Nuclear magnetic resonance of clay-coated sandstones: the Água Grande Formation, Recôncavo Basin (Brazil) - Jácomo, Marta Henriques; Trindade, Ricardo Ivan Ferreira da; Oliveira, Everton Lucas; Leite, Carlson de Matos Maia; Montrazi, Elton Tadeu; Andreeta, Mariane Barsi; Ferreira, Arthur Gustavo de Araújo; Bonagamba, Tito José (International Bologna Conference on Magnetic Resonance in Porous Media - MRPM, 2018)