Electrohydraulic Fracturing of Rocks

Gilles Pijaudier-Cabot is Professor of Civil Engineering at Université de Pau et des Pays de l'Adour. His research interests cover quasi-brittle materials, concrete mechanics, computational failure models and durability mechanics.Christian La Borderie is Professor of Civil Engineering at Université de Pau et des Pays de l'Adour in France. His research interests cover computational failure models for the durability analysis of concrete structures.Thierry Reess is Associate Professor of Electrical Engineering at Université de Pau et des Pays de l'Adour in France. His research interests cover Pulsed Arc Electrical Discharges and their applications.Wen Chen is Associate Professor of Civil Engineering at the University of Lorraine in France. Her research interests cover the dynamic response of geomaterials.Olivier Maurel is Associate Professor of Civil Engineering at Université de Pau et des Pays de l'Adour in France. His research interests cover computational failure models for concrete structures.Franck Rey-Bethbeder is lead electrical engineer at Total Exploration Production.Antoine de Ferron is a research engineer at Université de Pau et des Pays de l'Adour in France. His research interests cover Pulsed Arc Electrical Discharges and their applications.

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• Preface viiIntroduction xiChapter 1 Experiments in a Representative Environment 11.1 Mechanical set-up 11.2 Pulsed arc electric generator 41.3 Material properties 61.4 Measurements of radical permeability 71.5 X-ray tomography 91.6 Results on model materials 101.7 Summary of the results on sandstone 171.8 Discussion 18Chapter 2 Computational Modeling of the Process: Principles 212.1 Pressure generated by the pulsed arc electrical discharge 222.2 Mechanical modeling of rocks under dynamic loads 292.3 Coupled effects between damage and permeability 412.4 Summary and conclusions 44Chapter 3 Validation of the Computational Model 473.1 Simulation of the experiments in uniaxial compression 473.2 Confined tests on hollow cylinders 523.3 Isotropic versus anisotropic permeability 673.4 Conclusions 68Chapter 4 Computations on Representative Reservoir Geometries 714.1 Effect of repeated shocks 724.2 Simulation on a typical reservoir geometry 754.3 Optimization of the process 79Concluding Remarks and Future Outlook 91Bibliography 97Index 103