Ten oil tankers remain anchored Monday at ports throughout the Caribbean, awaiting payment from Venezuelan state oil company PDVSA to discharge 3.124 million barrels of refined products, according to sources. Two vessels holding a combined 1 million barrels of heavy virgin naphtha are sitting at the Jose facility, according to S&P Global Platts Anlytics cFlow and marine terminal operators, who spoke with Platts on the condition of anonymity. Another 1.5 million barrels of 91 RON and 95 RON gasoline blendstock is waiting at the ports of El Palito and Puerto La Cruz on five vessels, while three more ships are holding MTBE, naphtha and alkylate at Amuay, Aruba and Punta Cardon, respectively. All ships are waiting for payment by PDVSA, according to sources. PDVSA could not immediately be reached for comment.