Fig. 15

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Effect of porosity on the (a) gas saturation, (b) pressure buildup at the three selected times and (c) the evolution of acid gas trapping. Note that the acid gas trapping curves for Case 5 coincide with those for the Base Case (where Base case, Case 5 and Case 6 indicate that the values of porosity are 0.2, 0.1 and 0.3, respectively).