Characterisation of hydraulic fractures in limestones using X-ray   microtomography
  Hydraulic tension fractures were produced in porous limestones using a specially designed hydraulic cell. The 3D geometry of the samples was imaged using X-ray computed microtomography before and after fracturation. Using these data, it was possible to estimate the permeability tensor of the core samples, extract the path of the rupture and compare it to the heterogeneities initially present in the rock. 
Francois Renard (LGIT, PGP), Dominique Bernard (ICMCB), Jacques   Desrues (3S), Erwan Plougonven (ICMCB), Audrey Ougier-Simo...