Type:
NA
Facility:
Others
Water Depth:
0
Installed:
1977
meters
Block:
NA
Design:
Others
Sub Structure:
0
Topsides Wgt:
0
tonnes
tonnes
Intro
St. Fergus Gas Terminal is a major onshore gas processing hub near Peterhead in Aberdeenshire, Scotland. Commissioned in the late 1970s to receive gas from the Frigg UK pipeline, it has expanded to accept wet gas from multiple North Sea pipelines including FLAGS, Fulmar, FUKA and Vesterled, conditioning it for entry into the UK National Transmission System.
Field
The terminal services gas from around 20 offshore fields in the UK and Norwegian sectors — historically including Frigg, Alwyn, Bruce, Miller and newer central North Sea sources. It processes raw gas into pipeline-quality methane and extracts NGLs for onward transport to petrochemical facilities, forming a critical component of the UK gas supply network.
Facilities
St. Fergus comprises multiple processing trains for inlet scrubbers, dehydration units, turbo-expanders and cryogenic de-ethaniser trains to remove liquids and recover NGLs (ethane, propane, butane). Sales gas is dehydrated and treated before being fed into the UK National Transmission System; recovered liquids are piped to adjacent fractionation and export facilities at Mossmorran or to other distribution points. The terminal handles pressure management, slug catching, gas quality control and metering; utilities include large-scale compressors, heat exchangers, flare systems, and advanced control and safety instrumentation. Its network of pipeline landfalls links to the Flags, Fulmar, FUKA and Vesterled systems, enabling robust and flexible reception of North Sea gas supplies.
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