What northern European country that has benefited the most from North Sea Oil?

Norway is a northern European country that has benefited the most from North Sea oil. The country has a long history of oil and gas exploration and production, and the discovery of oil in the North Sea in the 1960s transformed Norway's economy. The country is now one of the world's largest oil and gas exporters, and the revenues from these resources have helped to fund Norway's generous welfare state and high standard of living.