Shale-brine-CO2 interactions and the long-term stability of carbonate-rich shale caprock

Anastasia Ilgen1, Michael Aman2, D. Nicolas Espinoza2, Mark A Rodriguez3, James Griego1, Thomas A Dewers4, Joshua Feldman1, Thomas Stewart1 and Robert Charles Choens II1, (1)Sandia National Laboratories, Albuquerque, NM, United States, (2)University of Texas at Austin, Austin, TX, United States, (3)Sandia National Laboraotries, Albuquerqie, NM, United States, (4)Sandia National Laboratories, Department of Geomechanics, Albuquerque, NM, United States