Submarine topography has a fundamental control on the movement of sediment gravity flows as well as the distribution, morphology, and internal heterogeneity of resulting healing phase, deep-water reservoirs. Some of the most complex deep-water topography is generated through both destructive and constructive mass transport processes. A series of numerical models using Sedflux software have been constructed over high resolution paleobathymetric surfaces mapped from 3D seismic data in mass transport complexes offshore Morocco and offshore eastern Trinidad. Morocco is characterized by large, extant rafted blocks and a flow perpendicular fabric. Trinidad is characterized by muddier, plastic flows and isolated extrusive diapiric buttresses. These models quantitatively delineate the interaction of healing-phase gravity flows on the tops of two very different topographies and provide insights into healing-phase reservoir distribution and stratigraphic trap development. Slopes, roughness (e.g. extremes), curvatures and surface shapes are measured and quantified relative to input points to quantify depositional surface character. A variety of gravity flow types have been input and the resultant interval assessed for thickness and distribution relative to key topography parameters. Mathematical relationships are to be analyzed and compared with seismic data interpretation of healing-phase interval character, toward an improved model of gravity sedimentation and topography interactions. Such studies are being used to reduce exploration risk in healing-phase turbidite reservoir intervals.
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