OVERVIEW
South Korea's first and largest oil refiner, operating one of the world's largest single refinery complexes.
Official website ↗SPECIFICATIONS
CountrySouth Korea
RegionUlsan
OperatorSK Energy
Refining capacity840,000 b/d
Fields not shown are left blank because no verified public source was available — we do not fill them with estimates.
VERIFICATION
Source: SK — SK Energy (official)
Last verified: 2026-08-06
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