Gullfaks Oil Field

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Summary Information

  • Operator: Statoil
  • Country: Norway
  • Location: North Sea
  • Production start: 1986
  • Partners: Statoil 51%, Petoro 30%, OMV - 19%
  • Type: Oil
  • Estimated Reserves:
  • Production Volume:

Description

  • The main Gullfaks field lies in block 34/10 in the northern part of the Norwegian North Sea. It has been developed with three large concrete production platforms.
  • All three oil fields are tied back to the Gullfaks A platform, where produced gas is reinjected.
  • The Gullfaks Satellite field development consists of the Gullfaks South, Rimfaks and Gullveig fields
  • The Gullfaks Rimfaks valley development will consist of a standard subsea template with two simple gas production wells, and possibilities of connecting two more wells. The well stream will be connected to the existing pipeline to the Gullfaks A platform

Contractors

  • **Saipem:** Gullfaks A - drilling facilities change-out
  • **Kvaerner:**
* Gullfaks A - 3 Modules M11/M12/M24
* Gullfaks B - 1 Module: M12
* Gullfaks C - 2 Modules: M11/M12 & Module Supp. Frame
  • **Jotun:** Painting Gullfaks B - Jacket, Deck, Heli-deck, Topside
  • **Aibel:**
* Modifications on the Gullfaks C platform in order to connect the Pan/Pandora satellite field to the processing facilities plus installing two winches for pull-in of risers
* Replacing and installing new drilling equipment and systems on Gullfaks B
  • **Emtunga:**
* Gullfaks B - New office and recreation room modules & new meeting rooms
* Gullfaks A - Workshop, storage & office modules
  • Gullfaks South field development:
* **Technip** 
 * Fabrication, installation and tie-ins of flowlines
 * Removal and replacement of the two oil-loading systems
* **Subsea 7** Engineering, installation and commissioning of a 15.5km integrated power service umbilical, a protection structure, a subsea compressor station, pipeline spools and tie-ins
* **Nexans:** Engineer and supply a 16.5km subsea power umbilical for the Gullfaks C platform's subsea compression and processing equipment

History

  • 1986 - The Gullfaks A platform began production
  • 1988 - The Gullfaks B platform began production
  • 1989 - The Gullfaks C platform began production
  • 1994 - Gullfaks C began receiving and processing oil from the [[[Tordis Oil Field]]]
  • 1994 - The field set a production record of 605,965 barrels for a single day on 7 October
  • 2008 - Aker Solutions wins contract for replacement of cement units on Gullfaks platforms
  • 2010 - Aibel awarded a contract for modifications on the Gullfaks C platform
  • 2012 - FMC Technologies Awarded $200 Million Subsea Equipment Contract for Statoil's Gullfaks South Field Development
  • 2012 - Technip was awarded by Statoil a contract for the fabrication, installation and tie-ins of flowlines for Gullfaks South field development
  • 2013 - OMV acquired 19% from Statoil
  • 2014 - Gullfaks Rimfaks valley development approved
  • 2015 - Subsea compressor installed on Gullfaks C
  • 2022 - Hywind Tampen wind farm begins supplying power to the platforms

+++ Geology

  • The Gullfaks reservoirs consist of Middle Jurassic sandstones of the Brent Group, and Lower Jurassic and Upper Triassic sandstones of the Cook, Statfjord and Lunde Formations. The reservoirs lie 1 700 – 2 000 metres below sea level. The Gullfaks reservoirs are located in rotated fault blocks in the west and a structural horst in the east, with a highly faulted area in-between.
  • The drive mechanisms are water injection, gas injection and water/alternating gas injection (WAG). The drive mechanisms vary between drainage areas in the field, with water injection as the main strategy.

Links

  1. Emtunga Offshore Platform References
  2. Jotun Platform References
  3. Kvaerner Topsides References
  4. Saipem Fixed Offshore Production Facilities Project References
  5. Statoil,Gullfaks
  6. Gullfaks, NPD
  7. Aker Solutions wins contract for replacement of cement units on Gullfaks platforms
  8. FMC Technologies Awarded $200 Million Subsea Equipment Contract for Statoil's Gullfaks South Field Development
  9. FMC, Statoil Gullfaks
  10. New Gullfaks contract to Aibel
  11. New millions at Gullfaks
  12. Aibel awarded contract
  13. Nexans awarded 16 million Euro umbilical contract by Statoil
  14. Technip awarded substantial contract for the Gullfaks field in Norway
  15. Subsea 7 S.A. awarded contract offshore Norway
  16. Technip awarded subsea contract for the Gullfaks field in Norway
  17. Oil discovery above the Gullfaks field in the North Sea
  18. USD 2.65 bn transaction to capture value and focus the portfolio
  19. Development plan for Gullfaks Rimfaks valley submitted
  20. The first subsea wet gas compressor in the world at Gullfaks
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