S-OIL Corporation

Korea (South)s-oil.com

S-OIL Corporation is a major South Korean petroleum company engaged in the refining of crude oil and the production of petrochemical products. Headquartered in Seoul, South Korea, the company operates a large-scale refinery in Onsan, Ulsan, which has a crude distillation capacity of approximately 669,000 barrels per day. Its product portfolio includes gasoline, diesel, aviation fuel, and various petrochemicals like benzene, toluene, and xylene.

The company is listed on the Korea Exchange (KRX) under the ticker 010950. It has a significant ownership by Saudi Arabian Oil Company (Aramco), which holds around 63 percent of the shares, reflecting its integration into global energy supply chains. S-OIL plays a vital role in South Korea's energy industry, contributing to the nation's refining capacity and supporting economic activities through its downstream operations.

In addition to refining, S-OIL has been expanding its petrochemical business to enhance value addition. The company also participates in international energy markets, including through long-term contracts for liquefied natural gas supplies to meet its energy needs. With a focus on operational excellence and environmental responsibility, S-OIL maintains a competitive position in the Asian refining and petrochemical sector.

Also known as 에스오일.

Projects S-Oil is involved in

chemXplore tracks 1 project involving S-Oil, of which one is active.

S-Oil's role on them: Owner.

1 FID / Sanctioned

1 expansion.

Expected to start operating
2026
none
2027
1 project
2028
none
2029
none
2030
none
2031
none
What moved recently
  • September 2026 S-Oil LPI Xylene Isomerization Unit, Onsan · FID / Sanctioned

Licensors are recorded on this project For subscribers

Targeting: Xylene (1), p-Xylene (1)

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Latest news on S-Oil

10 September 2026
Axens LPI License for S-Oil Reaches FID; Start-up Q2 2027

Unit at Aromatics Complex #1 to start Q2 2027; license, process design and start‑up support provided; project aims to boost paraxylene supply while cutting energy use and emissions.

28 August 2026
PETRONAS 1H 2026: resilient results and energy-security focus

Revenue up 15% to RM152.4bn; PAT RM27.2bn; CAPEX RM41.4bn and full ownership of PRefChem expected in 2H 2026 amid West Asia conflict-driven volatility.

15 June 2026
DL E&C wins KRW550bn EPC for Dongjeju combined cycle power plant

150MW gas-fired combined cycle plant in Jeju, hydrogen-ready and due 2030; will use AWP and a synchronous condenser to support grid stability and future hydrogen conversion.