LONDON/HOUSTON (Reuters) – OPEC will hold a dinner on Monday in Houston with U.S. shale firms, two industry sources said, the latest sign of the producer group widening talks about how best to tame a global oil glut. OPEC Secretary General Mohammad Barkindo plus other OPEC officials will attend the dinner, one of the sources said. A second source said the chief executives of U.S. shale companies of various sizes have been invited. The meeting will be on the first day of the CERAWeek energy conference in Houston. A year ago, the Organization of the Petroleum Exporting Countries held unprecedented talks with fund executives and shale producers on the sidelines of the same event. “Shale has dramatically changed the world’s perception of fossil fuels,” said the chief executive of one shale company, declining to be identified by name. “We now have a seat at the table on pricing.” OPEC […]