This preliminary investigation by ECOS documents the socio-economic and environmental impact of oil exploitation in the Melut Basin in Upper Nile State, Sudan, as told by inhabitants of the area and photo­graphed from satellites.It focuses on the Melut and Maban Counties, Renk District, which fall into concession blocks 3 and 7, held by the Petrodar Operating Company Ltd. under a Production Sharing Agreement with the Sudanese Government.