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CHBE 571 Flow and Transport in Porous Media I Geology, Chemistry and Physics of Fluid Transport

CHBE 571 Flow and Transport in Porous Media I Geology, Chemistry and Physics of Fluid Transport. 4:00-5:30 PM M&W with make-up on Friday . Syllabus. Chapter 1 Subsurface Macro Structure Depositional environments Alterations Chapter 2 Subsurface Micro Structure

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CHBE 571 Flow and Transport in Porous Media I Geology, Chemistry and Physics of Fluid Transport

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  1. CHBE 571 Flow and Transport in Porous Media IGeology, Chemistry and Physics of Fluid Transport 4:00-5:30 PM M&W with make-up on Friday

  2. Syllabus • Chapter 1 Subsurface Macro Structure • Depositional environmentsAlterations • Chapter 2 Subsurface Micro Structure • Rock and soil minerals DiagenesisMorphology of the pore spaceMineral surface chemistry • Chapter 3 Rock Properties • Grain size distribution Pore shape Pore size distribution Surface area Porosity Effect of stressPermeability

  3. Syllabus • Chapter 4 Volumetric Flux: Darcy's Law • D' Arcy's original experiments Flow potential Permeability tensor Permeability micro-heterogeneity Permeability anisotropy Darcy's law from momentum balance Non darcy flow • Chapter 5 Multiphase Pore Fluid Distribution • Capillarity Nonwetting phase trapping Hysteresis Capillary desaturation Normalized saturation for relative permeability and capillary pressure Relative permeability models Three phase relative permeability Measurement methods • Chapter 6 Conservation Equations for Multiphase-Multicomponent Flow Through Porous Media • Fluxes in isothermal flow Mass balance Definitions and constitutive equations for isothermal flow Special cases Overall material balance

  4. Syllabus • Chapter 7 Two Phase, One Dimensional Displacement • Dimensionless and normalized variables Trajectories in distance-time space Definition of waves Mass balance across shock Average saturation and recovery efficiency Effect of gravity on displacement Relation between mobility ratio and gravity number on displacement Gravity drainage Interference of waves • Chapter 8 1-D, Multiphase-Multicomponent Displacement • Overall Concentration and Fractional Flow Differential Equations Concepts Concentration Velocities in Multicomponent Systems Self-Similar Solutions Example with Two Dependent Variables Shock CO2 + Decane System Surfactant Flooding • Chapter 9 Ion Exchange with Clays • Equilibrium and Electroneutrality Relations Relationship between Composition of Electrolyte Solution and of Clays Ion Exchange Waves Calculation of Route, Profile, and HistoryIon Exchange with Surfactant and Clays

  5. Subsurface Macro Structure Depositional Environments Fundamental Mechanism for Grain Size Sorting Eolian Deposits Glacial Sediments Alluvial Fans Fluvial or River Deposits Delta Sedimentation Barrier Islands Continental Shelf and Slope Submarine Canyons and Turbidites

  6. Facies • igneous • metamorphic • sedimentary • carbonate facies • shaly facies • sandstone facies • deltaic facies • turbidite facies • deep water facies; pelagic sediments • Siliceous ooze • Calcareous ooze • Marine clay • evaporite facies

  7. Depositional Environments

  8. Fundamental Mechanism for Grain Size Sorting Stokes Law Re < 1

  9. Eolian Deposits

  10. Glacial Sediments

  11. Alluvial Fans

  12. Fluvial or River Deposits

  13. Schematic representation of a fining-upward sequence deposited in a meandering river

  14. Delta Sedimentation

  15. Fluvial channel sand in clay-rich delta

  16. Barrier Islands

  17. Continental Shelf and Slope

  18. Turbidite Formations

  19. Bouma model for turbidites

  20. Vertical sequence through a submarine fan

  21. Carbonate Facies

  22. Carbonate Facies in a Reef

  23. Alterations (Macroscopic) Compaction Buoyancy Fracturing Faulting

  24. Buoyancy

  25. Fracturing

  26. Faulting

  27. Stratigraphy structure map Cross sections

  28. Lithostratigraphic column through the Dan Field

  29. Asg. 1.1 Subsurface migration of DNAPL Attached is a contour map of the aquitard (confining formation at the base of an aquifer at Operable Unit No. 2 in Hill Air Force Base in Utah. The ground level is approximately 4694 ft. The water table is seasonal and can vary from 20 to 30 ft below the ground surface. Disposal trenches in the vicinity of U2-33 was used to dispose unknown quantities of trichloroethylene (TCE) bottoms from the solvent recovery unit and sludge from the vapor degreasers from 1967 to 1975. Dense nonaqueous phase liquid (DNAPL) has been found in a number of wells and borings. Suppose 6 ft of DNAPL was discovered in U2-635. Shade in the areas of the contour map where pools of DNAPL can be expected to be pooled. Also using the attached graph, prepare a plot of a cross-section along the deepest part of the channel. Plot the following: (1) elevation of the aquitard, (2) elevation of the expected DNAPL pools, and (3) location of wells along the deepest part of the channel where DNAPL is expected. Shade the intervals expected to be saturated by DNAPL in these wells.

  30. Permeability and DNAPL Saturation Logs

  31. Geologic Time Scale

  32. Seismic Stratigraphy

  33. Hydrogeology

  34. Ground Water

  35. Migration and Accumulation of Hydrocarbon

  36. Migration and Accumulation of Hydrocarbon

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