Stephan Matthäi

(Former)

Research output

  1. 2017
  2. Published

    Numerical investigation of fracture-rock matrix ensemble saturation functions and their dependence on wettability

    Sedaghat, M., Azizmohammadi, S. & Matthäi, S. K., Nov 2017, In: Journal of Petroleum Science and Engineering. 159.2017, November, p. 869-888 20 p.

    Research output: Contribution to journalArticleResearchpeer-review

  3. Published

    Is the permeability of naturally fractured rocks scale dependent?

    Azizmohammadi, S. & Matthäi, S. K., 23 Sept 2017, In: Water Resources Research. 53.2017, 9, p. 8041-8063 23 p.

    Research output: Contribution to journalArticleResearchpeer-review

  4. Published

    Ensemble relative permeability in naturally fractured rocks: the role of wettability

    Sedaghat, M., Azizmohammadi, S. & Matthäi, S. K., 14 Sept 2017.

    Research output: Contribution to conferencePresentationResearchpeer-review

  5. 2016
  6. Published

    Simulation-based Determination of Relative Permeability in Laminated Rocks

    Sedaghat, M., Gerke, K., Azizmohammadi, S. & Matthäi, S. K., 29 Nov 2016, In: Energy Procedia. 97, p. 433-439 7 p.

    Research output: Contribution to journalArticleResearchpeer-review

  7. Published

    The Challenge of Deriving Saturation Functions for Laminated Heterogeneous Rocks

    Sedaghat, M., Gerke, K., Matthäi, S. K. & Azizmohammadi, S., 31 Jul 2016.

    Research output: Contribution to conferencePosterResearchpeer-review

  8. 2015
  9. Published

    Dependence of the Equivalent Permeability of a Fractured Rock Mass on Sampling Scale, Fluid Pressure and Stress

    Azizmohammadi, S. & Matthäi, S. K., 1 Jul 2015.

    Research output: Contribution to conferencePresentationResearchpeer-review

  10. 2014
  11. Published

    The Finite-element-centered Finite-volume Discretization Method (FECFVM) for Multiphase Transport in Porous Media with Sharp Material Discontinuities

    Bazr Afkan, S., Matthäi, S. & Mindel, J., Sept 2014, 14th European Conference on the Mathematics of Oil Recovery 2014: ECMOR 2014. A14

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  12. Published

    Realistic simulation of an aquifer thermal energy storage: Effects of injection temperature, well placement and groundwater flow

    Yapparova, A., Matthäi, S. & Driesner, T., 2014, In: Energy. 76, p. 1011-1018

    Research output: Contribution to journalArticleResearchpeer-review

  13. 2013
  14. Published
  15. Published

    Flow Rate- and Fracture Property Dependence of Fracture-Matrix Ensemble Relative Permeability

    Matthäi, S., Lang, P. & Bazrafkan, S., 2013.

    Research output: Contribution to conferencePosterResearchpeer-review

  16. Published
  17. 2012
  18. Published

    Drainage Patterns of Subvertical Wells intersecting Naturally Fractured Carbonate Reservoir Layers

    Bazr Afkan, S., Matthäi, S. & Milliotte, C., 2012.

    Research output: Contribution to conferencePosterResearchpeer-review

  19. Published

    Flow Rate- and Fracture Property Dependence of Fracture-Matrix Ensemble Relative Permeability

    Matthäi, S., Lang, P. & Bazrafkan, S., 2012.

    Research output: Contribution to conferencePosterResearchpeer-review

  20. Published
  21. Published

    Scale Dependence of Equivalent Permeability Tensor in Naturally Fractured Reservoirs

    Azizmohammadi, S., Matthäi, S. & Paul, J. D., 2012.

    Research output: Contribution to conferencePosterResearchpeer-review

  22. Published

    Second Annual Report

    Seidl, G. & Matthäi, S., 2012

    Research output: Book/ReportCommissioned reportTransferpeer-review

  23. 2011
  24. Published

    A Hybrid Finite-Element Finite-Volume Method with Embedded Discontinuities for Solute Transport in Heterogeneous Media

    Nick, H. M. & Matthäi, S., 2011, In: Vadose zone journal. 10, p. 299-312

    Research output: Contribution to journalArticleResearchpeer-review

  25. Published

    A new hybrid simulation method for multiphase flow on unstructured grids with representations of material interfaces

    Bazr Afkan, S. & Matthäi, S., 2011, Mathematical Geosciences at the Crossroads of Theory and Practice, IAMG Salzburg 2011, Salzburg proceedings. p. 294-305

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  26. Published
  27. Published

    CO2 migration in saline aquifers

    Trojer, M. & Matthäi, S., 2011.

