Frigg UK System

Frigg UK System
Location
Country	Norway, United Kingdom
From	Alwyn North Field
Passes through	North Sea
To	St. Fergus, Scotland
Runs alongside	Vesterled pipeline
General information
Type	natural gas
Operator	Px group
Construction started	1974
Commissioned	1977
Technical information
Length	362 km (225 mi)

The Frigg UK System is a natural gas transportation system from the North Sea gas fields to St. Fergus near Peterhead in Scotland. It transports natural gas from the Alwyn North, Dunbar, Ellon, Grant, Nuggets, Frigg, Bruce, Ross, Captain, Buzzard, Tartan, Piper, Chanter, Galley, Hamish, Highlander, Ivanhoe, MacCulloch, Petronella, Saltire, and Rob Roy, fields.[1]

History

Construction of the main pipeline, the Frigg UK pipeline, started in 1974 and was completed in 1977. It was built to transport natural gas from the Frigg gas field to the United Kingdom. Because of technical limitations, it was decided to build two parallel pipelines, one (the Frigg UK pipeline) by the United Kingdom and one by Norway (former Frigg Norwegian Pipeline, now Vesterled). Even in British waters, until 1998 both pipelines were in Norwegian jurisdiction.[2]

Technical description

The system comprises the Frigg UK pipeline, Alwyn pipeline, other connection lines, and processing facilities at the St Fergus Gas Terminal. The 110-kilometre (68 mi) long Alwyn pipeline with diameter of 24 inches (610 mm) connects Alwyn North Field with the Frigg Field's TP1 bypass spool. From the TP1 the 362-kilometre (225 mi) long original Frigg UK Pipeline with diameter of 32 inches (810 mm) runs to the St Fergus Gas Terminal, alongside of the Vesterled pipeline.[3] An 18-inch (460 mm) diameter pipeline connects Tartan and Piper fields with the Frigg UK Pipeline at the MCP-01 platform, 173 kilometres (107 mi) northeast of Aberdeen.[3] The Frigg UK System is operated by Total E&P UK Ltd.

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References

"St Fergus Gas Terminal" (PDF). Total S.A. Archived from the original (PDF) on 17 July 2011. Retrieved 19 December 2009.
"The Frigg Transportation System" (PDF). University of Aberdeen. Retrieved 19 December 2009. Cite journal requires |journal= (help)
"Technical description". Total S.A. Archived from the original on 24 October 2009. Retrieved 19 December 2009.

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[fergus-1] "St Fergus Gas Terminal" (PDF). Total S.A. Archived from the original (PDF) on 17 July 2011. Retrieved 19 December 2009.

[aberdeen-2] "The Frigg Transportation System" (PDF). University of Aberdeen. Retrieved 19 December 2009. Cite journal requires |journal= (help)

[total-3] "Technical description". Total S.A. Archived from the original on 24 October 2009. Retrieved 19 December 2009.