Key Takeaways Equinor ASA (EQNR) , the Norwegian integrated energy company, announced that the Johan Castberg field in the Barents Sea has reached its peak output capacity of 220,000 barrels of oil per day. The field has reached this milestone just three months after it started production. EQNR mentioned that the Johan Castberg field, operating at its peak capacity, has increased the total amount of oil and gas delivery from the Barents Sea by 150%. Importance of the Barents Sea in Norway's Energy Security ...