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Figure 1: Conceptual model of dissolved CO2 diffusion and reactivity into the base of the cap rock at Sleipner (Gaus et al., 2005). Caprock Diffusion in the caprock Re se rvo ir Sup e rc ritic a l C O 2 1-D reac tive transport modelling in the caprock 1 REV
Figure 2: Profiles of impact of dissolved CO2 in the cap rock after 3000 years at Sleipner. A) diffusion of dissolved CO2 into the caprock. B) dissolution and precipitation of minerals. C) porosity changes (Gaus et al., 2005). Depth (m) Depth (m) Depth (m) 10 8 6 4 2 0 0.0 0.2 0.4 0.6 0.8 1.0 1.2 10 8 6 4 2 Fig. 8B 0 -1.0 -0.5 0.0 0.5 1.0 10 8 6 4 2 Fig. 8C moles per REV Porosity change diffusion + reactions diffusion only Dissolved CO 2 (M) Dawsonite Albite Calcite Kaolinite Chalcedony 0 -0.2 -0.1 0.0 0.1 0.2 Porosity decrease (%)
Page 1 and 2: GEOCHEMICAL INTERACTIONS BETWEEN CO
Page 3 and 4: Geochemical interaction between CO2
Page 15: Geochemical interaction between CO2
Page 19 and 20: Figure 4: Basic layout of the batch
Page 21 and 22: Figure 6: Inlet end of the Weyburn

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