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The desert kingdom has around 16% of the worldâs proven oil reserves and is the biggest global exporter of petroleum liquids. There is little doubt as to why its national oil company, Saudi Aramco, the biggest energy company in the world, generates over $1 billion in revenue every single day.
Here are the top five most important oil fields in the world. 1. Ghawar (Saudi Arabia) The legendary Ghawar field has been churning out oil since the early 1950s, allowing Saudi Arabia to claim the mantle as the worldâs largest oil producer and the only country with sufficient spare capacity to act as a swing producer.