CITGO Petroleum operates the Lemont coking refinery, which is located in Illinois, the US. According to GlobalData, who tracks and profiles more than 1,400 refineries worldwide, it is an integrated coking owned by Petroleos de Venezuela. The refinery started operations in 1925 and has a Nelson Complexity Index (NCI) of 12.85. Buy the profile here.

Key refinery processes

Crude Distillation Unit (mbd): 177
Vacuum Distillation (mbd): 77
Coking (mbd): 41
Catalytic Cracker (mbd): 70
Reformer (mbd): 36
Hydrotreater (mbd): 229
Alkylation (mbd): 24

The capacity of the Lemont refinery is expected to remain the same as 177mbd by 2030.

Maintenance activities at Lemont coking refinery

The Lemont refinery coking witnessed three incidents during the period 2017-2022.

About CITGO Petroleum

CITGO Petroleum Corp (CITGO) refines, transports, and markets transportation fuels, lubricants, petrochemicals, solvents, and other petroleum-based industrial products. The company owns and operates crude oil refineries in Lemont, Illinois; Corpus Christi, Texas; and Lake Charles, Louisiana. It also has a network of petroleum product terminals and pipelines. Its terminal stores distribute petroleum products such as diesel, gasoline, heating oil, and jet fuel across major regions of the US. CITGO markets petroleum products to customers and businesses through its network of independent distributors. The company is owned by CITGO Holding Inc, which is an indirect subsidiary of Petroleos de Venezuela SA (PDVSA). CITGO is headquartered in Houston, Texas, the US.

For more details on the Lemont coking refinery, buy the profile here.


GlobalData, the leading provider of industry intelligence, provided the underlying research used to produce this article.

This information is drawn from GlobalData’s Oil & Gas Intelligence Center, which provides detailed profiles of 34,000+ oil and gas fields, 400,000+ exploration blocks, 1,100+ LNG terminals, 3,400+ gas processing plants, 5,000+ storage terminals, and 8,000+ pipelines, 1,400+ refineries and 13,000+ petrochemical plants worldwide.