lorenzo edited Becancour.tex  about 10 years ago

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The regional caprock unit consists of the Utica and Lorraine shales. The thickness (\textgreater\ 800 m) and permeability (1 x 10$^{-4}$ mD) of the caprock units in the B\'e\-can\-cour region are apparently capable of preventing  buoyancy-driven migration of injected CO$_2$ to the surface, as they have maintained over-pressured conditions in the saline aquifers \citep{TranNgoc2014}. Petrohysical and hydrogeological properties of the reservoir are resumed on Table \ref{table 1}.  \begin{table}  \centering  \scalebox{0.7}{  \begin{tabular}{lccccccc}  \hline  Sample & Lithology & Grain Density & Porosity & Matrix Permeability & Salinity & net pay thickness & Pore size \\ 

Cairnside - CA & sandstone & 2.632 & 4 & 0.11 & 241.800 & 68 & 0.55 \\  Covey Hill - CH & sandstone & 2.613 & 6 & 0.26 & 108.500 & 196 & 0.55 \\  \hline  \end{tabular}} \end{tabular}  \caption{Physical properties of the Potsdam group sandstones}  \label{table 1}  \end{table}