Associate Prof Adrian Sheppard

Research School of Physics and Engineering
 +61 2 6125 8516

Profile

Biography

 Areas of expertise

  • Surfaces And Structural Properties Of Condensed Matter
  • Petroleum And Reservoir Engineering
  • Composite And Hybrid Materials
  • Condensed Matter Imaging
  • Classical And Physical Optics
  • Condensed Matter Modelling And Density Functional Theory
  • Geophysics
  • Applied Mathematics
  • Image Processing
  • Pattern Recognition And Data Mining
  • Fluid Physics
  • Carbon Sequestration Science 

Research

Research interests

  • Parallel algorithms and improved techniques for 3D image processing, segmentation and morphological analysis
  • Characterisation of complex structures, particularly by skeletonisation, partitioning and network representations
  • Disordered networks and granular materials
  • Network modelling of drainage and imbibition in porous media
  • Improved techniques in X-ray microtomography 

Publications

Prodanovic M, Mehmani A, Sheppard A
Image-based multiscale network modelling of microporosity in carbonates
Fundamental Controls on Fluid Flow in Carbonates: Current Workflows to Emerging Technologies
Geological Society of London, London (2015) 95-113

Kumar M, Lebedeva E, Madadi M, Sheppard A, Varslot T, Kingston A, Latham S, Sok R, Sakellariou A, Arns C, Senden T, Knackstedt M, Melean Y
Micro-petrophysical Experiments via Tomography and Simulation: Micro-Petrophysical experiments
Advances in Computed Tomography for Geomaterials: GeoX 2010
John Wiley & Sons Inc., USA (2010) 333-349

Saadatfar M, Sheppard A, Knackstedt M
Grain partitioning and its applications
Advances in X-ray tomography for geomaterials
ISTE Publishing Knowledge, London (2006) 269-276

Journal article

Botha P, Sheppard A
Mapping permeability in low-resolution micro-CT images: A multiscale statistical approach
Water Resources Research 52, 6(2016) 4377-4398

Robins V, Saadatfar M, Delgado Friedrich O, Sheppard A
Percolating length scales from topological persistence analysis of micro-CT images of porous materials
Water Resources Research 52, 1(2016) 315-329

Herring A, Sheppard A, Andersson L, Wildenschild D
Impact of wettablility alteration on 3D nonwetting phase trapping and transport
International Journal of Greenhouse Gas Control 46(2016) 175-186

Herring A, Middleton J, Walsh R, Kingston A, Sheppard A
Flow rate impacts on capillary pressure and interface curvature of connected and disconnected fluid phases during multiphase flow in sandstone
Advances in Water Resources (2016) In Press

Palamara D, Neeman T, Golab A, Sheppard A
A statistical analysis of the effects of pressure, temperature and salinity on contact angles in CO2-brine-quartz systems
International Journal of Greenhouse Gas Control 42(2015) 516-524

Li H, Kingston A, Myers G, Recur B, Sheppard A
3D X-Ray Source Deblurring in High Cone-Angle Micro-CT
IEEE Transactions on Nuclear Science 62, 5(2015) 2075-2084

Myers G, Geleta M, Kingston A, Recur B, Sheppard A
Bayesian approach to time-resolved tomography
Optics Express 23, 15(2015) 20062-20074

Herring A, Andersson L, Schlüter S, Sheppard A, Wildenschild D
Efficiently engineering pore-scale processes: The role of force dominance and topology during nonwetting phase trapping in porous media
Advances in Water Resources 79(2015) 91-102

Herring A, Andersson L, Schlüter S, Sheppard A, Wildenschild D
Efficiently engineering pore-scale processes: The role of force dominance and topology during nonwetting phase trapping in porous media
Advances in Water Resources 79(2015) 91-102

Delgado Friedrich O, Robins V, Sheppard A
Skeletonization and Partitioning of Digital Images Using Discrete Morse Theory
IEEE Transactions on Pattern Analysis and Machine Intelligence 37, 3(2015) 654-666

Sheppard A, Latham S, Middleton J, Kingston A, Myers G, Varslot T, Fogden A, Sawkins T, Cruikshank R, Saadatfar M, Francois N, Arns C, Senden T
Techniques in helical scanning, dynamic imaging and image segmentation for improved quantitative analysis with X-ray micro-CT
Nuclear Instruments and Methods in Physics Research: Section B 324(2014) 49-56

Schlueter S, Sheppard A, Brown K, Wildenschild D
Image processing of multiphase images obtained via X-ray microtomography: A review
Water Resources Research 50, 4(2014) 3615-3639

Parvanian A, Saadatfar M, Panjepour M, Kingston A, Sheppard A
The effects of manufacturing parameters on geometrical and mechanical properties of copper foams produced by space holder technique
Materials and Design 53, January 2014(2014) 681-690

