Implications of groundwater flow on preservation of heavy and extra-heavy oil accumulations in Southern Llanos Basin, Colombia - Gómez-Moncada, Ricardo Andrés; Mora, Andrés; Jaramillo, Marcela; Parra, Maurício; Martínez, Andrés; Mayorga, Henry; Sandoval-Muñoz, Jorge; Cuy-Cipamocha, Arcadio; Suárez, Davis; Sandoval-Ruiz, Jose; Ramírez, Rolando; Márquez, Robert; et al. (Journal of South American Earth Sciences, 2022)