Iran plays an important part in petroleum industry to produced Crude Oil among the organization of petroleum exporting countries. Iran holds about 10% of the worlds proven oil reserves that is OPEC‘s second largest exporter and the world’s fourth largest oil producer. The history of Iran’s oil industry began in 1901 when an external contractor received a concession from Iran to explore southern Iran’s Oil resources. Petroleum resources of Iran are fairly rich. NIORDC (National Iranian Oil Refining and Distribution Company) was established on 1991 and undertook to perform all operations relating to refining and distribution of oil products that growing to 9 oil existing refineries as Abadan, Isfahan, Bandar Abbas, Tehran, &.. Oil refinery with about 300,000 m3/daily oil refining capacity.