1. What are the parameters that describe the properties of the pore system?2. Define the porosity?3. Porosity is independent on .. ?4. Porosity variation may be determined from. or . or . or ?5. What is the difference between primary porosity and secondary porosity?6. What is fracture porosity?7. What are the types of porosity? Explain.8. What are the factors which affect rock porosity (porosity is dependent on)?9. What are the process that reduce the porosity?10. Describe the porosity range?11. Define the permeability?12. Why permeability is important for petroleum engineer?13. What are the assumptions of Darcy experiment?14. What are the types of permeability?15. Define Fluid saturation?16. Hydrocarbon saturation in a reservoir is related to .. as well as .. and .. ?17. Define the compressibility?18. Explain the capillary effect?19. What is the difference between the surface tension and interfacial tension?20. Define the wettability? Explaining the case that the fluid will be wetting and noon wetting?21. What is the capillary effect ( capillary pressure)?22. Define and explain the concept of capillary pressure support your answer with simple drawing?23. What is the difference between drainage and imbibition?