Asgard Oil And Gas Field

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Summary Information

  • Operator: Statoil
  • Country: Norway
  • Location: 200 kilometers offshore in Norway's Haltenbanken
  • Production start: 1999
  • Partners: Eni Norge AS 14.82 %, ExxonMobil - 7.24 %, Petoro - 35.69 %, Statoil - 34.57 %, Total - 7.68 %
  • Type: Oil & Gas
  • Estimated Reserves:
  • Production Volume:

Description

  • The field produces Asgard Crude Oil a light sweet crude as well as Gas and Condensate
  • Oil is produced from Åsgard A FPSO (floating production, storage and offloading) vessel one of the largest of its kind in the world. Äsgard A has a production capacity of 200,000 barrels per day (b/d) and a storage capacity of 910,000 barrels
  • Natural gas and condensate is produced from the Äsgard B platform, with a natural gas processing capacity of 13 billion cubic meters/year and a condensate capacity of 100,000 b/d
  • Åsgard C is a ship that is used to store gas condensate
  • Oil and condensate are temporarily stored at the field and shipped to land by tankers. The gas is exported through Åsgard Transport to Karsto Gas Processing Plant. The condensate from Åsgard is sold as oil (Halten Blend).

Projects

  • The Åsgard subsea compression project will be realised in 2015, as the first of its kind in the world. Compressors will be installed on the seabed, instead of on a platform. This will improve recovery from the Mikkel and Midgard reservoirs by around 280 million barrels of oil equivalents.
  • Smorbukk South Extension Project holds estimated recoverable reserves of 16.5 million barrels of oil equivalent, and will be developed with a new subsea template connected to existing infrastructure

Contractors

  • DSME: Åsgard B Semi-sub Hull
  • AESA Sestao: Åsgard C Semi-sub Hull
  • Aker Solutions:
    • Åsgard B Hydrate Inhibition Module
    • Asgard Satelites - Umbilicals
  • Coflexip Stena Offshore: Flowlines, risers
  • Stolt Comex Seaway: Subsea installation
  • Jotun: Painting
  • ABB: Drives and transformers for the subsea power distribution system

Åsgard subsea compression

  • Aker Solutions: Construction of the Åsgard subsea compression template
  • Saipem: Asgard B - semisubmersible platform topsides EPC
  • FMC: Subsea gas compression control systems
  • JDR Cable Systems: Supply the package comprising 10 umbilicals, 10 reelers, 12 baskets and 20 sheaves
  • Technip: Fabrication, installation and tie-in of pipeline spools including protection covers, & installation of power cables and umbilicals.
  • Nexans: Design, manufacture and supply a total of 165 km of static and dynamic power umbilical and power cables, as well as accessories
  • Emtunga:
    • Åsgard ´B´ - Living quarters module & helideck
    • Åsgard ’B’ - Paint store and workshop

Smorbukk South Extension Project

  • FMC: Supply of subsea trees, wellheads, a manifold, control systems and other associated equipment

History

  • 1999 - Production start up
  • 2007 - FMC Technologies awarded contract for Subsea Gas Compression Control Systems
  • 2010 - Statoil awarded Aker Solutions the NOK 3.4 billion contract to develop the world's first full scale subsea compression system
  • 2012 - The first hot tap installation carried out in connection with preparations for Åsgard subsea gas compression
  • 2013 - Investment decision for Smørbukk South Extension
  • 2014 - Compression module delivery started
  • 2015 - Installation of Compression modules started
  • 2015 - Smørbukk South Extension completed

Geology

  • The Smørbukk deposit is a rotated fault block, bordered by faults in the west and north and structurally deeper areas to the south and east. The reservoir formations Garn, Ile, Tofte, Tilje and Åre are of Jurassic age and contain gas, condensate and oil.
  • The Smørbukk Sør deposit, with reservoir rocks in the Garn, Ile and Tilje Formations contains oil, gas and condensate. The Midgard gas deposits are divided into four structural segments with the main reservoir in the Garn and Ile Formations.
  • The sandstone reservoirs lie at depths of as much as 4 850 metres. The reservoir quality varies between the formations, and there are large differences in porosity and permeability between the three deposits.

Links

  1. Jotun FPSO References
  2. Aker Solutions Hydrate Inhibition References
  3. Saipem Fixed Offshore Production Facilities Project References
  4. Aker Solutions Umbilical References
  5. Emtunga Offshore Platform References
  6. Asgard, NPD
  7. Information on specific UK and North Sea FPSO and FSU Installations
  8. Production Start-up at Norway's Äsgard Field
  9. JDR Completes Delivery of 10 Workover Umbilical Systems for Statoil’s Aasgard Field
  10. FMC Technologies to Supply Subsea Gas Compression Control Systems for StatoilHydro's Asgard Minimum Flow Project
  11. Nexans awarded 75 million euro contract to supply power cables, umbilicals and accessories for Statoil's Åsgard oil and gas field in Norwegian Sea
  12. ABB to power subsea oil and gas field in the depths of the Norwegian Sea
  13. Aker Solutions wins Åsgard modification contract
  14. Technip awarded marine operations contract for the Åsgard Subsea Compression project in Norway
  15. Remote-controlled world record at Åsgard
  16. Investment decision for Smørbukk South Extension
  17. FMC Technologies Receives $96 Million Subsea Equipment Order for Statoil's Smorbukk South Extension Project
  18. Aker Solutions delivers Åsgard template to Statoil
  19. Technip awarded contract for intervention services on Asgard Subsea Compression Stations
  20. Åsgard gas field compression station to be powered by Nexans umbilicals
  21. Aker Solutions Set to Deliver Modules for World's First Subsea Compression System
  22. Åsgard subsea gas compression lowered into place
  23. Smørbukk South Extension in operation – producing from «tight» reservoir

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