Field DevelopmentDespite Guyana tiff, ExxonMobil leader says it’s not challenging Chevron-Hess mergerExxonMobil chief executive Darren Woods says company not eyeing Hess acquisitionExxonMobil chief executive Darren Woods.Photo: ANDREW MANGUM/UPSTREAMRobert StewartNorth America Energy CorrespondentHouston