Guyana: The Fastest-Growing Producer You're Not Watching

When ExxonMobil's consortium discovered the Liza field offshore Guyana in 2015, the country had no oil industry and a population of under 800,000. By early 2026, Stabroek Block output has crossed 650,000 barrels per day and is on track for 1.2 million by the end of the decade — all from a country that was a net oil importer a decade ago.

What makes Stabroek unusual

Three things. First, the geology: the discoveries are in prolific, stacked turbidite reservoirs with very high per-well productivity. Break-even costs have come in at $25–35/bbl — structurally below most US shale. Second, the development model: an FPSO-based sequence (Liza 1, Liza 2, Payara, Yellowtail, and onwards) that allows the consortium to add roughly 250,000 bpd of capacity every 18–24 months. Third, the contract: the 2016 production-sharing agreement, widely criticised domestically, guarantees the consortium an unusually fast cost-recovery timeline.

What it means for Americas supply

Guyana is light, sweet, and low-sulfur — a direct substitute for US LTO and West African grades. It lifts primarily to European and US Gulf Coast refiners via STS transfer. At 1 mbd, Guyana would displace a material share of both Nigerian Bonny Light and US Midland barrels on the Atlantic basin. The country is already the dominant swing source for supplementary Atlantic barrels when Middle East risk premiums rise.

What to watch

FPSO commissioning dates, the ongoing Venezuela–Guyana Essequibo dispute (a tail risk that markets have largely ignored), and the next round of exploration licences. Domestic politics around contract renegotiation is the key medium-term risk.