Heidrun oil field

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Heidrun oil field
Location of Heidrun oil field
Country Norway
Region Norwegian Sea
Location Haltenbanken
Blocks 6507/8, 6707/7
Offshore/onshore offshore
Coordinates 65°19′33″N 7°19′3″E / 65.32583°N 7.31750°E / 65.32583; 7.31750Coordinates: 65°19′33″N 7°19′3″E / 65.32583°N 7.31750°E / 65.32583; 7.31750
Operator Statoil
Field history
Discovery 1985
Production
Current production of oil 140,000 barrels per day (~7.0×10^6 t/a)
Current production of gas 3×10^6 m3/d (110×10^6 cu ft/d)
Recoverable gas 42.6×10^9 m3 (1.50×10^12 cu ft)
Producing formations Garn, Ile, Tilje and Åre Formations of Early and Middle Jurassic age
Oil from the Heidrun field.

The Heidrun oil field is an oil and gas field discovered in 1985 in the Norwegian sector of the Norwegian Sea, named after the goat Heiðrún from Norse mythology.

The field lies 175 kilometres (109 mi) West of Kristiansund. It has produced oil and gas since October 1995. In 2013, it produced 65,000 bbl of oil per day and 760 million cubic meters of natural.[1] The crude oil is characterized as being naphthenic with 25.0 API (0.9043 g/cm3), 0.52% sulfur, and a high TAN (Total Acid Number) of 2.90.

The Heidrun field is located on Haltenbanken in the Norwegian Sea at a depth of 350 metres (1,150 ft). The field has been developed with gas and water injection, using a floating concrete tension leg platform, installed over a subsea template with 58 well slots.[2] The northern part of the field is developed with subsea facilities.

Geology

The Cimmerian structure is a southwest-plunging horst block on the southwest flank of the Nordland ridge formed in the Late Jurassic-Early Cretaceous.[3] Production is from Jurassic Fangst Group sandstones with the Upper Jurassic Spekk Formation shales being the petroleum source and Cretaceous shales forming the seal.[4]

References

  1. ↑ Offshore Technology
  2. ↑ Whitley, P.K., The Geology of Heidrun, 1992, in Giant Oil and Gas Fields of the Decade, 1978-1988, AAPG Memoir 54, Halbouty, M.T., editor, Tulsa: American Association of Petroleum Geologists, ISBN 0891813330, pp. 383-406
  3. ↑ Whitley, P.K., The Geology of Heidrun, 1992, in Giant Oil and Gas Fields of the Decade, 1978-1988, AAPG Memoir 54, Halbouty, M.T., editor, Tulsa: American Association of Petroleum Geologists, ISBN 0891813330, pp. 383-406
  4. ↑ Whitley, P.K., The Geology of Heidrun, 1992, in Giant Oil and Gas Fields of the Decade, 1978-1988, AAPG Memoir 54, Halbouty, M.T., editor, Tulsa: American Association of Petroleum Geologists, ISBN 0891813330, pp. 383-406

External links

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