> People talk about how socially progressive Scandinavia is but they have a shitload of petroleum resources and that money goes into social programs

Of all the Scandinavian countries, only Norway has any oil resources of significance.

The Scandinavian welfare model is primarily tax-funded.

My quick look at Swedish exports shows that the largest export is finished equipment at 14%, fuel exports at 7.1, 4.8% wood and paper, 3.6% iron and steel, of which I'm sure a lot of that equipment is made. 3.4% plastics, which is just oil in another form.

It looks like you're right and their oil exports are all import/export rather than domestic, but that's still a good bit of mineral wealth.