History

Famous Oil Discoveries

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Updated:4/9/2026
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Oil Field
Year Discovered
Location
Country
Estimated Reserves
Known For
Spindletop1901Beaumont, Texas
United States
50 million barrelsGusher of 100,000 bpd, birth of Texas oil industry, founded Gulf Oil and Texaco
Ghawar1948Al-Ahsa Governorate
Saudi Arabia
70+ billion barrelsWorld's largest conventional oil field, backbone of Saudi Aramco, over half of Saudi output
Burgan1938Southeast Kuwait
Kuwait
66-75 billion barrelsSecond largest field, set ablaze by Iraqi forces in 1991 Gulf War
Prudhoe Bay1968North Slope, Alaska
United States
25 billion barrels originalLargest oil field in North America, led to Trans-Alaska Pipeline
Cantarell1976Bay of Campeche
Mexico
35 billion barrelsDiscovered by fisherman Rudesindo Cantarell, Pemex flagship, now in decline
Samotlor1965Western Siberia
Russia
14 billion barrelsLargest Soviet oil field, peak of Soviet oil power, still producing
Masjed Soleyman1908Khuzestan
Iran
2 billion barrelsFirst commercial oil in Middle East, founded Anglo-Persian (later BP)
Kirkuk1927Kirkuk Governorate
Iraq
10 billion barrelsBaba Gurgur gusher, oldest major Iraqi field, eternal flames since antiquity
Dammam No. 71938Eastern Province
Saudi Arabia
32 million barrelsLucky Well Seven, launched Saudi oil era, transformed global energy
East Texas Oil Field1930East Texas
United States
6 billion barrelsDad Joiner's discovery, largest 48-state field, crashed oil prices in Depression
Tengiz1979Caspian basin
Kazakhstan
26 billion barrelsSuper-deep carbonate reservoir, Chevron-led joint venture TCO
Romashkino1948Tatarstan
Russia
17 billion barrelsLargest Russian field, powered postwar Soviet recovery, Lenin Prize discovery
Forties1970North Sea
United Kingdom
4.2 billion barrelsDiscovered by BP, anchor of UK North Sea oil, Forties blend benchmark crude
Daqing1959Heilongjiang
China
16 billion barrelsEnded Chinese oil import dependence, Iron Man Wang Jinxi propaganda hero
Safaniya1951Persian Gulf
Saudi Arabia
37 billion barrelsWorld's largest offshore field, Aramco heavy crude

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