Indian Oil Corporation - Refineries

Refineries

In Assam

• Digboi Refinery, in Assam, is India's oldest refinery and was commissioned in 1901. Originally a part of Assam Oil Company, it became part of IndianOil in 1981. Its original refining capacity had been 0.5 MMTPA since 1901. Modernisation project of this refinery was completed by 1996 and the refinery now has an enhanced capacity of 0.65 MMTPA. UOP licensed the technology for the Coking process in this refinery.

• Guwahati Refinery, the first public sector refinery of the country, was built with Romanian collaboration and was inaugurated by Late Pt. Jawaharlal Nehru, the first Prime Minister of India, on 1 January 1962. Its capacity is 1 MMTPA.

• Bongaigaon Refinery became the eighth refinery of IndianOil after merger of Bongaigaon Refinery & Petrochemicals Limited w.e.f. 25 March 2009. It is located at Dhaligaon in Chirang district of Assam, 200 km west of Guwahati.

In Bihar

• Barauni Refinery, in Bihar, was built in collaboration with Russia and Romania. It was commissioned in 1964 with a capacity of 1 MMTPA. Its capacity today is 6 MMTPA.

In Gujarat

• Gujarat Refinery, at Koyali (near Vadodara) in Gujarat in Western India, is IndianOil’s second largest refinery. The refinery was commissioned in 1965. It also houses the first hydrocracking unit of the country. Its present capacity is 13.70 MMTPA.

In West Bengal

• Haldia Refinery is the only coastal refinery of the Corporation, situated 136 km downstream of Kolkata in the Purba Medinipur (East Midnapore) district. It was commissioned in 1975 with a capacity of 2.5 MMTPA, which has since been increased to 7.5 MMTPA

In Uttar Pradesh

• Mathura Refinery was commissioned in 1982 as the sixth refinery in the fold of IndianOil and with an original capacity of 6.0 MMTPA. Located strategically between the historic cities of Delhi and Agra, the capacity of Mathura refinery was increased to 8.8 MMTPA.

In Haryana

• Panipat Refinery is the seventh and largest refinery of IndianOil. The original refinery with 6 MMTPA capacity was built and commissioned in 1998. Panipat Refinery has since expanded its refining capacity to 15 MMTPA.

In Orissa

• Paradip Refinery- The commissioning of 15 million tonnes per annum refinery in November 2012 has been delayed and is now expected to be operational only in September 2013.

Subsidiary refineries – Chennai Petroleum (10.5 MMTPA)