Pretty sure that you are thinking of Norway. Sweden doesn't do oil in any serious way. Sweden is trying to be oil-free.
http://en.wikipedia.org/wiki/Making_Sweden_an_Oil-Free_Socie...
According to Wikipedia (http://en.wikipedia.org/wiki/Economy_of_Sweden) Sweden's main industries are: telecommunications equipment, wood pulp and paper products, motor vehicles, pharmaceutical products, iron and steel.
That's quite a nice spread.