Brown K, Schlueter S, Sheppard A, Wildenschild D
On the Challenges of Measuring Interfacial Characteristics of Three-Phase Fluid Flow with X-Ray Microtomography
Journal of Microscopy 253, 3(2014) 171-182

Saadatfar M, Francois N, Arad A, Madadi M, Sheppard A, Senden T, Knackstedt M
Grain-based characterisation and acoustic wave propagation in a sand packing subject to triaxial compression
AIP Conference Proceedings 1542, 571(2013) 571-574

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Herring A, Harper E, Andersson L, Sheppard A, Bay B, Wildenschild D
Effect of fluid topology on residual nonwetting phase trapping: Implications for geologic CO2 sequestration
Advances in Water Resources 63(2013) 47-58

Wildenschild D, Sheppard A
X-ray imaging and analysis techniques for quantifying pore-scale structure and processes in subsurface porous medium systems
Advances in Water Resources 51(2013) 217-246

Francois N, Saadatfar M, Hanifpour M, Cruikshank R, Sheppard A
Crystallisation in a granular material
AIP Conference Proceedings 1542(2013) 369-372

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Herring A, Harper E, Andersson L, Sheppard A, Bay B, Wildenscheid D
Effect of fluid topology on residual nonwetting phase trapping: Implications for geologic CO2 sequestration
Advances in Water Resources 62(2013) 47-58

Francois N, Saadatfar M, Cruikshank R, Sheppard A
Geometrical Frustration in Amorphous and Partially Crystallized Packings of Spheres
Physical Review Letters 111, 14(2013) 148001-05

Derluyn H, Griffa M, Mannes D, Jerjen I, Dewanckele J, Vontobel P, Sheppard A, Derome D, Cnudde V, Lehmann E, Carmeliet J
Characterizing saline uptake and salt distributions in porous limestone with neutron radiography and X-ray micro-tomography
Journal of Building Physics 36, 4(2013) 353-374

Saadatfar M, Sheppard A, Senden T, Kabla A
Mapping forces in a 3D elastic assembly of grains
Journal of the Mechanics and Physics of Solids 60(2012) 55-66

Saadatfar M, Mukherjee M, Madadi M, Schroder-Turk G, Garcia-Moreno F, Schaller F, Hutzler S, Sheppard A, Banhart J, Ramamurty U
Structure and deformation correlation of closed-cell aluminium foam subject to uniaxial compression
Acta Materialia 60, 16(2012) 5944-5944

Myers G, Varslot T, Kingston A, Herring A, Sheppard A
Ground-truth verification of dynamic x-ray micro-tomography images of fluid displacement
Proceedings of SPIE - International Society for Optical Engineering 8506(2012) 7

Myers G, Varslot T, Kingston A, Herring A, Sheppard A
Ground-truth verification of dynamic x-ray micro-tomography images of fluid displacement
Proceedings of SPIE - International Society for Optical Engineering 8506(2012) 85060P

Singh K, Niven R, Senden T, Turner M, Sheppard A, Middleton J, Knackstedt M
Remobilization of Residual Non-Aqueous Phase Liquid in Porous Media by Freeze - Thaw Cycles
Environmental Science and Technology 45, 8(2011) 3473-3478

Varslot T, Kingston A, Myers G, Sheppard A
High-resolution helical cone-beam micro-CT with theoretically-exact reconstruction from experimental data
Medical Physics 38, 10(2011) 5459-5476

Robins V, Wood P, Sheppard A
Theory and Algorithms for Constructing Discrete Morse Complexes from Grayscale Digital Images
IEEE Transactions on Pattern Analysis and Machine Intelligence 33, 8(2011) 1646-1658

Kingston A, Sakellariou A, Varslot T, Myers G, Sheppard A
Reliable automatic alignment of tomographic projection data by passive auto-focus
Medical Physics 38, 9(2011) 4934-4945

Myers G, Kingston A, Varslot T, Turner M, Sheppard A
Dynamic tomography with a priori information
Applied Optics 50, 20(2011) 3685-3690

Kumar M, Senden T, Sheppard A, Arns C, Knackstedt M
Probing the archie's exponent under variable saturation conditions
Petrophysics 52, 2(2011) 124-134

Myers G, Kingston A, Varslot T, Sheppard A
Extending reference scan drift correction to high-magnification high-cone-angle tomography
Optics Letters 36, 24(2011) 4809-4811

Sakellariou A, Kingston A, Varslot T, Sheppard A, Latham S, Sok R, Arns C, Senden T, Knackstedt M
Tomographic image analysis and processing to simulate micro-petrophysical experiments
Proceedings of SPIE - Progress in Biomedical Optics and Imaging 7804(2010) 9

