Venezuela’s Oil Revival Is Slower Than the U.S. Hoped

More than half a year after the U.S. captured and extracted Nicolas Maduro from Venezuela, the biggest American oil firms haven’t returned to operating oilfields in the world’s largest oil reserves holder. Chevron, which has operated in Venezuela throughout Maduro’s reign, is extracting and exporting oil to the U.S., but neither ExxonMobil nor ConocoPhillips...