![]() | Educational Tourism: Mining, geology, and cultural history of Butte and southwest Montana Tours from Gibson Consulting |

Million barrels per year, 1998 | |
The largest non-state-owned companies are ExxonMobil, Shell, BP, and Chevron-Texaco. Those four companies spent more than $50 billion in capital and exploratory costs in 1998. BHP (Australia) would be next ($23 billion in assets), followed by the US companies on the list below. But there are many additional state-owned (or partly state-owned) companies that are larger than Conoco, including YPF (Argentina), Petrobras (Brazil), Elf Aquitaine (France), Total (France), ENI/AGIP (Italy), Norsk Hydro (Norway), Statoil (Norway), Repsol (Spain), Sonatrach (Algeria), Chinese Petroleum (Taiwan), and Nippon Oil (Japan), as well as those on the list above.
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