The Price of OPEC reference basket (ORB) comprising 14 crudes has stood, at $62.09 a barrel on Thursday, slumping compared to $60.62 the previous day, Emirates news agency WAM cited OPEC secretariat's quotation. OPEC reference basket is made up of the member states' 14 crudes as follows: Saharan Blend (Algeria), Girassol (Angola), Oriente (Ecuador), Zafiro (Eq. 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).