You still have all the people and companies working in the industry paying taxes. And some of the oil revenue still ends up in the government budget directly:

You still have all the people and companies working in the industry paying taxes. And some of the oil revenue still ends up in the government budget directly: https://www.statista.com/statistics/744826/budget-revenue-of-the-central-government-in-norway-by-main-entry/ https://www.statista.com/statistics/744826/budget-revenue-of...