Citgo Petroleum, the U.S. refining unit of troubled Venezuelan state oil firm PDVSA, said that the United States had revoked the U.S. visa of Citgo’s chief executive Asdrubal Chavez, in the latest blow to Venezuela’s troubled oil sector. Asdrubal Chavez, cousin of late Venezuelan president Hugo Chavez, was appointed chief executive officer at Citgo by the incumbent Venezuelan President Nicolas Maduro in 2017. The U.S. State Department has broad authority to revoke visas, but doesn’t discuss individual visa cases because they are confidential, spokesman Noel Clay told Reuters. Citgo didn’t explain why its CEO’s visa had been revoked, but a spokeswoman for the Houston-based unit of the Venezuelan company PDVSA said in a statement to Reuters that the “day-to-day operations of CITGO remain uninterrupted and senior leadership remains unchanged.” According to Houston Chronicle , the U.S. State Department has ordered Asdrubal Chavez to surrender his U.S. visa amid an […]