10 countries sitting on massive oceans of oil

Reuters/Carlos Garcia Rawlins

One of the most-talked-about side effects of the deal is the re-entry of Iranian crude on the global markets.

Interestingly, although Iran has a huge amount of oil, the Islamic Republic doesn't even make it into the top three when it comes to proven crude oil reserves.

Using the data provided by Barclays commodities analyst Michael Cohen, we put together a list of the ten countries sitting on the greatest amounts of crude oil. Check it out below.