Distribution and origin of natural gas leakage in the Colorado Basin, offshore Argentina Margin, South America : seismic interpretation and 3D basin modelling - Anka, Z. (GFZ- German Research Centre for Geosciences (Potsdam, Alemanya)) ; Loegering, M. J. (GFZ- German Research Centre for Geosciences (Potsdam, Alemanya)) ; di Primio, R. (GFZ- German Research Centre for Geosciences (Potsdam, Alemanya)) ; Marchal, D. (Petrobras Argentina S.A.) ; Rodríguez, J. F. (Petrobras Argentina S.A.) ; Vallejo, E. (YPF Tecnología S.A. (Buenos Aires, Argentina))