Nigeria once had four (4) oil refineries, but currently has three (3) refineries. There use to be two Port Harcourt refineries which were built in 1965 and 1989. In 1993 they were merged into one, with a total capacity of 10.500 million mt/yr (Metric Tonne Per Year).
Nigeria has three refineries, all owned by the Nigerian National Petroleum Company, NNPC. The Nigerian government has announced its intention to sell 51% of each of the refineries in 2004.
Kaduna refinery in northern Nigeria was built in 1980 with a capacity of 5.5 million mt/yr (110,000 b/d). A Lube Baseoil plant was added in 1982, and an LAB plant in 1987.
Warri refinery in the south central region was built in 1978 with a capacity of 6.2 million mt/yr (125,000 b/d). A Carbon Black plant and a Polypropylene plant were added in 1986.Port Harcourt refinery in the southeast is made up of two refineries, built in 1965 and 1989. In 1993 they were merged into one, with a total capacity of 10.500 million mt/yr (210,000 b/d). The Eleme Petrochemical plant, which was built adjacent to the Port Harcourt refinery in 1995, has an Olefin production capacity of 483,000 mt/yr, a Polypropylene capacity of 80,000 mt/yr and a Polyethylene production capacity of 250,000 mt/yr