Statfjord Oil And Gas Field

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Summary Information

• Operator: Statoil
• Country: Norway
• Location: North Sea
• Production start: 1979
• Partners: Centrica - 34.3%
• Type: Oil & Gas
• Estimated Reserves: Original
  • 570.4 million Sm³ oil
  • 77.4 billion Sm³ gas
  • 23.0 million tonnes NGL
  • 1.1 million Sm³ condensate
• Production Volume:

Description

• Statfjord is an oil field straddling the border between the Norwegian and British sectors in the Tampen area. The water depth in the area is 150 metres.
• The field has been developed with three fully integrated facilities: Statfjord A, Statfjord B and Statfjord C.
• The satellite fields Statfjord Øst, Statfjord Nord and Sygna have a separate inlet separator on Statfjord C. The PDO for Statfjord Late Life was approved in June 2005.
• Stabilised oil is stored in storage cells at each facility. Oil is loaded onto tankers from one of the two oil loading systems at the field.
• From 2007, gas is exported through Tampen Link, which is routed via the Far North Liquids And Associated Gas System (Flags) Pipeline to the United Kingdom
• Previously, gas was exported via the Statpipe Gas Pipeline to Norway

Contractors

• Brown & Root: Construction of Statfjord A Platform
• Kvaerner: 5 Preassemblies/Modules for Statfjord B
• Emtunga:
  • Statfjord A - Living quarters construction & extension
  • Statfjord B - Wireline, office, store & workshop modules
  • Statfjord C - Wireline module
• Aker Kvaerner / Vetco Aibel: Statfjord Late Life, Platforms A, B & C
• Seaway Heavy Lifting: T & I for Six templates and six topside lifts for Statfjord Satellite Project
• SBM Offshore: Statfjord 'C' – Single Point Mooring System

History

• 1979 - Statfjord A came on stream
• 1982 - Statfjord B came on stream
• 1985 - Statfjord C came on stream
• 2004 - Statoil has awarded Aker Kvaerner a contract for studies relating to its planned Statfjord late life project
• 2005 - The PDO for Statfjord Late Life was approved
• 2005 - Centrica acquires 4.84% from BP
• 2010 - Centrica acquires an extra 9.44% of the field from Shell
• 2012 - Centrica acquires an extra 15.17% of the field from ConocoPhillips

Geology

• The Statfjord reservoirs lie at a depth of 2 500 - 3 000 metres in a large fault block tilted towards the west, and in a number of smaller fault compartments along the east flank.
• The reservoirs are in Jurassic sandstones in the Brent Group and the Cook and Statfjord Formations. The Brent Group and Statfjord Formation have excellent reservoir quality.

Links

1. NPD
2. FoundOcean Europe Subsea References
3. Seaway Heavy Lifting Oil And Gas References
4. Emtunga Offshore Platform References
5. Kvaerner Topsides References
6. Aker Kvaerner studies for Statfjord
7. Centrica reaches agreement to double its interest in North Sea field
8. Centrica doubles equity interest in Statfjord field
9. Centrica to increase its stake in North Sea Statfjord field to 34 percent

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