Effective June 16, 2005 OPEC's reference basket consists of eleven crude streams representing the main export crudes of all member countries, weighted according to production and exports to the main markets.
| Saharan Blend Minas Iran Heavy Basra Light Kuwait Export Es Sider Bonny Light Qatar Marine Arab Light Murban BCF 17 |
Algeria Indonesia Islamic Republic of Iran Iraq Kuwait Libya Nigeria Qatar Saudi Arabia UAE Venezuela |