The price of OPEC's basket of fourteen crudes stood at US$50.98 a barrel on Tuesday, according to OPEC Secretariat calculations.

The OPEC Reference Basket of Crudes (ORB) is made up of the following: Murban (UAE), Saharan Blend (Algeria), Girassol (Angola), Oriente (Ecuador), Rabi Light (Gabon), Minas (Indonesia), 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).