The uncertain pace of supply recovery in the Middle East and the continued rapid drawdowns of global inventories make the case that oil price volatility would drag on during the 60-day U.S.-Iran negotiation window, David Fyfe, Chief Economist at Argus Media, told CNBC on Thursday. As the U.S. and Iran formally signed an agreement to reopen the Strait of Hormuz, oil prices continued their slide this week and Brent Crude was as trading at around $77 per barrel in Asian trade on Thursday, as the market hopes for a quick recovery of the lost oil supply.…