| Exploration | |
|---|---|
| Drilling | |
| Development | |
| Production | |
| Technical challenges | |
| Oil and gas agreements | |
| Data by country | Total energy (consumption per capita • intensity) • Natural gas (consumption • production • reserves • imports • exports) • Petroleum (consumption • production • reserves • imports • exports) |
| Supermajors | |
| Major oil provinces | |
| Related articles | |
See also National oil companies | |
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