No body bags were used." Because of the explosion here the corpses cannot be identified.... Crude oil is tapped from a web of pipelines owned by major oil companies and refined in makeshift tanks. The process has led to fatal accidents and polluted a region already blighted by oil spills in farmland, creeks and lagoons for decades.... Government officials estimate that Nigeria, Africa's biggest oil producer and exporter, loses an average of 200, 000 barrels of oil per day, more than 10% of pro