Geomechanics in CO Storage Facilities

Title Page
Contents
Preface
PART 1. TRANSPORT PROCESSES
	Chapter 1. Assessing Seal Rock Integrity for CO2 Geological Storage Purposes
		1.1. Introduction
		1.2. Gas breakthrough experiments in water-saturated rocks
		1.3. Interfacial properties involved in seal rock integrity
			1.3.1. Brine-gas IFT
			1.3.2. Wetting behavior
		1.4. Maximum bottomhole pressure for storage in a depleted hydrocarbon reservoir
		1.5. Evidences for capillary fracturing in seal rocks
		1.6. Summary and prospects
		1.7. Bibliography
	Chapter 2. Gas Migration through Clay Barriers in the Context of Radioactive Waste Disposal: Numerical Modeling of an In Situ Gas Injection Test
		2.1. Introduction
		2.2. Field experiment description
		2.3. Boundary value problem
			2.3.1. 1D and 3D geometry and boundary conditions
			2.3.2. Hydraulic model
			2.3.3. Hydraulic parameters
		2.4. Numerical results
			2.4.1. 1D modeling
			2.4.2. 3D modeling
		2.5. Discussion and conclusions
		2.6. Bibliography
	Chapter 3. Upscaling Permeation Properties in Porous Materials from Pore Size Distributions
		3.1. Introduction
		3.2. Assembly of parallel pores
			3.2.1. Presentation
			3.2.2. Permeability
			3.2.3. Case of a sinusoidal multi-modal pore size distribution
		3.3. Mixed assembly of parallel and series pores
			3.3.1. Presentation
			3.3.2. Permeability
		3.4. Comparisons with experimental results
			3.4.1. Electrical fracturing tests
			3.4.2. Measurement of the pore size distribution
			3.4.3. Model capabilities to predict permeability and comparisons with experiments
		3.5. Conclusions
		3.6. Acknowledgments
		3.7. Bibliography
PART 2. FRACTURE, DEFORMATION AND COUPLED EFFECTS
	Chapter 4. A Non-Local Damage Model for Heterogeneous Rocks – Application to Rock Fracturing Evaluation Under Gas Injection Conditions
		4.1. Introduction
		4.2. A probabilistic non-local model for rock fracturing
		4.3. Hydromechanical coupling scheme
		4.4. Application example and results
			4.4.1. Effect of Weibull modulus
		4.5. Conclusions and perspectives
		4.6. Acknowledgments
		4.7. Bibliography
	Chapter 5. Caprock Breach: A Potential Threat to Secure Geologic Sequestration of CO2
		5.1. Introduction
		5.2. Caprock flexure during injection
			5.2.1. Numerical results for the caprock–geologic media interaction
		5.3. Fluid leakage from a fracture in the caprock
			5.3.1. Numerical results for fluid leakage from a fracture in the caprock
		5.4. Concluding remarks
		5.5. Acknowledgment
		5.6. Bibliography
	Chapter 6. Shear Behavior Evolution of a Fault due to Chemical Degradation of Roughness: Application to the Geological Storage of CO2
		6.1. Introduction
		6.2. Experimental setup
		6.3. Roughness and chemical attack
		6.4. Shear tests
		6.5. Peak shear strength and peak shear displacement: Barton’s model
		6.6. Conclusion and perspectives
		6.7. Acknowledgment
		6.8. Bibliography
	Chapter 7. CO2 Storage in Coal Seams: Coupling Surface Adsorption and Strain
		7.1. Introduction
		7.2. Poromechanical model for coal bed reservoir
			7.2.1. Physics of adsorption-induced swelling of coal
			7.2.2. Assumptions of model for coal bed reservoir
			7.2.3. Case of coal bed reservoir with no adsorption
			7.2.4. Derivation of constitutive equations for coal bed reservoir with adsorption
		7.3. Simulations
			7.3.1. Simulations at the molecular scale: adsorption of carbon dioxide on coal
			7.3.2. Simulations at the scale of the reservoir
			7.3.3. Discussion
		7.4. Conclusions
		7.5. Bibliography
PART 3. AGING AND INTEGRITY
	Chapter 8. Modeling by omogenization of the Long erm Rock Dissolution and eomechanical Effects
		8.1. Introduction
		8.2. Microstructure and modeling by homogenization
		8.3. Homogenization of the H-M-T problem
			8.3.1. Formulation of the problem at the microscopic scale
			8.3.2. Asymptotic developments method
			8.3.4. Summary of the macroscopic “H-M-T model”
		8.4. Homogenization of the C-M problem
			8.4.1. Formulation of the problem at the microscopic scale
			8.4.2. Homogenization
			8.4.3. Summary of the macroscopic “C-M model”
		8.5. Numerical computations of the time degradation of the macroscopic rigidity tensor
			8.5.1. Definition of the problem
			8.5.2. Results and discussion
		8.6. Conclusions
		8.7. Acknowledgment
		8.8. Bibliography
	Chapter 9. Chemoplastic Modeling of Petroleum Cement Paste under Coupled Conditions
		9.1. Introduction
		9.2. General framework for chemo-mechanical modeling
			9.2.1. Phenomenological chemistry model
		9.3. Specific plastic model for petroleum cement paste
			9.3.1. Elastic behavior
			9.3.2. Plastic pore collapse model
			9.3.3. Plastic shearing model
		9.4. Validation of model
		9.5. Conclusions and perspectives
		9.6. Bibliography
	Chapter 10. Reactive Transport Modeling of CO2 Through Cementitious Materials Under Supercritical Boundary Conditions
		10.1. Introduction
		10.2. Carbonation of cement-based materials
			10.2.1. Solubility of the supercritical CO2 in the pore solution
			10.2.2. Chemical reactions
			10.2.3. Carbonation of CH
			10.2.4. Carbonation of C-S-H
			10.2.5. Porosity change
		10.3. Reactive transport modeling
			10.3.1. Field eq
			10.3.2. Transport of the liquid phase
			10.3.3. Transport of the gas phase
			10.3.4. Transport of aqueous species
		10.4. Simulation results and discussion
			10.4.1. Sandstone-like co
			10.4.2. Limestone-like conditions
			10.4.3. Study of CO2 concentration and initial porosity
			10.4.4. Supercritical boundary conditions
		10.5. Conclusion
		10.6. Acknowledgment
		10.7. Bibliography
	Chapter 11. Chemo-Poromechanical Study of Wellbore Cement Integrity
		11.1. Introduction
		11.2. Poromechanics of cement carbonation in the context of CO2 storage
			11.2.1. Context and definitions
			11.2.2. Chemical reactions
			11.2.3. Chemo-poromechanical behaviour
			11.2.4. Balance equations
		11.3. Application to wellbore cement
			11.3.1. Description of the problem
			11.3.2. Initial state and boundary conditions
			11.3.3. Illustrative results
		11.4. Conclusion
		11.5. Acknowledgments
		11.6. Bibliography
List of Authors
Index