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Geomechanics in CO2 Storage Facilities

Geomechanics in CO2 Storage Facilities by Gilles Pijaudier-Cabot
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Preface xi

PART 1. TRANSPORT PROCESSES  1

Chapter 1. Assessing Seal Rock Integrity for CO2 Geological Storage Purposes  3
Daniel BROSETA

1.1. Introduction 3

1.2. Gas breakthrough experiments in water-saturated rocks 6

1.3. Interfacial properties involved in seal rock integrity 9

1.3.1. Brine-gas IFT 9

1.3.2. Wetting behavior 10

1.4. Maximum bottomhole pressure for storage in a depleted hydrocarbon reservoir 12

1.5. Evidences for capillary fracturing in seal rocks 13

1.6. Summary and prospects 14

1.7. Bibliography 15

Chapter 2. Gas Migration through Clay Barriers in the Context of Radioactive Waste Disposal: Numerical Modeling of an In Situ Gas Injection Test  21
Pierre GÉRARD, Jean-Pol RADU, Jean TALANDIER, Rémi de La VAISSIÈRE, Robert CHARLIER and Frédéric COLLIN

2.1. Introduction 21

2.2. Field experiment description 23

2.3. Boundary value problem 26

2.3.1. 1D and 3D geometry and boundary conditions 26

2.3.2. Hydraulic model 27

2.3.3. Hydraulic parameters 28

2.4. Numerical results 29

2.4.1. 1D modeling 30

2.4.2. 3D modeling 34

2.5. Discussion and conclusions 37

2.6. Bibliography 39

Chapter 3. Upscaling Permeation Properties in Porous Materials from Pore Size Distributions  43
Fadi KHADDOUR, David GRÉGOIRE and Gilles PIJAUDIER-CABOT

3.1. Introduction 43

3.2. Assembly of parallel pores 44

3.2.1. Presentation 44

3.2.2. Permeability 45

3.2.3. Case of a sinusoidal multi-modal pore size distribution 47

3.3. Mixed assembly of parallel and series pores 48

3.3.1. Presentation 48

3.3.2. Permeability 49

3.4. Comparisons with experimental results 51

3.4.1. Electrical fracturing tests 51

3.4.2. Measurement of the pore size distribution 53

3.4.3. Model capabilities to predict permeability and comparisons with experiments 54

3.5. Conclusions 55

3.6. Acknowledgments 55

3.7. Bibliography 56

PART 2. FRACTURE, DEFORMATION AND COUPLED EFFECTS  57

Chapter 4. A Non-Local Damage Model for Heterogeneous Rocks – Application to Rock Fracturing Evaluation Under Gas Injection Conditions 59
Darius M. SEYEDI, Nicolas GUY, Serigne SY, Sylvie GRANET and François HILD

4.1. Introduction 60

4.2. A probabilistic non-local model for rock fracturing 61

4.3. Hydromechanical coupling scheme 63

4.4. Application example and results 66

4.4.1. Effect of Weibull modulus 70

4.5. Conclusions and perspectives 70

4.6. Acknowledgments 71

4.7. Bibliography 71

Chapter 5. Caprock Breach: A Potential Threat to Secure Geologic Sequestration of CO2 75
A.P.S. SELVADURAI

5.1. Introduction 75

5.2. Caprock flexure during injection 77

5.2.1. Numerical results for the caprock–geologic media interaction 81

5.3. Fluid leakage from a fracture in the caprock 85

5.3.1. Numerical results for fluid leakage from a fracture in the caprock 89

5.4. Concluding remarks 90

5.5. Acknowledgment 91

5.6. Bibliography 91

Chapter 6. Shear Behavior Evolution of a Fault due to Chemical Degradation of Roughness: Application to the Geological Storage of CO2 95
Olivier NOUAILLETAS, Céline PERLOT, Christian LA BORDERIE, Baptiste ROUSSEAU and Gérard BALLIVY

6.1. Introduction 96

6.2. Experimental setup 97

6.3. Roughness and chemical attack 99

6.4. Shear tests 103

6.5. Peak shear strength and peak shear displacement: Barton’s model 107

6.6. Conclusion and perspectives 112

6.7. Acknowledgment 113

6.8. Bibliography 113

Chapter 7. CO2 Storage in Coal Seams: Coupling Surface Adsorption and Strain 115
Saeid NIKOOSOKHAN, Laurent BROCHARD, Matthieu VANDAMME, Patrick DANGLA, Roland J.-M. PELLENQ, Brice LECAMPION and Teddy FEN-CHONG

