The Guardian | Oil Bulls Gather As Concern Grows About A Price Spike Forbes The oil bulls are gathering, but whether more in hope than convincing evidence of a sustainable rise in the oil price is uncertain. Ben van Beurden, chief executive of Royal Dutch Shell, Europe's biggest oil and gas producer, became the latest and most ... Shell boss sees signs of oil price recovery but warns of 'spike' Royal Dutch Shell warns of risk of oil price spike Oil surges 5pc on Shell CEO's optimistic outlook |