The daily price of OPEC reference basket comprising 14 crudes was quoted, at $67.32 a barrel on Tuesday, 23rd January 2018, compared to$66.89 the previous day, Emirates' news agency WAM reported, citing OPEC Secretariat calculations. OPEC reference basket (ORB) is made up of the following crudes of member states: Saharan Blend (Algeria), Girassol (Angola), Oriente (Ecuador), Zafiro (Equatorial Guinea), Rabi Light (Gabon), Iran Heavy (Iran), Basra Light (Iraq), Kuwait Export (Kuwait), Es Sider (Libya), Bonny Light (Nigeria), Qatar Marine (Qatar), Arab Light (Saudi Arabia), Murban (Emirates) and Merey (Venezuela).