Vienna, Jan 20: The basket of 12 crude oils of the Organisation of crude oil exporting Countries (OPEC) stood at $104.05 a barrel Friday, compared to $104.47 last Thursday, according to the OPEC Secretariat.

The new OPEC reference basket includes Saharan blend (Algeria), Girassol (Angola), Oriente (Ecuador), Persia heavy (Iran), Basra light (Iraq), Kuwait Export (Kuwait), Es Sider (Libya), bonnie lightweight (Nigeria), Qatar Marine (Qatar), Arab light (Saudi Arabia), Murban (the United Arab Emirates) and Merey (Venezuela). A barrel is equal to 159 litres.