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Some statistics on this page are disputed and controversial—different sources (OPEC, CIA World Factbook, oil companies) give different figures. Some of the differences reflect different types of oil included. Different estimates may or may not include oil shale, mined oil sands or natural gas liquids.
The expression "Seven Sisters" was coined by the head of the Italian state oil company (), Enrico Mattei, [22] who sought membership for his company, but was rejected.The history of the supermajors traces back to the seven oil companies which formed the "Consortium for Iran" cartel and dominated the global petroleum industry from the mid-1940s to the 1970s.
A map of world oil production (2013) Oil-producing countries (information from 2006 to 2012) This article includes a chart representing proven reserves, production, consumption, exports and imports of oil by country.
Saudi Aramco (Arabic: أرامكو السعودية ʾArāmkū as-Suʿūdiyyah), officially the Saudi Arabian Oil Company or simply Aramco (formerly Arabian-American Oil Company), is a majority state-owned petroleum and natural gas company that is the national oil company of Saudi Arabia.
The term major oil company has no formal definition, but usually refers to a large vertically integrated company, with operations in all or most of the industry phases, from exploration to marketing. Many majors have international operations. The largest of the majors are sometimes called supermajors. This term is often applied to BP, Shell ...
In 2009, Russia produced 12% of the world's oil and had a similar share of global oil exports. [4] Russia produced an average of 10.83 million barrels (1,722,000 m 3) of oil per day in December 2015. [5] In June 2006, Russian crude oil and condensate production reached the post-Soviet maximum of 9.7 million barrels (1,540,000 m 3) per day.
The Oil & Gas Journal publishes a worldwide list of refineries annually in a country-by-country tabulation that includes for each refinery: location, crude oil daily processing capacity, and the size of each process unit in the refinery. For some countries, the refinery list is further categorized state-by-state.
Top 5 oil-producing countries 1980–2022 World oil production. This is a list of countries by oil production (i.e., petroleum production), as compiled from the U.S. Energy Information Administration database for calendar year 2023, tabulating all countries on a comparable best-estimate basis.