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Table of contents
1. Introduction
1. Chapter I : General features & literature review
1.1. Porous media
1.2. Flow in porous media
1.2.1. Pore scale
1.2.2. Local scale
1.3. Miscible flows
1.3.1. Molecular diffusion
1.3.2. Dispersion
1.4. Diphasic flows
1.4.1. Concept of saturation
1.5. Interfacial tension and wettability
1.5.1. Wettability measurement
1.5.2. Influence of ageing of rock in contact with oil on the wettability
1.5.3. Generalized Darcy’s model
1.5.4. Capillary pressure
1.5.5. Relative permeability hysteresis
1.5.6. Parameters that influence wettability
1.5.7. Wettability of porous media
1.6. Polymer
1.6.1. Conformation of polymers in solution state
1.6.2. Entanglement concentration
1.6.3. Viscosity of polymer solutions
1.7. Polymer at the surface
1.7.1. Adsorption from quiescent solution
1.8. Polymer solution in Porous medium
1.8.1. Mechanical entrapment
1.8.2. Hydrodynamic retention
1.8.3. Polymer adsorption
2. Chapter II: Experimental Study
2.1. Porous media
2.2. Brine
2.3. Polymer
2.3.1. Polymer solution
2.4. Experimental setup
2.5. Experimental equipment
2.5.1. Pressure transducers
2.5.2. Pumps
2.5.3. Spectrophotometer
2.5.4. TOC-L/TNM-L
2.6. Experimental procedure
2.6.1. Characterization of porous media
2.6.2. Monophasic experimental procedure
2.6.3. Diphasic experimental procedure
3 Chapter III – Results and Discussion
3.1 Composition of brine
3.2 Viscosity of polymer solutions
3.2.1 Influence of concentration on viscosity
3.3 Characterization of porous media
3.3.1 Porosity, pore volume and homogeneity of PM
3.3.2 Permeability
3.4 Monophasic experiments
3.4.1 Polymer flooding
3.4.2 Mobility reduction
3.4.3 Brine flush
3.4.4 Permeability reduction
3.4.5 Second polymer flooding
3.4.6 The retention of polymer
3.4.7 Inaccessible pore volume
3.5 Diphasic experiments: Water-wet condition
3.5.1 Oil drainage
3.5.2 Waterflooding
3.5.3 Dispersion test in diphasic
3.5.4 Polymer flooding
3.5.5 Mobility reduction
3.5.6 Brine flush and permeability reduction
3.5.7 Second polymer injection
3.5.8 Retention of polymer
3.5.9 IPV
3.6 Diphasic experiments: Altered wettability porous media
3.6.1 Permeability to oil after ageing
3.6.2 Waterflooding
3.6.3 Polymer flooding
3.6.4 Retention of polymer
4. Chapter IV: Conclusions and perspectives
5. Nomenclature
6. Bibliography
7. Appendix A
8. Appendix B
