Venezuela’s state-run oil firm, PDVSA, is increasingly delivering poor quality crude oil to major refiners in the United States, India and China, causing repeated complaints, canceled orders and demands for discounts, according to internal PDVSA documents and interviews with a dozen oil executives, workers, traders and inspectors. FILE PHOTO: The logo of the Venezuelan state oil company PDVSA is seen next to a mural depicting Venezuela’s late President Hugo Chavez at a gas station in Caracas, Venezuela March 2, 2017. REUTERS/Carlos Garcia Rawlins/File Photo The disputes involve cargoes soiled with high levels of water, salt or metals that can cause problems for refineries, according to the sources and internal PDVSA trade documents seen by Reuters. The quality issues stem from shortages of chemicals and equipment to properly treat and store the oil, resulting in shutdowns and slowdowns at PDVSA production facilities, along with hurried transporting to […]