Port Harcourt Refinery wasn't producing petrol before shutdown - Marketers The Independent Petroleum Marketers Association of Nigeria has said the Nigerian National Petroleum Company Limited had to shut down the Port Harcourt Refining Company to save its face. IPMAN said the facility’s shutdown is insignificant to the Nigerian petrol market, stressing that the plant did not produce petrol for about three months before its eventual shutdown. The Petroleum Products Retail Outlet Owners Association of Nigeria argued that the facility will be of no value without the Premium Motor Spirit (petrol) blending unit,...