Olafuyi A, Sheppard A, Arns C, Sok R, Cinar Y, Knackstedt M, Pinczewski W
Experimental Verification of Effect of Size on Drainage Capillary Pressure Computed from Digitized Tomographic Images
International Journal of Engineering Research in Africa 1(2010) 1-10

Varslot T, Kingston A, Sheppard A, Sakellariou A
Fast high-resolution micro-CT with exact reconstruction methods
Proceedings of SPIE - Progress in Biomedical Optics and Imaging 7804(2010) Article number 780413

Kumar M, Sok R, Knackstedt M, Latham S, Senden T, Sheppard A, Varslot T, Arns C
Mapping 3D Pore Scale Fluid Distributions: How Rock Resistivity is Influenced by Wettability and Saturation History
Petrophysics 51, 2(2010) 102-117

Kingston A, Sakellariou A, Sheppard A, Varslot T, Latham S
An auto-focus method for generating sharp 3D tomographic images
Proceedings of SPIE - Progress in Biomedical Optics and Imaging 7804(2010) Article number 78040J

Saadatfar M, Garcia-Moreno F, Hutzler S, Sheppard A, Knackstedt M, Banhar J, Weaire D
Imaging of metallic foams using X-ray micro-CT
Colloids and Surfaces A: Physicochemical and Engineering Aspects 344(2009) 107-112

Saadatfar M, Garcia-Moreno F, Hutzler S, Sheppard A, Knackstedt M, Banhart J, Weaire D
Imaging of metallic foams using X-ray micro-CT
Colloids and Surfaces A: Physicochemical and Engineering Aspects 344(2009) 107-112

Jones A, Arns C, Hutmacher D, Milthorpe B, Sheppard A, Knackstedt M
The correlation of pore morphology, interconnectivity and physical properties of 3D ceramic scaffolds with bone ingrowth
Biomaterials 30, 7(2009) 1440-1451

Kumar M, Senden T, Knackstedt M, Latham S, Pinczewski W, Sok R, Sheppard A, Turner M
Imaging of Pore Scale Distribution of fluids and Wettability
Petrophysics 50, 4(2009) 311-321

Caubit C, Hamon G, Sheppard A, Oren P
Evaluation Of The Reliability of Prediction of Petrophysical Data Through Imagery and Pore Network Modelling
Petrophysics 50, 4(2009) 322-334

Scheel M, Seemann R, Brinkmann M, Di Michiel M, Sheppard A, Breidenbach B, Herminghaus S
Morphological clues to wet granular pile stability
Nature Materials 7, 3(2008) 189-193

Scheel M, Seemann R, Brinkmann M, Di Michiel M, Sheppard A, Herminghaus S
Liquid distribution and cohesion in wet granular assemblies beyond the capillary bridge regime
Journal of Physics: Condensed Matter 20(2008) 494236

Mickel W, Muenster S, Jawerth L, Vader D, Weitz D, Sheppard A, Mecke K, Fabry B, Schroeder-Turk G
Robust Pore Size Analysis of Filamentous Networks from Three-Dimensional Confocal Microscopy
Biophysical Journal 95, 12(2008) 6072-6080

Sakellariou A, Arns C, Sheppard A, Sok R, Averdunk H, Limaye A, Jones A, Senden T, Knackstedt M
Developing a virtual materials laboratory
Materials Today 10, 12(2007) 44-51

Mahmud W, Arns J, Sheppard A, Knackstedt M, Pinczewski W
Effect of network topology on two-phase imbibition relative permeability
Transport in Porous Media 66, 3(2007) 481-493

Jones A, Arns C, Sheppard A, Hutmacher D, Milthorpe B, Knackstedt M
Assessment of bone ingrowth into porous biomaterials using MICRO-CT
Biomaterials 28(2007) 2491-2504

Sheppard A, Arns C, Sakellariou A, Senden T, Sok R, Averdunk H, Saadatfar M, Limaye A, Knackstedt M
Quantitative properties of complex porous materials calculated from X-ray CT images
Proceedings of SPIE - Progress in Biomedical Optics and Imaging 7, 38(2006) 631811/1-15

Nguyen V, Sheppard A, Knackstedt M, Pinczewski W
The effect of displacement rate on imbibition relative permeability and residual saturation
Journal of Petroleum Science and Engineering 52(2006) 54-70

Goel A, Arns C, Holmstad R, Gregersen O, Bauget F, Averdunk H, Sok R, Sheppard A, Knackstedt M
Analysis of the impact of papermaking variables on the structure and transport properties of paper samples by X-ray microtomography
Journal of Pulp and Paper Science 32, 3(2006) 1-12

