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Johan Castberg hub expands: Equinor invests in 46 MMbbl Isflak development

by | Dec 11, 2025 | Offshore

Equinor and partners have approved a NOK 4 billion investment to develop the Isflak discovery—the first tieback to the Johan Castberg hub—adding 46 MMbbl and targeting first oil in 2028 as the Barents Sea project ramps up for long-term growth.

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