Most people take oil for granted, pausing only to think about it when the tank runs low. Where does it come from and how is it formed?

Contrary to popular belief, here's what it's not:

  • Swirling around in an underground lake;
  • Made from dead dinosaurs; and
  • Gushing to the surface in liquid form.

This infographic provided to Hart Energy by Jones Oil goes underground to see exactly what causes oil to form.