Russia is not in that chart, which is interesting.
I don’t believe Iran has 8 years of reserves. They might, but its something worth investigating. The Russians don’t have that long. All the money is going out the door right now, and next to nothing is coming back in.
Although they are doing all they can, they are still not part of the Middle East ;-)
Russia and Saudi both have roughly the same break even price of oil = 110, http://uk.businessinsider.com/break-even-oil-prices-for-all-the-major-producers-in-the-world-2015-7
Former Finance Minister Alexei Kudrin warns that Russia needs to implement structural reforms to save the economy,
http://www.economywatch.com/news/Former-Official-Calls-for-Russian-Structural-Reform1211.html
With present oil price and present budget Rusia will run out of money within a year. It will be interesting to see what will happen.