Huldra Gas And Condensate Field

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Summary Information

• Operator: Statoil
• Country: Norway
• Location: blocks 30/2 and 30/3, North Sea
• Production start: 2001
• Partners:
• Type: Gas And Condensate
• Estimated Reserves: Original
  • 5.1 million Sm³ oil
  • 17.5 billion Sm³ gas
  • 0.1 million tonnes NGL
• Production Volume: 2013E
  • Oil: 950 barrels/day
  • Gas: 0.36 billion Sm³

Description

• Huldra lies in blocks 30/2 and 30/3, about 16 kilometres from Veslefrikk Oil And Gas Field
• Huldra has been developed with a wellhead platform which ranks as the first Statoil offshore installation designed for normally unstaffed operation. This facility is being run from Veslefrikk B.
• Gas from Huldra is piped in a dedicated 140-kilometre line to the Heimdal Gas Field for processing and onward transmission by pipeline to continental Europe. Condensate is piped to Veslefrikk for processing.

Contractors

• Aker Verdal: Construction of the platform jacket
• Saipem:
  • Phase 1 - platform jacket installation
  • Phase 2 - platform topsides installation
• Mærsk: Drilling of production wells using the Mærsk Gallant rig
• Constructed at Kværner's Rosenberg yard in Stavanger, the Huldra topside was shipped out and installed on the jacket in the spring of 2001.

History

• 1982 - Statoil proved the field
• 1999 - Development work began
• 2001 - The gas and condensate field was brought on stream
• 2011 - A fire occurred in an air compressor compartment
• 2014 - The field is closed down

Geology

• The reservoir is in Middle Jurassic sandstones of the Brent Group in a rotated fault block. The reservoir initially had high pressure and high temperature and lies at a depth of 3 500 – 3 900 metres. There are many small faults in the field, and reservoir communication is uncertain, but the production history indicates two main segments without pressure communication.

Links

1. Saipem Fixed Offshore Production Facilities Project References
2. Kvaerner Platform References
3. NPD, Huldra
4. Huldra, Statoil
5. Fire on Huldra extinguished
6. Shutting down production on Huldra

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