Ravn oil field
| Ravn oil field | |
|---|---|
| Country | Denmark |
| Region | North Sea |
| Location/block | 5504 |
| Offshore/onshore | Offshore |
| Coordinates | 55°52'55"N 4°00'11"E |
| Operators | Wintershall Noodzee |
| Owner | Wintershall Noordzee (63.6%), Nordsofonden (36.4%). |
| Field history | |
| Discovery | 1986 |
| Start of production | 2017 |
| Abandonment | 2020 |
| Production | |
| Recoverable oil | 9.08 million barrels (~1.24×106 t) |
| Recoverable gas | 0.012×109 m3 (0.42×109 cu ft) |
| Producing formations | Sandstone |
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.
The field
[edit]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
[edit]Wintershall Noordzee (63.6%), Nordsofonden (36.4%). Wintershall Noodzee (operator).[1][2]
Infrastructure
[edit]The field was developed through a single offshore installation platform.[2][1]
| 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
[edit]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
[edit]Operations were suspended in 2020, and decommissioning is currently (2023) being planned.[4]
See also
[edit]Siri, Nini and Cecilie oil fields
References
[edit]- ^ a b c "Ravn Field, North Sea". Retrieved 26 November 2023.
- ^ a b "OSPAR". Retrieved 26 November 2023.
- ^ "Danish Energy Agency. "Monthly and yearly production"". 15 August 2016. Retrieved 26 November 2023.
- ^ "Ravn Decommissioning" (PDF).