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Table of contents
Chapter 1. Bibilographical review
1.1. General characteristics of shales
1.2. Methods of shale pore space characterization
1.2.1. Sample preparation
1.2.2. Mercury intrusion porosimetry
1.2.3. Gas adsorption methods
1.2.4. Nuclear magnetic resonance spectroscopy
1.2.5. Small angle scattering techniques (SANS/USANS)
1.2.6. Thermal analysis
1.3. Imaging techniques
1.3.1. Representativity
1.3.2. Sample preparation
1.3.3. Autoradiography
1.3.4. X-Ray tomography
1.3.5. Scanning electron microscopy
1.3.6. Transmission electron microscopy/scanning transmission electron microscopy (TEM/STEM)
1.3.7. Imaging acquisition and data treatment
1.4. Combination of methods for pore space characterization – role of the organic matter maturity
Chapter 2. Materials and methods
2.1. Materials
2.1.1. Geological settings of the basin
2.1.2. Core sampling
2.2. Methods
2.2.1. X-Ray μtomography 3D localized subsampling
2.2.2. Mineral composition
2.2.3. Thermal analysis
2.2.4. Total porosity calculation
2.2.5. Sample impregnation
2.2.6. Sample surface preparation
2.2.7. Autoradiography
2.2.8. Mercury intrusion porosimetry
2.2.9. Nitrogen adsorption
2.2.10. Nuclear magnetic resonance spectroscopy
2.2.11. Scanning electron microscopy
2.2.12. Image denoizing
Chapter 3. Combination of bulk and imaging techniques
3.1. Correlative coupling of imaging and bulk techniques for quantitative pore network analysis of unconventional shale reservoirs: Vaca Muerta formation, Neuquén basin, Argentina
3.2. Additional measurements on VM samples
3.2.1. Mineral composition
3.2.2. Thermal analysis
3.2.3. Total porosity estimation
3.2.4. Nuclear magnetic resonance spectroscopy
3.2.5. Mercury intrusion porosimetry
3.2.6. Nitrogen adsorption
3.2.7. Autoradiography porosity maps
3.3. Correlation of autoradiography result with bulk measurements
Chapter 4 Multiscale correlation of minerals and porosity distribution
4.1. Integrated multiscale approach
4.2. Correlation of porosity and mineralogy at the core scale (cm-dm)
4.3. Large field mineral mapping from SEM-BSE mosaics
4.3.1. Mosaic reconstruction from individual tiles
4.3.2. Mineral mapping
4.4. 2D correlation of porosity and mineralogy at the grain/small lamina scales (cm-nm)
General conclusions and perspectives