7.1. Introduction 115

7.2. Poromechanical model for coal bed reservoir 116

7.2.1. Physics of adsorption-induced swelling of coal 116

7.2.2. Assumptions of model for coal bed reservoir 118

7.2.3. Case of coal bed reservoir with no adsorption 118

7.2.4. Derivation of constitutive equations for coal bed reservoir with adsorption 120

7.3. Simulations 122

7.3.1. Simulations at the molecular scale: adsorption of carbon dioxide on coal 122

7.3.2. Simulations at the scale of the reservoir 124

7.3.3. Discussion 127

7.4. Conclusions 128

7.5. Bibliography 129

PART 3. AGING AND INTEGRITY 133

Chapter 8. Modeling by Homogenization of the Long-Term Rock Dissolution and Geomechanical Effects 135
Jolanta LEWANDOWSKA

8.1. Introduction 135

8.2. Microstructure and modeling by homogenization 136

8.3. Homogenization of the H-M-T problem 138

8.3.1. Formulation of the problem at the microscopic scale 138

8.3.2. Asymptotic developments method 142

8.3.3. Solutions 143

8.3.4. Summary of the macroscopic “H-M-T model” 148

8.4. Homogenization of the C-M problem 148

8.4.1. Formulation of the problem at the microscopic scale 148

8.4.2. Homogenization 150

8.4.3. Summary of the macroscopic “C-M model” 151

8.5. Numerical computations of the time degradation of the macroscopic rigidity tensor 152

8.5.1. Definition of the problem 152

8.5.2. Results and discussion 154

8.6. Conclusions 158

8.7. Acknowledgment 160

8.8. Bibliography 160

Chapter 9. Chemoplastic Modeling of Petroleum Cement Paste under Coupled Conditions 163
Jian Fu SHAO, Y. JIA, Nicholas BURLION, Jeremy SAINT-MARC and Adeline GARNIER

9.1. Introduction 163

9.2. General framework for chemo-mechanical modeling 164

9.2.1. Phenomenological chemistry model 166

9.3. Specific plastic model for petroleum cement paste 169

9.3.1. Elastic behavior 169

9.3.2. Plastic pore collapse model 170

9.3.3. Plastic shearing model 172

9.4. Validation of model 174

9.5. Conclusions and perspectives 178

9.6. Bibliography 179

Chapter 10. Reactive Transport Modeling of CO2 Through Cementitious Materials Under Supercritical Boundary Conditions  181
Jitun SHEN, Patrick DANGLA and Mickaël THIERY

10.1. Introduction 181

10.2. Carbonation of cement-based materials 183

10.2.1. Solubility of the supercritical CO2 in the pore solution 183

10.2.2. Chemical reactions 184

10.2.3. Carbonation of CH 185

10.2.4. Carbonation of C-S-H 187

10.2.5. Porosity change 190

10.3. Reactive transport modeling 191

10.3.1. Field equations 191

10.3.2. Transport of the liquid phase 194

10.3.3. Transport of the gas phase 194

10.3.4. Transport of aqueous species 196

10.4. Simulation results and discussion 196

10.4.1. Sandstone-like conditions 197

10.4.2. Limestone-like conditions 198

10.4.3. Study of CO2 concentration and initial porosity 199

10.4.4. Supercritical boundary conditions 201

10.5. Conclusion 204

10.6. Acknowledgment 205

10.7. Bibliography 205

Chapter 11. Chemo-Poromechanical Study of Wellbore Cement Integrity 209
Jean-Michel PEREIRA and Valérie VALLIN

11.1. Introduction 209

11.2. Poromechanics of cement carbonation in the context of CO2 storage 210

11.2.1. Context and definitions 210

11.2.2. Chemical reactions 214

11.2.3. Chemo-poromechanical behaviour 217

11.2.4. Balance equations 221

11.3. Application to wellbore cement 222

11.3.1. Description of the problem 222

11.3.2. Initial state and boundary conditions 223

11.3.3. Illustrative results 223

11.4. Conclusion 227

11.5. Acknowledgments 227

11.6. Bibliography 227

List of Authors 229

Index  000

Wiley; January 2013
ISBN 9781118577455
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Title: Geomechanics in CO2 Storage Facilities
Author: Gilles Pijaudier-Cabot; Jean-Michel Pereira
 
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