedly rose for the first time in five weeks, pressuring a market already at seven-year lows. Global oil benchmark Brent and U.S. crude's West Texas Intermediate (WTI) futures settled down for a third straight week. Despite the severity of the decline, data from oil services company Baker Hughes Inc showed U.S. energy firms added to the number of oil rigs in operation this we