Port Harcourt refinery Back on track - resume production - Bright orange flames flare upwards from a pencil-thin chimney at the Port Harcourt Refining Company, sending thick black smoke into the white clouds above Nigeria's southern oil hub.
On the ground, workers in boiler suits and hard hats inspect the tanks, valves and gauges around the metal pipes that stretch up, down and across the facility.
On the ground, workers in boiler suits and hard hats inspect the tanks, valves and gauges around the metal pipes that stretch up, down and across the facility.
