Modeling Fractures in a Poro-Elastic Medium Benjamin Ganis, Vivette Girault, Mark Mear, Gurpreet Singh and Mary Wheeler Oil Gas Sci. Technol. – Rev. IFP Energies nouvelles, 69 4 (2014) 515-528 Published online: 23 December 2013 DOI: 10.2516/ogst/2013171