The energy supermajor’s success in offshore Guyana sees it forecasting that it will be pumping over 800,000 barrels of light (32° API gravity) sweet (0.58% sulfur content) crude oil per day by 2026. The swathe of oil discoveries made by ExxonMobil and its partners, Hess and CNOOC, in the offshore Stabroek Block, since 2015, recently saw the energy supermajor upgrade its resources estimate for the block from 9 billion to 10 billion barrels of oil equivalent. The tiny South American nation of Guyana has emerged as the hottest offshore drilling location on the continent over the last six years.