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Triton FPSO

The Triton FPSO operates as a floating production, storage, and offloading vessel in the UK Central North Sea, commissioned in 2012. It processes both oil and associated gas from multiple fields including Guillemot West, Bittern, and others tied back via subsea infrastructure. The hull stores hydrocarbons and offloads crude to shuttle tankers, while gas is exported to onshore pipeline networks.

Operator: Dana

Status: Operational

Triton FPSO platform photo

Image Source: Dana. (All rights belong to the original owner.)

Production: Oil

Operations start: 2000

Water depth: 87 m

Country: UK

Block: 21/30

Type: FPSO

Field

The Guillemot West field is a conventional oil and gas reservoir located in Block 21/24/30 in the Central North Sea, developed through subsea wells tied back to the Triton FPSO. Reservoirs are Upper Jurassic sandstones typical of the region. The field forms part of a cluster of fields developed without fixed platforms, instead relying on subsea templates and flowlines.

Facilities

The Triton FPSO hull is equipped with full production processing trains: crude oil separation, gas compression and dehydration, produced water treatment, and water injection facilities for reservoir support. Subsea manifolds and flexible flowlines gather fluids from production wells in the Guillemot West, Bittern, and other associated fields. Crude oil is routed through two or more stages of three-phase separation, treated for water and solids, and stored in the FPSO hull tanks. Oil offloading is performed periodically by shuttle tankers. Associated gas is compressed, dehydrated, and exported through the Fulmar pipeline system to the St Fergus Gas Terminal onshore. Utilities include onboard power generation via gas turbines, fire and gas detection systems, and dynamic positioning/mooring via a turret mooring system. Produced water is treated to regulatory limits before overboard discharge, and injection pumps support reservoir pressure. Accommodation, control rooms, and safety systems support long-duration offshore operations.

Triton FPSO layout
Image Source: Dana. (All rights belong to the original owner.)

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