Oil rose on Thursday on concerns about a plunge in exports from Venezuela, although surging U.S. production kept gains in check. Brent crude futures LCOc1 were up 23 cents at $75.59 a barrel by 0900 GMT, while U.S. West Texas Intermediate (WTI) crude CLc1 was 14 cents higher at $64.87 a barrel. Venezuela, which faces the threat of U.S. sanctions and is in the midst of an economic crisis, is nearly a month behind delivering crude to customers from its main oil export terminals, according to shipping data, and chronic delays and production declines could breach state-run PDVSA’s supply contracts if backlogs are not cleared soon. Tankers waiting to load more than 24 million barrels of crude, almost as much as state producer PDVSA shipped in April, are sitting […]