Northern Leg Gas Pipeline
|This article is part of the Global Fossil Infrastructure Tracker, a project of Global Energy Monitor.|
Northern Leg Gas Pipeline (NLGP) is a gas pipeline system in the North Sea of the United Kingdom and Norway.
The Northern Leg Gas Pipeline is a gas pipeline system in the North Sea of the United Kingdom and Norway.
- Operator: ExxonMobil, Royal Dutch Shell
- Current capacity: 300 million cubic feet per day
- Length: 80 km / 49.7 mi
- Status: Operating
- Start Year: 1985
The 20-inch Northern Leg Gas Pipeline (NLGP) runs for 80 km from Magnus to Brent A with spurs to Thistle A, Murchison and Statfjord B. It originally served as the gas export route for these installations and delivered gas to Brent A for onward transmission to St Fergus via FLAGS. As some of these installation have become gas deficient it has served as their gas supply route. The pipeline has depressurisation facilities at Magnus. Gas from the NLGP is heated before flowing via manual pressure let-down valves to the HP and LP flare systems. Pre-heating the gas ensures that it remains within the temperature limits of the flare pipework after Joule-Thomson cooling across the let-down valves. Natural gas from the Norwegian Statfjord field is fed through the Tampen pipeline, linking Norwegian and UK gas trunkline networks.
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