Presenters: Alvar Braathen, UiO, Kim Senger, UNIS and Elin Skurtveit, NGI/UiO
In derisking of CO2 storage sites prior to operations, faults represent potential fluid conduits that are challenging to forecast both when it comes to initial properties, but especially for increased fluid pressures anticipated by CO2 injection. We consider processes in sandstone reservoirs and shale seals to deformation events and subsequent healing linked to compaction and mineral precipitation.
Our presentation centres on outcrop and subsurface cases of the North Sea Horda Platform (Smeaheia area), Utah and Svalbard, offering complementary datasets pointing to pressure-driven fault reactivation cycles and high self-sealing potential.
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