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Land and Water Seminar Series Perth

CSIRO Land and Water free public seminars in Perth.

  • 4 April 2012 | Updated 12 October 2012

Multiphase flow in rocks and soils: structure, experiments and modelling

Presenter: Dr Kirill M Gerke, CSIRO Land and Water
Date: Thursday 25 October 2012
Time: 3:30 pm


This talk addresses key structural (e.g. pore shape and size) and physicochemical (e.g. permeability) properties and their interrelationships for different natural and artificial porous media.

There are numerous ways to obtain quantitative information about porous material structure, with analysis of 2D thin-sectioning cuts being the oldest and most frequently used method. More recent techniques such as confocal microscopy and X-ray micro-tomography generate 3D structural information and can be utilized for so-called micro-scale/pore-scale modelling. Such 3D images may also be generated through statistical reconstruction using 2D cut(s) or other structural data (e.g. grain size distribution).

There is great benefit in measuring micro-scale 2D/3D structural information for it allows direct estimation of physicochemical properties using numerical modelling. Typical models include those based on the Navier-Stokes equation and its simplified FEM or FDM numerical solution schemes, lattice-Boltzmann methods, pore-network models, and statistical methods using correlation functions and homogenization theory.

In this presentation Dr Gerke will review such methods and provide numerous examples from petrophysics (oil reservoir rocks), soil science, hydrology, and material science (ceramics).

About the speaker

Dr Gerke joined CSIRO Land and Water's Groundwater Hydrology Program in August 2012 as a postdoctoral researcher. His main research interests are multiphase flow pore-scale modelling, quantifying structure of heterogeneous porous materials, measuring and modelling core-scale and field-scale preferential flow, studying interfaces between different phases (solid/liquid/gas) in terms of surface and wettability effects, and statistical physics.

Dr Gerke has expertise in the application of pore-network models for two-phase flow simulations in different types of rocks and soils, classical and fluorescent staining tracers for preferential flow paths visualization, and quantification and reconstruction of heterogeneous porous materials using different statistical measures. His research has been applied to oil and gas reservoir petrophysical modelling of rock and shale properties, material science (ceramics), hydrology and soil science (soil structure and physical properties prediction), and geothermally induced rock alterations.

This event is free of charge.

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