The Nigerian National Petroleum Company Limited, NNPCL, has called for Expression of Interest, EOI, from qualified oil and gas firms to operate and maintain the Port Harcourt refinery. In a public notice, NNPCL said the process would help improve dependability and sustain Nigeria’s fuel supply and energy security requirements. The country’s oil company said the “operate & maintain” model was “one of the key requirements by the lender” for the Port Harcourt project. According to NNPCL public notice: “The Nigerian National Petroleum Company (NNPC) Limited is seeking to engage reputable and credi…