S-Oil Ulsan Refinery

Summary Information

• Ownership: S Oil (Saudi Aramco and Hanjin Group)
• Website: http://www.s-oil.com/
• Location: Ulsan, South Korea
• Capacity: 33,5 million tons/annum & 669,000 bbl/day
• Nelson Complexity: 9.8
• Refining Depth:

Brief Description

• The refinery is a very large and complex plant, with cracking capability and integrated petrochemicals

Refining Units

• Atmospheric Distillation
• CDU#1; 90,000 B/D,
• CDU#2; 240,000 B/D,
• CDU#3; 250,000 B/D
• Hydrocracker 75,000 B/D
• R2R(FCC Complex) 73,000 B/D
• No.1 Hyvahl 52,000 bbl/d
• VGO HDS 40,000 bbl/d
• New Hyvahl 57,000 bbl/d
• Hydrodesulphurisation
• No.1 HDS 27,000 bbl/d
• No.2 HDS 43,000 bbl/d
• No.3 HDS 50,000 bbl/d

Alkylation plant - 9,200 bbl/d

Terminal Capacity

• Crude Oil:
• Refined Products:

Crude Supply

• Crude is supplied by Saudi Aramco
• In 2012 S-OIL signed an exclusive 20-year long-term crude supply contract with Saudi Aramco

Products Produced

• Gasoline, Premium Gasoline, Diesel, Kerosene

Projects

• Currently an investment is being made in fuel oil de-sulphurisation
• The S Oil Ulsan Refinery Residue Upgrading Project was completed in 2018
• An expansion project was completed in 2011
• See S Oil Ulsan Refinery Expansion Project
• The company's plans to build a new refinery are currently on hold due to cost considerations.

Other Information

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History

• 1980 - commercial operation of the oil refinery with a capacity of 93,000 barrels/day
• 2001 - Toyo Engineering Corporation awarded a contract for a refinery modernization project
• 2009 - S-OIL completes clean gasoline-producing alkylation plant
• 2011 - S-OIL completes “Onsan Refinery Expansion Project including an 89,000 bpd condensate splitter and petrochemical plants
• 2012 - S-OIL signs 20-year long-term crude supply contract with Saudi Aramco
• 2014 - Foster Wheeler wins FEED for Upgrade Project
• 2018 - The Residue upgrade project was completed
• 2019 - Chevron Lummus Global awards licence for Vacuum Residue Desulfurization (VRDS) technology

Links

1. Refinery Webpage
2. Technip Refining References
3. Uhde Downstream Oil And Gas Projects
4. TEC was Awarded Contract for Refinery Modernization Project in South Korea
5. S-OIL completes clean gasoline-producing alkylation plant
6. Foster Wheeler Awarded FEED Contracts By S-OIL Corporation For Residue Upgrading Project In South Korea
7. Technip to provide proprietary equipment for S-Oil’s refinery in South Korea
8. Chevron Lummus Global Announces Clean Fuels Award in South Korea