The duo dispute the U.S. giant’s takeover of Hess that would give it access to a South American offshore oil and gas field, of which Exxon and Beijing-based CNOOC own 45% and 25%, respectively

America’s biggest oil gushers are shrinking, evidence that companies have drilled through much of their best wells

Issues such as the transition to clean energy and tensions between Beijing and Washington have made once active Chinese SOEs wary of buying assets abroad

Until now, gas has appeared to escape any impact of the worsening crisis, which has so far affected trade in coal, wine, barley and other commodities

$970 million acquisition by Swiss mining giant includes refinery, gas stations

Government approval is final hurdle for military-affiliated oil producer’s $2 billion purchase