OPEC daily basket price stood at USD 105.31 per barrel Monday, compared with the previous USD 104.82 pb, said OPEC\'s price bulletin Tuesday. The OPEC Reference Basket (ORB) is made up of 12 crudes. These are Saharan Blend (Algeria), Girassol (Angola), Oriente (Ecuador), Iran Heavy (Islamic Republic of Iran), Basra Light (Iraq), Kuwait Export (Kuwait), Es Sider (Libya), Bonny Light (Nigeria), Qatar Marine (Qatar), Arab Light (Saudi Arabia), Murban (UAE) and Merey (Venezuela).