This article is written in
American English, which has its own spelling conventions (color, defense, traveled) and some terms that are used in it may be different or absent from other
varieties of English. According to the
relevant style guide, this should not be changed without
broad consensus.
This article is within the scope of WikiProject Energy, a collaborative effort to improve the coverage of
Energy on Wikipedia. If you would like to participate, please visit the project page, where you can join
the discussion and see a list of open tasks.EnergyWikipedia:WikiProject EnergyTemplate:WikiProject Energyenergy articles
This article is within the scope of WikiProject Organizations, a collaborative effort to improve the coverage of
Organizations on Wikipedia. If you would like to participate, please visit the project page, where you can join
the discussion and see a list of open tasks.OrganizationsWikipedia:WikiProject OrganizationsTemplate:WikiProject Organizationsorganization articles
This article is within the scope of WikiProject Saudi Arabia, a collaborative effort to improve the coverage of articles related to
Saudi Arabia on Wikipedia. If you would like to participate, please visit the project page, where you can join
the discussion and see a list of open tasks.Saudi ArabiaWikipedia:WikiProject Saudi ArabiaTemplate:WikiProject Saudi ArabiaSaudi Arabia articles
This article is within the scope of WikiProject Iran, an attempt to build a comprehensive and detailed guide to articles related to
Iran on Wikipedia. If you would like to participate, please
join the project where you can contribute to the
discussions and help with our
open tasks.IranWikipedia:WikiProject IranTemplate:WikiProject IranIran articles
This article is within the scope of WikiProject Iraq, a collaborative effort to improve the coverage of
Iraq on Wikipedia. If you would like to participate, please visit the project page, where you can join
the discussion and see a list of open tasks.IraqWikipedia:WikiProject IraqTemplate:WikiProject IraqIraq articles
This article is within the scope of WikiProject Kuwait, a collaborative effort to improve the coverage of
Kuwait on Wikipedia. If you would like to participate, please visit the project page, where you can join
the discussion and see a list of open tasks.KuwaitWikipedia:WikiProject KuwaitTemplate:WikiProject KuwaitKuwait articles
This article is within the scope of WikiProject Venezuela, a collaborative effort to improve the coverage of
Venezuela on Wikipedia. If you would like to participate, please visit the project page, where you can join
the discussion and see a list of open tasks.VenezuelaWikipedia:WikiProject VenezuelaTemplate:WikiProject VenezuelaVenezuela articles
This article is within the scope of WikiProject Trade, a collaborative effort to improve the coverage of
Trade on Wikipedia. If you would like to participate, please visit the project page, where you can join
the discussion and see a list of open tasks.TradeWikipedia:WikiProject TradeTemplate:WikiProject TradeTrade articles
Update :At least every year or two, throughout the article, verify & update OPEC membership, production numbers, reserves, references, charts, templates, infobox, etc.
This article is written in
American English, which has its own spelling conventions (color, defense, traveled) and some terms that are used in it may be different or absent from other
varieties of English. According to the
relevant style guide, this should not be changed without
broad consensus.
This article is within the scope of WikiProject Energy, a collaborative effort to improve the coverage of
Energy on Wikipedia. If you would like to participate, please visit the project page, where you can join
the discussion and see a list of open tasks.EnergyWikipedia:WikiProject EnergyTemplate:WikiProject Energyenergy articles
This article is within the scope of WikiProject Organizations, a collaborative effort to improve the coverage of
Organizations on Wikipedia. If you would like to participate, please visit the project page, where you can join
the discussion and see a list of open tasks.OrganizationsWikipedia:WikiProject OrganizationsTemplate:WikiProject Organizationsorganization articles
This article is within the scope of WikiProject Saudi Arabia, a collaborative effort to improve the coverage of articles related to
Saudi Arabia on Wikipedia. If you would like to participate, please visit the project page, where you can join
the discussion and see a list of open tasks.Saudi ArabiaWikipedia:WikiProject Saudi ArabiaTemplate:WikiProject Saudi ArabiaSaudi Arabia articles
This article is within the scope of WikiProject Iran, an attempt to build a comprehensive and detailed guide to articles related to
Iran on Wikipedia. If you would like to participate, please
join the project where you can contribute to the
discussions and help with our
open tasks.IranWikipedia:WikiProject IranTemplate:WikiProject IranIran articles
This article is within the scope of WikiProject Iraq, a collaborative effort to improve the coverage of
Iraq on Wikipedia. If you would like to participate, please visit the project page, where you can join
the discussion and see a list of open tasks.IraqWikipedia:WikiProject IraqTemplate:WikiProject IraqIraq articles
This article is within the scope of WikiProject Kuwait, a collaborative effort to improve the coverage of
Kuwait on Wikipedia. If you would like to participate, please visit the project page, where you can join
the discussion and see a list of open tasks.KuwaitWikipedia:WikiProject KuwaitTemplate:WikiProject KuwaitKuwait articles
This article is within the scope of WikiProject Venezuela, a collaborative effort to improve the coverage of
Venezuela on Wikipedia. If you would like to participate, please visit the project page, where you can join
the discussion and see a list of open tasks.VenezuelaWikipedia:WikiProject VenezuelaTemplate:WikiProject VenezuelaVenezuela articles
This article is within the scope of WikiProject Trade, a collaborative effort to improve the coverage of
Trade on Wikipedia. If you would like to participate, please visit the project page, where you can join
the discussion and see a list of open tasks.TradeWikipedia:WikiProject TradeTemplate:WikiProject TradeTrade articles
Update :At least every year or two, throughout the article, verify & update OPEC membership, production numbers, reserves, references, charts, templates, infobox, etc.