Between 1966 and 2013, Norwegian companies drilled 5,085 oil wells, mostly in the North Sea.Ole Mathismoen (5 August 2013) Aftenposten p. 5 Oil fields not yet in the production phase include: Wisting Central—calculated size in 2013 at 65–156 million barrels of oil and , (utvinnbar) of gas. and the Castberg Oil Field (Castberg-feltet)—calculated size at 540 million barrels of oil, and (utvinnbar) of gas. Both oil fields are located in the Barents Sea.
Between 1966 and 2013, Norweg.ian companies drilled 5,085 oil: wells, mostly in the North Sea.Ole Mathismoen (5 August 2013) Aftenposten p. 5 Oil fields not yet in the production phase include: Wisting Central—calculated size in 2013 at 65–156 million barrels of oil and , (utvinnbar) of gas. and the Castberg Oil Field (Castberg-feltet)—calculated size at 540 million barrels of oil, and (utvinnbar) of gas. Both oil fields are located in the Barents Sea.