The corporate logo of the state oil company PDVSA is seen in a gas station in Caracas, Venezuela March 23, 2017. REUTERS/Carlos Garcia Rawlins/Files Acquire Licensing Rights HOUSTON/CARACAS (Reuters) - Venezuela is negotiating financial help from Russian oil major Rosneft to complete nearly $3 billion in PDVSA debt payments coming due to bondholders next month, two market sources and a government