Petroleum Powerhouses

The big supermajor oil companies collectively produce about 15% of the world’s oil, with Exxon the biggest and producing almost four million bbl/day. Conversely, national oil companies produce almost 60% of the world’s crude, with Saudi Aramco at 12 million bbl/day and Gazprom at 10 million bbl/day being the biggest and together producing way more than all the supermajors combined. The remaining 26% is pumped by smaller independent companies.

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