National companies dominate world oil

National government-owned companies hold the bulk of the world’s oil reserves and account for more than half of oil supplies

Alan Bailey

Petroleum News

For someone working in the oil fields of North America it might appear that investor-owned oil companies of various forms and sizes dominate the world oil scene. But looks can be deceptive. According to a briefing that the U.S. Energy Information Administration published in January, companies wholly....

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Oil producing countries