An Interpretative AVA Modelling Based Approach for Derisking Hydrocarbon Prospect

The primary aim of this study is Amplitude Versus Angle (AVA) modelling in derisking hydrocarbon prospects. AVA effects on angle gathers provide basic information on the lithology and porefill contents of the rocks under investigation. To perform the AVA modelling, a series of forward models in association with rock physics-modelled fluid-substituted logs have been developed and associated seismic responses for different pore fluids and rock types studied. The results reveal that synthetic seismic responses together with the AVA analysis show changes for different lithologies. AVA attributes analysis show trends in generated synthetic seismic responses for different fluid-substituted and porosity logs.