The 4th International Drilling Congress and Exhibition 2017 was held in Tehran, Iran. In regards, the congress program has been issued by the secretariat. The program contains 36 sessions; out of which, 30 panels will be on congress subjects. For the opening ceremony, the oil minister of Iran, Mr. Bijan Zangane has been invited as a Keynote Speaker. The Exhibition is reaching its full capacity by roaring interest of oil companies, E & P, Rig owners and service providers. It is expected that more than 1300 delegates will attend this great event.