Knackstedt M, Arns C, Saadatfar M, Senden T, Limaye A, Limaye A, Sakellariou A, Sheppard A, Sok R, Schrof W, Steininger H
Elastic and transport properties of cellular solids derived from three-dimensional tomographic images
Proceedings of the Royal Society of London Series A: Mathematical, Physical and Engineering Sciences 462, 2073(2006) 2833-2862

Knackstedt M, Arns C, Saadatfar M, Senden T, Sakellariou A, Sheppard A, Sok R, Schrof W, Steininger H
Virtual Materials Design: Properties of Cellular Solids Derived from 3D Tomographic Images
Advanced Engineering Materials 7, 4(2005) 238-243

Sheppard A, Arns J, Knackstedt M, Pinczewski W
Volume Conservation of the Intermediate Phase in Three-Phase Pore-Network Models
Transport in Porous Media 59(2005) 155-173

Ghous A, Pinczewski W, Knackstedt M, Arns C, Bauget F, Sakellariou A, Senden T, Sheppard A, Sok R, Kelly J
Digital Core Laboratory: Petrophysical Analysis from 3D Imaging of Reservoir Core Fragments
Petrophysics 46, 4(2005) 18

Arns C, Bauget F, Limaye A, Sakellariou A, Senden T, Sheppard A, Sok R, Pinczewski W, Bakke S, Berge L, Oren P, Knackstedt M
Pore-Scale Characterization of Carbonates Using X-Ray Microtomography
SPE Journal December 2005(2005) 475-484

Sheppard A, Sok R, Averdunk H
Techniques for image enhancement and segmentation of tomographic images of porus materials
Physica A: Statistical mechanics and its applications 339(2004) 145-151

Turner M, Turner M, Knuefing L, Arns C, Sakellariou A, Senden T, Sheppard A, Sok R, Limaye A, Pinczewski W, Knackstedt M
Three-dimensional Imaging of Multiphase Flow in Porous Media
Physica A: Statistical mechanics and its applications 339(2004) 166-172

Saadatfar M, Knackstedt M, Arns C, Sakellariou A, Senden T, Sheppard A, Sok R, Steininger H, Schrof W
Polymeric Foam Properties Derived from 3D Images
Physica A: Statistical mechanics and its applications 339(2004) 131-136

Jones A, Sheppard A, Sok R, Arns C, Limaye A, Averdunk H, Brandwood A, Sakellariou A, Senden T, Milthorpe B, Knackstedt M
Three-dimensional Analysis of Cortical Bone Structure using X-ray Micro-computed Tomography
Physica A: Statistical mechanics and its applications 339(2004) 125-130

Arns J, Robins V, Sheppard A, Sok R, Pinczewski W, Knackstedt M
Effect of Network Topology on Relative Permeability
Transport in Porous Media 55(2004) 21-46

Jones A, Milthorpe B, Averdunk H, Limaye A, Senden T, Sakellariou A, Sheppard A, Sok R, Knackstedt M, Brandwood A, Rohner D, Hutmacher D
Analysis of 3D Bone Ingrowth into Polymer Scaffolds via Micro-computed Tomography Imaging
Biomaterials 25(2004) 4947-4954

Arns J, Arns C, Sheppard A, Sok R, Knackstedt M, Pinczewski W
Relative Permeability from Tomographic Images: Effect of Correlated Heterogeneity
Journal of Petroleum Science and Engineering 39(2003) 247-259

Arns C, Sakellariou A, Senden T, Sheppard A, Sok R, Pinczewski W, Knackstedt M
Petrophysical Properties Derived from X-ray CT Images
APPEA Journal 43(2003) 577-586

Sok R, Knackstedt M, Sheppard A, Pinczewski W, Paterson L
Direct and Stochastic Generation of Network Models from Tomographic Images: Effect of Topology on Residual Saturations
Transport in Porous Media 46(2002) 345-372

Paterson L, Sheppard A, Knackstedt M
Trapping Thresholds in Invasion Percolation
Physical Review E 66(2002) 156122-1-6

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Knackstedt M, Sahimi M, Sheppard A
Nonuniversality of Invasion of Percolation in Two-dimensional Systems
Physical Review E 65(2002) 035101-1-4

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Knackstedt M, Sheppard A, Sahimi M
Pore network modelling of two-phase flow in porous rock: the effect of correlated Heterogeneity
Advances in Water Resources 24(2001) 257-277

Knackstedt M, Marrink S, Sheppard A, Pinczewski W, Sahimi M
Invasion Percolation on Correlated and Elongated Lattices: Implications for the Interpretation of Residual Saturations in Rock Cores
Transport in Porous Media 44(2001) 465-485

Knackstedt M, Sahimi M, Sheppard A
Invasion Percolation with Long-Range Correlations: First Order Phase Transitions and Nonuniversal Scaling Properties
Physical Review E 61(2000) 4920-4934

