The OPEC Reference Basket of Crudes, ORB, is made up of the following: Murban (U.A.E.), Saharan Blend (Algeria), Girassol (Angola), Oriente (Ecuador), Iran Heavy (Islamic Republic of Iran), Basra Light (Iraq), Kuwait Export (Kuwait), Es Sider (Libya), Bonny Light (Nigeria), Qatar Marine (Qatar), Arab Light (Saudi Arabia), and Merey (Venezuela).
Source : WAM News Agency for United Arab Emirates