Venezuela’s state-run oil company PDVSA is preparing to shut a Caribbean refinery that is running out of crude amid threats by ConocoPhillips to seize cargoes sent to resupply the facility, according to two sources with knowledge of the situation.  Conoco of the United States last week began legal actions in the Caribbean to enforce a $2 billion arbitration award by the International Chamber of Commerce (ICC) over the 2007 nationalization of its projects in Venezuela. The moves have disrupted fuel deliveries throughout the Caribbean, much of which depends on PDVSA. The PDVSA-operated 335,000 barrel-per-day Isla refinery in Curacao, which has not received new shipments from PDVSA since last week, plans to exhaust existing inventories in the coming days, the two sources said. […]