Sheppard A, Knackstedt M, Pinczewski W, Sahimi M
Invasion Percolation: New Algorithms and Universality Classes
Journal of Physics A: Mathematical and General 32(1999) L521-529

Sheppard A
Nonparaxiality stabilizes three-dimensional soliton beams in Kerr media
Optics Letters 23, 23(1998) 1820-1822

Knackstedt M, Sheppard A
Simulation of mercury porosimetry on correlated grids: Evidence for extended correlated heterogeneity at the pore scale in rocks
Physical Review E 58, 6 SUPPL. A(1998) R6923-R6926

Conference written presentation

Kingston A, Myers G, Latham S, Li H, Sheppard A
Optimized x-ray source scanning trajectories for iterative reconstruction in high cone-angle tomography
Developments in X-Ray Tomography X (2016) 1-11

Latham S, Kingston A, Recur B, Myers G, Sheppard A
Multi-resolution radiograph alignment for motion correction in X-ray micro-tomography
Developments in X-Ray Tomography X (2016) 1-12

Mehmani A, Tokan-Lawal A, Prodanovic M, Sheppard A
The effect of microporosity on transport properties in tight reservoirs
SPE Americas Unconventional Gas Conference (UGC 2011) (2011) 821-834

Knackstedt M, Arns C, Bauget F, Sakellariou A, Senden T, Sheppard A, Sok R
Quantitative transport properties of granular material calculated from Xray CT images
International Petroleum Conference and Exhibition (Petrotech-2005) (2005)

Sakellariou A, Senden T, Sawkins T, Knackstedt M, Turner M, Jones A, Saadatfar M, Roberts R, Limaye A, Arns C, Sheppard A, Sok R
An x-ray tomography facility for quantitative prediction of mechanical and transport properties in geological, biological and synthetic systems
International Society for Optical Engineering Conference 2004 5535(2004)

Arns C, Sakellariou A, Sheppard A, Sok R, Pinczewski W, Knackstedt M
Virtual Core Laboratory: A Facility for Imaging and Modelling Petrophysical Properties of Sedimentary Rock
International Petroleum Conference and Exhibition (Petrotech-2003) (2003) 1-11

Arns C, Sakellariou A, Senden T, Sheppard A, Sok R, Knackstedt M, Pinczewski W, Bunn G
Virtual Core Laboratory: Properties of Reservoir Rock Derived from X-ray CT Images
International Exposition and Annual Meeting of the Society for the Exploration Geophysicists 2003 (2003) 1477-1480

Conference paper

Myers G, Latham S, Kingston A, Kolomazník J, Krajíček V, Krupka T, Varlot T, Sheppard A
High cone-angle x-ray computed micro-tomography with 186 Giga Voxel datasets
Developments in X-Ray Tomography X (2016) 7

Myers G, Kingston A, Latham S, Recur B, Li H, Turner M, Beeching L, Sheppard A
Rapidly-converging multigrid reconstruction of cone-beam tomographic data
Developments in X-Ray Tomography X (2016) 9967M-1-7

Fogden A, Olson T, Cheng Q, Middleton J, Kingston A, Turner M, Sheppard A, Armstrong R
Dynamic micro-CT imaging of diffusion in unconventionals
Unconventional Resources Technology Conference, URTeC 2015 (2015) 2154822-1-18

Recur B, Fauconneau Dufresne M, Kingston A, Myers G, Sheppard A
Iterative reconstruction optimisations for high angle cone-beam micro-CT
Developments in X-Ray Tomography IX (2014) 921214/1-12

Recur B, Paziresh M, Myers G, Kingston A, Latham S, Sheppard A
Dual-energy iterative reconstruction for material characterisation
Developments in X-Ray Tomography IX (2014) 1-9

Li H, Kingston A, Myers G, Recur B, Turner M, Sheppard A
Improving spatial-resolution in high cone-angle micro-CT by source deblurring
Developments in X-Ray Tomography IX (2014) 1-11

Myers G, Geleta M, Kingston A, Recur B, Sheppard A
Improving dynamic tomography, through maximum a posteriori estimation
Developments in X-Ray Tomography IX (2014) 921211/1-9

Delgado Friedrich O, Robins V, Sheppard A
Morse Theory and Persisten Homology for Toplogical Analysis of 3D Images of Complex Materials
IEEE International Conference on Image Processing ICIP 2014 (2014) 4872-4876

Fogden A, Middleton J, McKay T, Latham S, Marathe R, Turner M, Sheppard A, Howard J, Lane D
3D Mapping of Pore and Organic Matter Distributions in Unconventional Reservoirs Utilizing a Digital Rocks Appproach
International Symposium of the Society of Core Analysts (2014) SCA2014-027-1-12

