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| Kollsnes | |
|---|---|
| Name | Kollsnes |
| Location | Øygarden, Vestland, Norway |
| Coordinates | 60°27′N 5°08′E |
| Operator | Equinor |
| Start date | 1995 |
| Capacity | ~20–25 billion m³/year (nominal) |
| Pipelines | Statpipe, Kvitebjørn, Sleipner |
| Products | Natural gas, condensate |
Kollsnes is a large natural gas processing plant located on the island of Bildøy in Øygarden municipality, Vestland county, Norway. It functions as a central receiving, conditioning, and export facility for gas from several North Sea and Norwegian Sea fields, and it connects to major export infrastructures and trading hubs. The plant plays a strategic role in Norwegian hydrocarbon export through interfaces with national and international pipelines and energy companies.
Kollsnes receives gas and condensate from offshore installations such as Troll, Kvitebjørn, Sleipner, Oseberg, and others, processing volumes for export via the Statpipe and interconnected systems to destinations including continental Europe and the United Kingdom. The facility integrates processing trains, metering systems, and compressor units to meet specifications for export into networks linked with Gassco, Gassled, and commercial stakeholders like Equinor, Shell plc, TotalEnergies, and ConocoPhillips. Kollsnes’ position ties into regional hubs such as Sture terminal and international routes linked to the North Sea gas grid.
Planning and construction in the late 1980s and early 1990s followed discoveries of large offshore reserves including Troll and Frigg era developments. Commissioned in 1995, the plant assembled technology and partnerships from major energy firms and contractors including Aker Solutions, ABB, and Siemens. Over time, integrations with pipelines such as Statpipe and field tie-ins from Kvitebjørn and Sleipner expanded throughput. Periodic upgrades and modernization projects involved players like Worley, TechnipFMC, and McDermott International to adapt to changing market and regulatory environments influenced by actors including Norwegian Ministry of Petroleum and Energy and Norwegian Petroleum Directorate.
The plant comprises gas treatment trains, dehydration units, sulfur recovery systems, condensate stabilization, and high-pressure compressor stations to condition gas for export to networks maintained by Gassco and asset owners in Gassled. Operational coordination involves control centers, maintenance regimes, and emergency response frameworks with contractors such as National Oilwell Varco and service companies like Halliburton and Baker Hughes. Kollsnes also hosts metering and fiscal measurement facilities that interface with commercial workflows of StatoilHydro (historical), Equinor, TotalEnergies, and trading desks in hubs like the Title Transfer Facility and National Balancing Point.
Kollsnes includes multiple compressor trains capable of handling design export volumes on the order of 20–25 billion cubic meters per year, utilizing gas turbine drivers and electric motors supplied by vendors including Siemens and GE Aerospace. Pipeline connections run to facilities such as Statpipe, Sleipner field, and export routes toward continental systems linked with Emden and UK networks, with metering provided by instrumentation makers like Emerson Electric. Process equipment incorporates amine units for CO2 removal, glycol dehydration supplied by engineering firms such as KBR, and sulfur recovery tailored to meet specifications set by regulatory frameworks from the Norwegian Environment Agency and industry standards like those of DNV GL.
Environmental management at the plant aligns with Norwegian regulatory frameworks including the Petroleum Safety Authority Norway oversight and requirements from the Norwegian Environment Agency. Emission reduction measures, flaring minimization, leak detection and repair (LDAR) programs, and wastewater handling are implemented with suppliers and consultants such as DNV GL, Ramboll, and SGS. Safety systems include fire and gas detection, emergency shutdown (ESD) systems, and coordinated response with local authorities in Øygarden municipality and regional emergency services, alongside industry best practices drawn from ISO standards and recommendations from International Association of Oil & Gas Producers.
Kollsnes has been a major employer and industrial anchor in the Øygarden and Bergen region, influencing local suppliers, shipping services, and port activity tied to companies like Bergen Group and Kleven Verft. The facility contributes to Norwegian export revenues alongside major fields such as Troll and has downstream linkages with terminals such as Sture terminal. Fiscal frameworks set by the Norwegian Tax Administration and energy policy from the Norwegian Ministry of Petroleum and Energy shape revenue flows to the Norwegian state and regional investments. Economic interactions extend to European gas markets, energy traders, and utilities across Germany, the Netherlands, and the UK including counterparts like E.ON, RWE, and Shell plc.
Ownership and operational responsibilities have involved consortium arrangements where infrastructure is part of the Gassled partnership, with technical operation handled by Gassco and commercial interests held by companies including Equinor, Petoro, Shell plc, and other licensees. Day-to-day plant operations and contracting leverage industrial service providers such as Aker Solutions, TechnipFMC, Worley, and equipment vendors like Siemens and GE Aerospace, while regulatory compliance is overseen by the Petroleum Safety Authority Norway and the Norwegian Environment Agency.
Category:Natural gas plants in Norway