Guyana FPSO Errea Wittu Sails Toward 250,000 Bpd Target
Guyana
Key Facts
—Vessel Name and Meaning The FPSO is named Errea Wittu, which means ‘abundance’ in the Warrau language.
—Production Capacity The vessel is designed to produce approximately 250,000 barrels of oil per day, described by ExxonMobil Guyana as the largest unit in the country’s fleet.
—Technical Specifications It features a gas treatment capacity of 540 million cubic feet per day, water injection capacity of 350,000 barrels per day, and storage for 2 million barrels of crude.
—Project Sanction ExxonMobil and its co-venturers made the final investment decision for the Uaru project on April 27, 2023, targeting first oil in 2026.
—National Output Impact With existing production having reached 900,000 bpd in late 2025, the addition of Errea Wittu would lift installed capacity to roughly 1.15-1.2 million bpd, though the field ramps up gradually rather than reaching full rates immediately.
The Guyana FPSO Errea Wittu, ExxonMobil’s fifth and largest floating production, storage, and offloading vessel for the Stabroek Block, has departed from Singapore, setting a course for Guyanese waters where it is expected to begin producing oil in 2026. The vessel, whose name means ‘abundance,’ is the centerpiece of the Uaru project and is designed to add roughly 250,000 barrels per day of production capacity, a move that will transform the South American nation’s already booming energy output.
The Vessel: Engineering ‘Abundance’
The Errea Wittu is not just another ship; it is a sprawling industrial facility built to operate in the deep waters off Guyana’s coast. Constructed by MODEC, a global leader in floating production systems, the vessel is purpose-built for the Uaru field. Its name, ‘Errea Wittu,’ was chosen to reflect the prosperity the project is expected to bring, translating to ‘abundance’ in the local Warrau language.
The Uaru Project and the 250,000 Bpd Milestone
The Uaru project represents the fifth major development within the prolific Stabroek Block. ExxonMobil and its co-venturers, Hess Corporation and CNOOC, officially sanctioned the project with a final investment decision on April 27, 2023. From the outset, the consortium targeted a 2026 startup date, a timeline that the vessel’s departure now appears to be meeting.
Transforming Guyana’s National Output
The arrival of the Errea Wittu marks a pivotal moment for Guyana’s economy. On November 12, 2025, ExxonMobil announced that production across its existing three operating FPSOs had reached a combined milestone of 900,000 barrels of oil daily. This figure already placed Guyana among the world’s fastest-growing oil producers.
A Fleet of Giants in the Stabroek Block
To understand the significance of the Errea Wittu, it is essential to view it within the context of ExxonMobil’s broader Guyanese armada. The first vessel, Liza Destiny, began production in 2019, proving the viability of the basin. It was followed by Liza Unity, Payara, and Yellowtail, each progressively larger and more complex.
Economic Implications for Guyana
The sheer volume of oil flowing from vessels like the Errea Wittu is rewriting Guyana’s fiscal destiny. The country’s GDP has experienced explosive growth, and oil revenues are funding massive infrastructure projects, from new hospitals and schools to highways and a deep-water port. The production sharing agreement with the consortium ensures that the government receives a significant share of the profits, alongside royalties.
Frequently Asked Questions
What does the name 'Errea Wittu' mean?
The name ‘Errea Wittu’ translates to ‘abundance’ in the Warrau language, an indigenous language of Guyana. The name was chosen to reflect the significant oil resources the FPSO is designed to unlock.
How much oil will the Guyana FPSO Errea Wittu produce?
The Errea Wittu is designed with a production capacity of approximately 250,000 barrels of oil per day. It also has the capacity to treat 540 million cubic feet of gas per day and inject 350,000 barrels of water per day.
When will the Errea Wittu start producing oil?
ExxonMobil sanctioned the Uaru project in April 2023 with a target for first oil in 2026. The vessel is currently in transit or nearing deployment, consistent with that startup timeline.
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