Holt J, Paziresh M, Kingston A, Sheppard A
Correction of beam hardening artefacts in microtomography for samples imaged in containers
Developments in X-Ray Tomography IX (2014) 1-12

Sheppard A, Kingston A, Myers G, Varslot T, Knackstedt M, Fogden A, Sawkins T, Cruikshank R, Saadatfar M, Francois N, Arns C, Senden T
New Methods in Helical Scanning, Dynamic Imaging and Image Segmentation for Improved Quantitative Analysis in Micro-CT
International Conference on Tomography of Materials and Structures (ICTMS 2013) (2013) 119-122

Middleton J, Latham S, Sheppard A
Performance Comparison of Segmentation Methods: Automated Watershed and Thresholding Methods with Iterated Conditional Modes Post Processing
International Conference on Tomography of Materials and Structures (ICTMS 2013) (2013) 191-194

Kingston A, Maniotis A, Varslot T, Myers G, Sheppard A, Trumpf J, Hartley R
Geometric Alignment of Helical Tomographic Projection Data Using Pi-Lines
International Conference on Tomography of Materials and Structures (ICTMS 2013) (2013) 101-104

Kingston A, Shadwell M, Myers G, Varslot T, Sheppard A
Practical Region-Of-Interest Tomography
International Conference on Tomography of Materials and Structures (ICTMS 2013) (2013) 125-128

Varslot T, Kingston A, Myers G, Sheppard A
Considerations for high-magnification high-cone-angle helical micro-CT
Developments in X-Ray Tomography VIII 8506(2012) 850614 1-10

Derluyn H, Griffa M, Mannes D, Jerjen I, Dewanckele J, Vontobel P, Sheppard A, Boone M, Derome D, Cnudde V, Lehmann E, Carmeliet J
Probing salt crystalliztion damage mechanisms in porous limestone with neutron radiography and x-ray tomography
International Building Physics Conference (IBPC 2012) (2012) 95-102

Saadatfar M, Francois N, Arad A, Madadi M, Cruikshank R, Seyed Alizadeh S, Sheppard A, Kingston A, Limaye A, Senden T, Knackstedt M
3D mapping of deformation in an uncosolidated sand: a Micro mechanical study
Society of Exploration Geophysicists Annual Meeting (SEG 2012) (2012) 1-6

Myers G, Kingston A, Varslot T, Turner M, Sheppard A
DYNAMIC X-RAY MICRO-TOMOGRAPHY FOR REAL TIME IMAGING OF DRAINAGE AND IMBIBITION PROCESSES AT THE PORE SCALE
International Symposium of the Society of Core Analysts 2011 (2011) 3586-3590

Varslot T, Kingston A, Latham S, Middleton J, Knackstedt M, Sheppard A
COMBINING HIGH-FIDELITY HELICAL MICROTOMOGRAPHY WITH REGION-OF-INTEREST SCANNING FOR IMPROVED CORE CHARACTERISATION
International Symposium of the Society of Core Analysts 2011 (2011)

Knackstedt M, Latham S, Sheppard A, Sok R, Kumar M
Rock Typing Across Disciplines
Society of Petrophysicists and Well Log Analysts Annual Symposium 2011 (2011)

Kumar M, Senden T, Sheppard A, Arns C, Knackstedt M
Variations of the Archie's Exponent; Probing Wettability and Low Sw Effects
Annual Logging Symposium of the Society of Petrophysicists & Well Log Analysts (SPWLA 2010) (2010) 1-12

Arad A, Madadi M, Christy A, Sheppard A, Averdunk H, Knackstedt M
Understanding rock mechanics and acoustic anisotropy at the pore/grain scale
Annual Logging Symposium of the Society of Petrophysicists & Well Log Analysts (SPWLA 2010) (2010) 16

Sok R, Varslot T, Ghous A, Latham S, Sheppard A, Knackstedt M
Pore scale characterization of carbonates at multiple scales: integration of micro-CT, BSEM and FIBSEM
International Symposium of the Society of Core Analysts 2009 (2009)

Nguyen V, Sheppard A, Knackstedt M, Pinczewski W
The Effects of displacement
International Symposium of the Society of Core Analysts 2009 (2009)

Kumar M, Knackstedt M, Latham S, Senden T, Sheppard A, Sok R, Varslot T, Arns C
Mapping fluid distributions in 3D at the pore scale: Quantifying the influence of wettability and saturation history on rock resisitivity
Annual Logging Symposium of the Society of Petrophysicists & Well Log Analysts (SPWLA 2009) (2009) 18

Kumar M, Sheppard A, Arns C, Senden T, Knackstedt M
Visualizing and quantifying the residual phase distribution in core material
International Symposium of the Society of Core Analysts 2009 (2009)

