Heidrun Oil Field

Summary Information

• Operator: Statoil
• Country: Norway
• Location:
• Production start: 1995
• Partners: Conoco - 24.31 %, Eni - 5.12 %, Petoro - 58.16 %, Statoil - 12.41 %
• Type: Oil / Gas
• Estimated Reserves:
  • Original
    • 177.1 million Sm³ oil
    • 44.0 billion Sm³ gas
    • 2.0 million tonnes NGL
  • Remaining as of 31.12.2011
    • 38.3 million Sm³ oil
    • 29.4 billion Sm³ gas
    • 1.5 million tonnes NGL
• Production Volume:

+++ Description

• The Heidrun field is located on Haltenbanken in the Norwegian Sea. The water depth in the area is 350 metres. The field has been developed with a floating concrete tension leg platform, installed over a subsea template with 56 well slots.
• The northern part of the field is developed with subsea facilities.
• The PDO for the Heidrun north flank was approved on 12.05.2000.
• Oil from the field is primarily shipped by shuttle tanker to Statoil's Mongstad crude oil terminal near Bergen for onward transport to customers.
• Gas from Heidrun is piped to Tjeldbergodden in mid-Norway via the Haltenpipe Gas Pipeline and provides the feedstock for the Statoil's methanol plant there.
• From 2001, the field has also been tied to Åsgard Transport.
• Heidrun gas is piped through this trunkline to Kårstø north of Stavanger and on to Dornum in Germany – a total distance of roughly 1400 kilometres.
• The Dvalin Gas Field is being developed as a subsea tieback to the Heidrun platform

+++ Contractors

• **Samsung:** Engineering, procurement and construction (EPC) services of a permanent floating storage unit (FSU)
• **Kvaerner:** Wellbay Module M20
• **Vetco Aibel:** Jacket, Deck, Heli-deck, Topside, Subsea
• **Emtunga:** Control room module
• **Aker Solutions:**

* System engineering of LSW package
* Supply, refurbish and store compensation equipment used to stabilise and control the production risers

• **EMAS AMC:** Transport and floater installation contract
• **Seaway Heavy Lifting:** Installation of Four weather decks on top of the Heidrun substructure
• **Wärtsilä:** Inert gas systems, deepwell pumps and fire water packages for the FSU

+++ History

• 1985 - Heidrun Oil Field discovered
• 1995 - First production
• 2000 - The PDO for the Heidrun north flank was approved
• 2012 - Statoil ordered a new permanent floating storage unit (FSU) for the field
• 2013 - Aker Solutions wins equipment frame agreement for Heidrun platform

+++ Geology

• The reservoir consists of sandstones of the Garn, Ile, Tilje and Åre Formations of Early and Middle Jurassic age. The reservoir is heavily faulted. The Garn and Ile Formations have good reservoir quality, while the Tilje and Åre Formations are more complex. The reservoir depth is about 2 300 metres.

+++ Links

1. Heidrun, NPD
2. Heidrun, Statoil
3. Aker Solutions Oil And Gas Processing References]
4. Aker Solutions Increased Oil Recovery (IOR) References]
5. Seaway Heavy Lifting Oil And Gas References]
6. Jotun Platform References
7. Kvaerner Topsides References
8. Waertsilae FPSO References
9. Emtunga Europe Offshore Platform References
10. New permanent storage unit for Heidrun
11. Aker Solutions wins equipment frame agreement for Heidrun platform
12. Ezra’s Subsea Services division awarded  US$126 million floater installation contract  from Statoil