Imperial Oil operates the Sarnia I coking refinery, which is located in Ontario, Canada. According to GlobalData, who tracks and profiles more than 1,400 refineries worldwide, it is an integrated coking owned by Exxon Mobil. The refinery started operations in 1897 and has a Nelson Complexity Index (NCI) of 11.5. Buy the profile here.

Key refinery processes

Crude Distillation Unit (mbd): 119
Vacuum Distillation (mbd): 32
Coking (mbd): 23
Catalytic Cracker (mbd): 30
Hydrocracker (mbd): 20
Reformer (mbd): 38
Hydrotreater (mbd): 90
Alkylation (mbd): 7

The capacity of the Sarnia I refinery is expected to remain the same as 119mbd by 2030.

Maintenance activities at Sarnia I coking refinery

The Sarnia I refinery coking witnessed eight incidents during the period 2017-2022.

About Imperial Oil

Imperial Oil Ltd (Imperial Oil), a subsidiary of Exxon Mobil Corporation, is an integrated energy company. It has a presence in the entire value chain of the petroleum industry. The company explores and produces crude oil, natural gas, synthetic oil and bitumen as part of its upstream operations. Its downstream operations consist of the transportation and refining of crude oil, blending, distribution and marketing of refined products. It manufactures and markets various petrochemicals as part of its chemical segment operations. The company operates refineries in Strathcona, Sarnia and Nanticoke, Canada. Imperial Oil is headquartered in Calgary, Alberta, Canada.

For more details on the Sarnia I 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.