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Constraints on mapping of the storage potential in the passive rift setting: case from the eastern part of Drava basin

Passive rift setting is characteristic for Neogene extensional basins within Mediterranean basin and Alpine belt. Area is mostly well explored for oil and gas with populated and industrialized regions Neogene basins are characterized by syn-rift reservoirs and overlaying post-rift regional seals Challenging prospective site characterization. Basin architecture is mainly predefined by tectonic control while the sedimentary environments include alluvial fan, fan delta and submarine fan bodies. Short and fan like bodies are characterized by course grained sediments which are a dominant target for CO2 storage within the interval. Storage capacity constraints consists of variable lithology (mineral property uncertainties in well log porosity estimation)- mixed carbonate and silicate composition of syn- rift succession and volcanic rocks change of matrix type of course grained sediments (due to depositional conditions and diagenesis).

CO2 storage, passive rift settings, Drava Basin, Croatia

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