Kumar M, Middleton J, Sheppard A, Senden T, Knackstedt M
Quantifying trapped residual oil in reservoir core material at the pore scale: Exploring the role of displacement rate, saturation history and wettability
International Petroleum Technology Conference 2009, IPTC 2009 5(2009) 3287-3291

Latham S, Varslot T, Sheppard A
Automated registration for augmenting micro-CT 3D images
Computational Techniques and Applications Conference (CTAC 2008) (2008) c534-C548

Latham S, Varslot T, Sheppard A
Image registration: Enhancing and Calibrating X-ray Micro-CT Imaging
International Symposium of the Society of Core Analysts 2008 (2008) 12

Kumar M, Senden T, Latham S, Sheppard A, Knackstedt M, Cinar Y
Designing for Mixed Wettability
Society of Petroleum engineers Improved Oil Recovery Symposium 3(2008) 1590

Knackstedt M, Sok R, Sheppard A, Latham S, Madadi M, Varslot T, Arns C, Bachle G, Eberli G
Probing Pore Systems in Carbonates: Correlations to Petrophysical Properties
Society of Petrophysicists and Well Log Analysts Annual Symposium 2008 (2008) 16

Ghous A, Knackstedt M, Arns C, Sheppard A, Kumar M, Sok R, Senden T, Latham S, Jones A, Averdunk H, Pinczewski W
3D Imaging of Reservoir Core at Multiple Scales; Correlations to Petrophysical Properties and Pore Scale Fluid Distributions
International Petroleum Technology Conference 2008 4(2008) 10

Kumar M, Senden T, Knackstedt M, Latham S, Pinczewski W, Sok R, Sheppard A, Turner M
Wettability effects on the pore scale distribution of fluids
International Symposium of the Society of Core Analysts 2008 (2008) 13

Knackstedt M, Arns C, Sheppard A, Senden T, Sok R, Cinar Y, Pinczewski W, Ioannidis M, Padhy G
Archie's exponents in complex lithologies derived from 3D digital core analysis
Annual Logging Symposium of the Society of Petrophysicists & Well Log Analysts (SPWLA 2007) (2007) paper UU:1-16

Sok R, Arns C, Knackstedt M, Senden T, Sheppard A, Averdunk H, Pinczewski W, Okabe H
Estimation of Petrophysical Parameters from 3D images of Carbonate Core
Middle East Regional SPWLA Symposium: Petrophysics and Brown Field Resource Optimization (2007) 15

Knackstedt M, Arns C, Sheppard A, Senden T, Sok R, Cinar Y, Olafuyi A, Pinczewski W, Padhy G, Ioannidis M
Pore scale analysis of electrical resistivity in complex core material
International Symposium of the Society of Core Analysts 2007 (2007) Paper Number SCA2007-P53

Knackstedt M, Arns C, Sakellariou A, Senden T, Sheppard A, Sok R
X-Ray Micro-tomography applications of Relevance to the Petroleum Industry
Symposium on Portable Synchrotron Light Sources and Advanced Applications 2007 902(2007)

Arns J, Sheppard A, Arns C, Knackstedt M, Pinczewski W, Yelkhovsky A
Pore level validation of representative pore networks obtained from micro-CT images
International Symposium of the Society of Core Analysts 2007 (2007) 26

Ghous A, Senden T, Sok R, Sheppard A, Pinczewski W, Knackstedt M
3D Characterisation of Microporosity in Carbonate Cores
Middle East Regional SPWLA Symposium: Petrophysics and Brown Field Resource Optimization (2007) 11

Olafuyi A, Sheppard A, Arns C, Sok R, Cinar Y, Knackstedt M, Pinczewski W
Experimental Investigation of Drainage Capillary Pressure Computed from Digitized Tomographic Images
SPE/DOE Symposium on Improved Oil Recovery 2(2006) 7

Sheppard A, Sok R, Averdunk H, Robins V, Ghous A
Analysis of Rock Microstructure using High-resolution X-ray Tomography
International Symposium of the Society of Core Analysts 2006 (2006) SCA2006-26-1-12

Saadatfar M, Sheppard A, Knackstedt M
Grain partitioning and its applications
International Workshop on X-Ray for GeoMaterials (GeoX 2006) (2006) 8

Knackstedt M, Arns C, Ghous A, Sakellariou A, Senden T, Sheppard A, Sok R, Nguyen V, Pinczewski W
3D imaging and characterization of the pore space of carbonate core: implications to single and two phase flow properties
Annual Logging Symposium of the Society of Petrophysicists & Well Log Analysts (SPWLA 2006) (2006)

