Remarkable US oil deal puzzles analysts – and angers many Venezuelans BBCEXCLUSIVE: US firm to take over some Venezuela oilfields previously run by Chinese, Russian firms, officials say ReutersUS energy secretary will travel to Venezuela to unveil oil arrangement Al JazeeraOil giant Chevron is expected to announce it will expand operations in Venezuela, US official says apnews.comWhy Venezuela probably won’t solve America’s emergency oil problem CNN