    Research output: Contribution to conferencePosterResearchpeer-review

  28. Published

    Comparison of Three FE-FV Numerical Schemes for Single- and Two-Phase Flow Simulation Fractured Porous Media

    Nick, H. M. & Matthäi, S., 2011, In: Transport in porous media. p. 421-444

    Research output: Contribution to journalArticleResearchpeer-review

  29. Published

    First Annual Report

    Seidl, G. & Matthäi, S., 2011

    Research output: Book/ReportCommissioned reportTransferpeer-review

  30. Published

    Fracture-Matrix Interface Area Contacted by Injected Fluid as a Function of Average Saturation, Mechanical Aperture and Counter-Current Imbibition

    Lang, P. & Matthäi, S., 2011, Mathematical Geosciences at the Crossroads of Theory and Practice, IAMG Salzburg 2011, Salzburg proceedings. p. 333-349

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  31. Published

    Ganglion migration of CO2 in porous media

    Trojer, M. & Matthäi, S., 2011.

    Research output: Contribution to conferencePosterResearchpeer-review

  32. Published

    Importance of Counter-Current Imbibition (CCI) in Naturally Fractured Reservoirs

    Seidl, G., Lang, P. & Matthäi, S., 2011.

    Research output: Contribution to conferencePosterResearchpeer-review

  33. Published

    Importance of Counter-Current Imbibition (CCI) in Naturally Fractured Reservoirs (NFR)

    Seidl, G., Lang, P. & Matthäi, S., 2011.

    Research output: Contribution to conferencePosterResearchpeer-review

  34. Published
  35. Published

    Multiresolution Wavelet-Based Upscaling of Structured Grids

    Azizmohammadi, S. & Matthäi, S., 2011.

    Research output: Contribution to conferencePosterResearchpeer-review

  36. Published

    Role of geomechanically grown fractures on dispersive transport in heterogenous geological formations

    Nick, H. M., Paluszny, A., Blunt, M. J. & Matthäi, S., 2011, In: Physical review : E, Statistical, nonlinear and soft matter physics. 84, p. 1401-1410

    Research output: Contribution to journalArticleResearchpeer-review

  37. 2010
  38. Published

    Architektur des Trattnach Ölfeldes (Molassebecken)

    Reischenbacher, D., Schnitzer, S., Sachsenhofer, R., Matthäi, S., Hablous, A. S., Troiss, W. & Bieg, U., 2010, Geosciences - Fundamentals and Applications. p. 210-211

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  39. Published

    Architektur des Trattnach Ölfeldes (Molassebecken)

    Reischenbacher, D., Schnitzer, S., Sachsenhofer, R., Matthäi, S., Hablous, A. S., Troiss, W. & Bieg, U., 2010.

    Research output: Contribution to conferencePosterResearchpeer-review

  40. Published

    Impact of fracture development on the effective permeability of porous rocks as determined by 2D discrete fracture growth modeling 1

    Paluszny, A. & Matthäi, S., 2010, In: Journal of geophysical research / B. 115, p. 1-18

    Research output: Contribution to journalArticleResearchpeer-review

  41. Published

    Simulation of Solute Transport Through Fractured Rock: A Higher-Order Accurate Finite-Element Finite-Volume Method Permitting Large Time Steps

    Matthäi, S., Nick, H. M., Pain, C. & Neuweiler, I., 2010, In: Transport in porous media. 83, p. 289-318

    Research output: Contribution to journalArticleResearchpeer-review

  42. Published

    The Impact of Hierarchival Fracture Netwoeks on Flow Partitioning in Carbonate Reservoirs: Examples Based on a Jurassic Carbonate Ramp analog from the High Atlas, Moroco

    Matthäi, S., Agar, S. M., Geiger, S., Alway, R., Tomas, S., Immenhauser, A., Shekhar, R., Paul, J., Benson, G., Karcz, Z. & Kabiri, L., 2010, SPE Annual Technical Conference and Exhibition Proceedings. p. 1-19

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  43. 2009
  44. E-pub ahead of print

    Erosional decay of the Yucca Mountain crest, Nevada

    Stüwe, K., Robl, J. C. & Matthäi, S., 28 Jan 2009, (E-pub ahead of print) In: Geomorphology. 108.2009, 3-4, p. 200-208 9 p.