Arns C, Sheppard A, Saadatfar M, Knackstedt M
Predication of permeability from NRM response: surface relaxivity heterogeneity
Annual Logging Symposium of the Society of Petrophysicists & Well Log Analysts (SPWLA 2006) (2006)

Knackstedt M, Arns C, Ghous A, Sakellariou A, Senden T, Sheppard A, Sok R, Averdunk H, Pinczewski W, Padhy G, Ioannidis M
3D imaging and flow characterization of the pore space of carbonate care samples
International Symposium of the Society of Core Analysts 2006 (2006) 13

Ghous A, Bauget F, Arns C, Sakellariou A, Senden T, Sheppard A, Sok R, Pinczewski W, Harris R, Beck G, Knackstedt M
Resistivity and Permeability Anisotropy Measured in Laminated Sands via Digital Core Analysis
Society of Petrophysicists and Well Log Analysts Annual Symposium 2005 (2005) VVV1-14

Bauget F, Turner M, Arns C, Saadatfar M, Sheppard A, Sok R, Knackstedt M
Towards modelling regolith permeability with high resolution X-ray tomography
International Petroleum Conference and Exhibition (Petrotech-2005) (2005)

Saadatfar M, Turner M, Arns C, Averdunk H, Senden T, Sheppard A, Sok R, Pinczewski W, Kelly J, Knackstedt M
Rock Fabric and Texture from Digital Core Analysis
Society of Petrophysicists and Well Log Analysts Annual Symposium 2005 (2005) ZZ1-16

Bauget F, Turner M, Arns C, Saadatfar M, Sheppard A, Sok R, Knackstedt M
Rock Typing and Petrophysical property estimation via direct analysis on microtomographic images
International Symposium of the Society of Core Analysts 2005 (2005) 1-12

Arns C, Sheppard A, Sok R, Knackstedt M
NMR Petrophysical Predictions on Digitized Core Images
Society of Petrophysicists and Well Log Analysts Annual Symposium 2005 (2005) MMM1-16

Knackstedt M, Arns C, Limaye A, Sakellariou A, Senden T, Sheppard A, Sok R, Pinczewski W, Bunn G
Digital Core Laboratory: Properties of reservoir core derived from 3D images
SPE Asia Pacific Conference on Integrated Modelling for Asset Management 204 56, 5(2004) 105-118

Turner M, Turner M, Arns C, Sakellariou A, Senden T, Sheppard A, Sok R, Limaye A, Knackstedt M
Obtaining hydraulic properties of unconsolidated porous material
CRC LEME Regional Regolith Symposia 2004 (2004) 370-4

Knackstedt M, Arns C, Limaye A, Sakellariou A, Senden T, Sheppard A, Sok R, Pinczewski W, Bunn G
Digital Core Laboratory: Properties of reservoir core derived from 3D images
SPE Asia Pacific Conference on Integrated Modelling for Asset Management 204 (2004) SPE 87009/1-14

Jones A, Knackstedt M, Sheppard A, Sok R, Hutmacher D, Arns C, Sakellariou A, Senden T, Brandwood A, Milthorpe B, Jones A
Morphological Examination of Complex Microstructure via micro-CT imaging
World Biomaterials Congress 2004 (2004)

Arns C, Averdunk H, Sakellariou A, Senden T, Sheppard A, Sok R, Knackstedt M, Pinczewski W
Digital Core Laboratory: Analysis of reservoir core fragments from 3D images
Society of Petrophysicists and Well Log Analysts Annual Symposium 2004 (2004) paper EEE

Sakellariou A, Sawkins T, Senden T, Arns C, Limaye A, Oren P, Sheppard A, Sok R, Knackstedt M, Pinczewski W, Inge Berge L
Micro-CT Facility for Imaging Reservoir Rocks at Pore Scales
International Exposition and Annual Meeting of the Society for the Exploration Geophysicists 2003 (2003) 1-4

Arns J, Arns C, Sheppard A, Sok R, Knackstedt M, Pinczewski W
Relative permeability from tomographic images: effect of correlated heterogeneitygies
7th International Symposium on Reservoir Wettability (2002)

Journal article (non-refereed)

Kumar M, Senden T, Sheppard A, Middleton J, Knackstedt M
Visualizing and quantifying the residual phase distribution in core material
Petrophysics 51, 5(2010) 323-332

Sok R, Varslot T, Ghous A, Latham S, Sheppard A, Knackstedt M
Pore scale characterization of carbonates at multiple scales: integration of micro-CT BSEM and FIBSEM
Petrophysics 51, 6(2010) 379-387

Knackstedt M, Latham S, Madadi M, Sheppard A, Varslot T, Arns C, Arns C
Digital Rock Physics: 3D imaging of core material and correlations to acoustic and flow properties
Leading Edge, The January 2009(2009) 2833

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