The price of the 12-crudes basket of the Organization of Petroleum Exporting Countries (OPEC) announced on Tuesday, that prices dropped USD 2.56 on Monday settling at USD 101.81 compared to USD 104.37 pb on Friday. The cartel\'\'s basket of 12 crudes includes Saharan Blend (Algeria), Girassol (Angola), Oriente (Ecuador), Iran Heavy (Islamic Republic of Iran), Basra Light (Iraq), Es Sider (Libya), Bonny Light (Nigeria), Qatar Marine (Qatar), Arab Light (Saudi Arabia), Murban (UAE), and Merey (Venezuela).