How many refineries are there in the world?

About 700

Statistics show that there are about 700 oil refineries all over the world today.  The main idea is that they are not equally distributed all over the world.  Where can we find refineries?  Here are some factors which determine their location: vicinity of oil sources, vicinity of intense oil products consumption or population density, vicinity of oil transportation routes, economic potential for refinery construction.  These 700 refineries differ by type and complexity of oil refining technologies.  Oil refining represents a real industry.  Oil products are part of the industry of oil processing.