O kwukwara na ndị Shell rụrụ ọrụ ndozi na-ebe a maka mmanụ hiri n'afọ 2009 na 2010, na kwa na ngalaba akpọrọ National Oil Spill Detection and Response Agency NODSRA enyochaala ebe a na kwa ebe a enweghị nsogbu ọbụla.
