Indian Oil operates the Koyali refinery, which is located in Gujarat, India. It is a non integrated refinery owned by Indian Oil. The refinery, which started operations in 1965, has an NCI of 7.71.

Key processes of the refinery

Crude Distillation Unit (mbd): 275
Vacuum Distillation (mbd): 24
Coking (mbd): 70
Catalytic Cracker (mbd): 30
Hydrocracker (mbd): 24
Reformer (mbd): 22
Hydrotreater (mbd): 196
Isomerization (mbd): 6

The capacity of the refinery is expected to increase to 361.5mbd by 2030.

During the period 2021-2025, the Koyali refinery is expected to witness an estimated capex of $2,018.47m.

Maintenance activities at Koyali refinery

The Koyali refinery witnessed nineteen incidents during the period 2015-2020.

Upcoming expansion projects at Koyali refinery

CDU, Lubes Unit

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About Indian Oil

Indian Oil Corp Ltd (IOCL) is an integrated oil and gas company. The company conducts exploration and production of oil and natural gas, refining of crude oil, pipeline transportation and marketing of natural gas and petroleum products. It also manufactures and markets petrochemicals and has considerable operations in alternative energy. IOCL’s refined petroleum products include high speed diesel, jet fuel, light petroleum gas, gasoline, bitumen, heavy fuel oil, naphtha, lubricants and greases. The company conducts upstream operation in collaboration with other consortium partners both in India and other countries including the US, Canada, Gabon, Libya, Nigeria, Russia, Venezuela, Oman and the UAE. It is a Maharatna company of Government of India. IOCL is headquartered in New Delhi, India.


Information on the refinery is sourced from GlobalData’s refinery database that provides detailed information on all active and upcoming, crude oil refineries and heavy oil upgraders globally. Not all companies mentioned in the article may be currently existing due to their merger or acquisition or business closure.