Inside a drab six-storey office block in a residential street in Guyana’s capital Georgetown, a team of ExxonMobil executives are working out how to expand one of the largest offshore oil developments in history.
The US energy giant and its partners, Hess and Chinese group Cnooc, have already discovered about 11bn barrels of oil in the Stabroek Block, a vast oil reservoir about 120 miles off the coast of the South American country.
More than $55bn of investment has been sanctioned to extract just under half of those reserves, but after making more discoveries, the consortium is scaling up production.
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