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Numerical investigation of the effect of preexisting discontinuities on hydraulic stimulation
Abstract The present work aims to investigate the effect of the orientation and spacing of preexisting planes of weakness (discontinuities) on the process of hydraulic stimulation. Structured assemblies of spheropolyhedra were created and a constant water inflow was applied at their center. The hydraulic pressure and the resulting fracture pattern were monitored during each simulation. Both showed a strong dependence on the geometry of the preexisting discontinuities and the orientation of the stress field. The dependence of the maximum hydraulic pressure in each simulation on the geometry of the preexisting discontinuities was found to be compatible with continuum considerations.
Numerical investigation of the effect of preexisting discontinuities on hydraulic stimulation
Abstract The present work aims to investigate the effect of the orientation and spacing of preexisting planes of weakness (discontinuities) on the process of hydraulic stimulation. Structured assemblies of spheropolyhedra were created and a constant water inflow was applied at their center. The hydraulic pressure and the resulting fracture pattern were monitored during each simulation. Both showed a strong dependence on the geometry of the preexisting discontinuities and the orientation of the stress field. The dependence of the maximum hydraulic pressure in each simulation on the geometry of the preexisting discontinuities was found to be compatible with continuum considerations.
Numerical investigation of the effect of preexisting discontinuities on hydraulic stimulation
Gerolymatou, Eleni (author) / Galindo-Torres, Sergio-Andres (author) / Triantafyllidis, Theodoros (author)
Computers and Geotechnics ; 69 ; 320-328
2015-05-30
9 pages
Article (Journal)
Electronic Resource
English
Numerical investigation of the effect of preexisting discontinuities on hydraulic stimulation
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