The price of OPEC reference basket of 14 crudes has ended last week trading, at $67.94 a barrel on Friday, January 26th, 2018, compared to $68.46 the previous day, according to OPEC Secretariat calculations, Emirates' news agency WAM reported. OPEC reference basket is made up of crudes of member states, as follows: Murban (Emirates), 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), and Merey (Venezuela).