Iraq bumps Iran as Opec's second biggest oil producer
17 August 2012 Last updated at 12:58 BST
According to a recent report from the International Energy Agency, Iraq has overtaken Iran as the second largest oil producer in the Opec - the Organization of the Petroleum Exporting Countries.
Some analysts suggest that the dip in Iran's production is a sign that international sanctions against the country's crude oil exports are having an impact.
Karen Zarindast reports.
Video produced by BBC Persian's Mehrzad Kohanrouz