Since the second half of last week, the OPEC secretariat at the headquarters of the cartel in Vienna at the time suspended calculations of oil “basket” in connection with religious celebrations taking place in the Muslim world.The price of oil “basket” of OPEC last three trading days has remained below 40 U.S. $ / bbl. And its official value is: – December 4 – U.S. $ 39,56 / bbl. (the lowest rate since January 7, 2005.) – December 5 – 36.67 U.S. $ / bbl. (the lowest rate since January 4, 2005.) – December 8 – 37.54 U.S. $ / bbl. As of December 8, basket price increased by 87 cents, or 2.4%, but remained significantly lower than it was on 3 December this year, when officially stood at 40.75 U.S. $ / bbl . Refers RBC. The term “basket” of OPEC (OPEC Reference Basket of crudes) has entered into a formal vocabulary oil market from 1 January 1987. and has since remained one of the main price indicators for the world oil market. Trash is a combined measure of normal oil prices, which supply the world market for OPEC. Since March, 2008. “basket” is represented by the following 13 oil brands: Saharan Blend (Algeria), Girassol (Angola); Oriente (Ecuador); Minas (Indonesia), Iran Heavy (Iran), Basra Light (Iraq), Kuwait Export (Kuwait), Es Sider (Libya), Bonny Light (Nigeria), Qatar Marine (Qatar), Arab Light (Saudi Arabia), Murban (UAE) and BCF 17 (Venezuela). In September of this year Members of OPEC formally withdrew Indonesia. However, before the end of this year, produced in the country Minas oil brand will continue to take into account when calculating the price of oil “basket”.