OPEC raises forecasts for world oil demand in annual outlook - GreentechLead
OPEC Basket Price History in Excel
KUNA : OPEC basket price up to USD 69.68 pb - Power - 17/06/2009
Oilholics Synonymous Report: OPEC's 'Crude' Basket & Last Friday's close
New energy inflationary pressures in the horizon?.- OPEC approves additional 1.66 million b/d production cut effective from next May to the end of 2023 - Eastwind