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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.
The United States became the worldâs largest natural gas producer in 2010, ousting Russia for the top spot. The United States also ranks as the worldâs largest producer of oil and natural gas combined. Now, it is also the largest producer of oil and natural gas liquids. Texas and North Dakota Oil Production. The United States produced 8.4 million barrels per day of oil in April 2014âthe highest monthly production volume in 27 years âwith Texas and North Dakota accounting for nearly half of the total.