SK
SK is an independent refining company based in Korea.
SK's Ulsan refinery is one of the largest refineries in the world.
Refining history
Refining history
1962 - Founded as Korea Oil, the first oil company in Korea
1964 - Ulsan refinery commissioned (35 Kb/d)
1969 - Inchon refinery commissioned
1980 - Sunkyoung Group acquired management rights of Korea Oil as part of privatization
1982 - Korea Oil name changed to Yukong
1996 - Ulsan expanded to 810 Kb/d
1997 - Yukong changed name to SK
2005 - SK acquired Inchon refinery
2011 - SK Energy set up as a subsidiary including Ulsan refinery
2017 - SK Incheon Petrochem set up as subsidiary including Inchon refinery