ExxonMobil Plans $12.5 Billion Investment in Guyana’s Longtail Project
ExxonMobil (XOM) announced a $12.5 billion investment in Guyana's Longtail project, targeting gas and condensate. The project, expected to start in 2030, will use a floating vessel to process 1.2B cubic feet of gas daily and produce up to 250K barrels of condensate daily. ExxonMobil holds a 45% stake in the Stabroek block, with Hess and CNOOC holding 30% and 25% respectively.
How this was made
The 30-second read
Why it matters
The $12.5 billion FID represents a significant capital allocation that will likely be reflected in future cash‑flow models and may influence analyst forecasts.
Market read
The announcement is a primary disclosure of a multi‑billion‑dollar investment, likely to be priced into ExxonMobil's valuation and to affect the offshore gas sector.
What to watch
Potential delays in onshore gas pipeline development could limit near‑term monetization of the new production.
Background
ExxonMobil's Longtail project is the eighth development on the Stabroek block, targeting non‑associated gas and condensate with a 1.2 bcf/d processing capacity.
Ticker impact
ExxonMobil announced a final investment decision and a $12.5 billion spend for the Longtail offshore project in Guyana.
potential upside as the market prices in higher future cash flow from gas assets
A multi‑billion‑dollar capital commitment is material and signals confidence in long‑term demand, which traders typically view favorably for the stock.
Market effects
Boosts outlook for the offshore gas sector and may lift peers with similar exposure.
Strengthens investor sentiment toward Guyana's energy projects and could attract further capital to the region.
Adds to global gas supply expectations, modestly influencing broader energy market dynamics.
Counterpoint
If gas demand weakens or project costs overrun, the large spend could pressure earnings.
Key entities
- CompanyExxonMobil
U.S. integrated oil and gas major executing the Longtail project.
- PartnerHess Guyana Exploration Ltd.
Holds a 30% stake in the Stabroek block.
- PartnerCNOOC Petroleum Guyana Limited
Holds a 25% stake in the Stabroek block.


