Ravn is a marginal oil field in the Danish sector of the North Sea. It started operating in 2017, with oil exported to an installation in the German sector of the North Sea. Operations were suspended in 2020, and decommissioning is currently being planned.

Ravn oil field
CountryDenmark
RegionNorth Sea
Location/block5504
Offshore/onshoreOffshore
Coordinates55°52'55"N 4°00'11"E
OperatorsWintershall Noodzee
OwnerWintershall Noordzee (63.6%), Nordsofonden (36.4%).
Field history
Discovery1986
Start of production2017
Abandonment2020
Production
Recoverable oil9.08 million barrels (~1.24×10^6 t)
Recoverable gas0.012×10^9 m3 (0.42×10^9 cu ft)
Producing formationsSandstone

The field

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The characteristics of the Ravn field reservoir are as follows.[1]

Field Ravn
Reservoir Heno sandstone
Geological age Upper Jurassic
Offshore Block 5504
Reservoir depth 4,200 m
Field delineation 333 km2
Reserves 9.08 million barrels of oil equivalent
Discovered 1986

Owner and operator

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Wintershall Noordzee (63.6%), Nordsofonden (36.4%). Wintershall Noodzee (operator).[1][2]

Infrastructure

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The field was developed through a single offshore installation platform.[2][1]

Ravn installation
Name Ravn
Coordinates 55.881867°N 4.002991°E
Production start 2017
Water depth 48
Installation 4-legged jacket
Access Helicopter, normally unmanned
Function Wellheads
Number of wells 2
Substructure weight tonnes 1,132
Topsides weight tonnes 637
Export 18 km 8-inch multi-phase pipeline to platform A6-A in German sector
Import 18 km 3-inch lift gas from A6-A

Production

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The oil and gas production profile of the Ravn field is as shown in the table.

Ravn annual oil production (1000 m3) and gas production (million Normal m3) 2017-2022[3]

Year 2017 2018 2019 2020 2021 2022 Total
Oil 32 89 88 16 0 0 225
Gas 2 5 6 0 0 0 12

Decommissionimg

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Operations were suspended in 2020, and decommissioning is currently (2023) being planned.[4]

See also

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Gorm Field

Tyra field

Dan oil field

Halfdan field

Siri, Nini and Cecilie oil fields

Valdemar oil and gas field

Skjold oil field

South Arne oil and gas field

Harald gas field

References

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  1. ^ a b c "Ravn Field, North Sea". Retrieved 26 November 2023.
  2. ^ a b "OSPAR". Retrieved 26 November 2023.
  3. ^ "Danish Energy Agency. "Monthly and yearly production"". 15 August 2016. Retrieved 26 November 2023.
  4. ^ "Ravn Decommissioning" (PDF).