Empresa Nacional del Petroleo operates the Aconcagua coking refinery, which is located in Valparaiso Region, Chile. According to GlobalData, who tracks and profiles more than 1,400 refineries worldwide, it is a non integrated coking owned by Empresa Nacional del Petroleo. The refinery started operations in 1955 and has a Nelson Complexity Index (NCI) of 7.37. Buy the profile here.

Key refinery processes

Crude Distillation Unit (mbd): 104
Coking (mbd): 23
Catalytic Cracker (mbd): 31
Hydrocracker (mbd): 22
Hydrotreater (mbd): 42
Alkylation (mbd): 8

The capacity of the Aconcagua refinery is expected to remain the same as 104mbd by 2030.

Maintenance activities at Aconcagua coking refinery

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

About Empresa Nacional del Petroleo

Empresa Nacional del Petroleo (ENAP) is a state-owned integrated oil and gas company. It carries out exploration, development, and production of hydrocarbons. The company has major upstream operations in Magallanes region of Chile. ENAP also carries out refining, transportation, storage, and marketing of petroleum-based products. The company operates Aconcagua, Bio Bio and Gregorio refineries, and terminals in Quintero, San Vicente, Easter Island, Cabo Negro, and Gregorio in Chile. Its product portfolio includes fuels, liquefied petroleum gas and other oil-based products, including solvents, asphalt, propylene, and other petrochemical products. The company also conducts electric power generation and distribution of natural gas. It also has presence in Argentina, Ecuador, and Egypt. ENAP is headquartered in Las Condes, Santiago, Chile.

For more details on the Aconcagua 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.