Reactive transport modelling of the impact of CO2 injection on the clayey cap rock at Sleipner (North Sea)
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Cites background from "Reactive transport modelling of the..."
...In general, the simulations suggest that, initially, carbonate cements dissolve, potentially increasing porosity; later, reactions are dominated by the dissolution of feldspar and the precipitation of carbonate minerals and clays, thus decreasing porosity and permeability (Gaus et al. 2005)....
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...In general, the simulations suggest that, initially, carbonate cements dissolve, potentially increasing porosity; later, reactions are dominated by the dissolution of feldspar and the precipitation of carbonate minerals and clays, thus decreasing porosity and permeability (Gaus et al. 2005)....
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Cites background from "Reactive transport modelling of the..."
...Studies generally show that for a low-permeability caprock, over thousand of years of exposure, only the lowest few meters of the caprock may be affected by the CO2-rich fluid, and the effect on hydraulic and mechanical properties appears to be very small (Gaus et al., 2005; Ojala, 2011; Fleury et al., 2010; Hangx et al., 2010; Bildstein et al., 2010)....
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...…over thousand of years of exposure, only the lowest few meters of the caprock may be affected by the CO2-rich fluid, and the effect on hydraulic and mechanical properties appears to be very small (Gaus et al., 2005; Ojala, 2011; Fleury et al., 2010; Hangx et al., 2010; Bildstein et al., 2010)....
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