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

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

by Offshore Reporter | 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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Johan Castberg hub expands: Equinor invests in 46 MMbbl Isflak development

Latest News

Guyana updates 2026 framework to deepen offshore oil and gas participation

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Voters back North Sea oil and gas as UK policy tightens

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