    Research output: Contribution to journalArticleResearchpeer-review

  45. Published

    A Linear Finite-element Node-centered Finite-volume Method Including Jump Discontinuities Applied to 2-phase Fracture / Matrix Flow

    Matthäi, S., 2009,

    SIAM Conference on Mathematical & Computational Issues in the Geosciences Proceedings

    .
    p. 73-73

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  46. Published

    Black-Oil Simulations for Three-Component, Three-Phase Flow in Fractured Porous Media

    Geiger, S., Matthäi, S., Niessner, J. & Helmig, R., 2009, In: SPE journal : SPEJ. p. 338-354

    Research output: Contribution to journalArticleResearchpeer-review

  47. Published

    Comparison of deterministic with stochastic fracture models in water-flooding numerical simulations

    Belayneh, M. W., Matthäi, S., Blunt, M. J. & Rogers, S. F., 2009, In: AAPG bulletin. 93, p. 1633-1648

    Research output: Contribution to journalArticleResearchpeer-review

  48. Published

    Finite Element-Based Characterization of Pore-Scale Geometry and Its Impact on Fluid Flow

    Akanji, L. T. & Matthäi, S., 2009, In: Transport in porous media. p. 1-19

    Research output: Contribution to journalArticleResearchpeer-review

  49. Published

    Massively Parallel Sector Scale Discrete Fracture and Matrix

    Geiger, S., Huangfu, Q., Reid, F., Matthäi, S., Coumou, D., Belayneh, M., Fricke, C. & Schmid, K., 2009, SPE Reservoir Simulation Symposium Proceedings. p. 1-15

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  50. Published

    Numerical modeling of discrete multi-crack growth applied to pattern formation in geological brittle media

    Paluszny, A. & Matthäi, S., 2009, In: International journal of solids and structures. 46, p. 3383-3397

    Research output: Contribution to journalArticleResearchpeer-review

  51. Published

    Numerical study of the effects of particle shape and polydispersity on permeability

    Garcia, X., Akanji, L. T., Blunt, M. J., Matthäi, S. & Latham, J. P., 2009, In: Physical review : E, Statistical, nonlinear and soft matter physics. 80, p. 021304-1-021304-9

    Research output: Contribution to journalArticleResearchpeer-review

  52. Published

    Simulation of multiphase flow in fractured reservoirs using a fracture-only model with transfer functions

    Unsal, E., Matthäi, S. & Blunt, M. J., 2009, In: Computers & geosciences. p. 1-12

    Research output: Contribution to journalArticleResearchpeer-review

  53. Published

    Upscaling two-phase flow in naturally fractured reservoirs

    Matthäi, S. & Nick, H. M., 2009, In: AAPG bulletin. 93, p. 1621-1632

    Research output: Contribution to journalArticleResearchpeer-review

  54. 2008
  55. Published

    A parallel FE-FV scheme to solve fluid flow in complex geological media

    Matthäi, S., 2008, In: Computers & geosciences. 34, p. 1697-1707

    Research output: Contribution to journalArticleResearchpeer-review

  56. Published

    Reservoir Simulation: Mathematical Techniques in Oil Recovery

    Matthäi, S., 2008, In: Geofluids. 8, p. 344-345

    Research output: Contribution to journalArticleResearchpeer-review

  57. 2007
  58. Published

    Black-Oil Simulations for Three-Component, Three-Phase Flow in Fractured Porous Media

    Geiger, S., Matthäi, S., Niessner, J. & Helmig, R., 2007, SPE Proceedings. p. 1-14

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  59. Published

    Electrokinetic coupling in unsaturated porous media

    Matthäi, S., Revil, A., Linde, N. & Cerepi, A., 2007, In: Journal of colloid and interface science. 313, p. 315-327

    Research output: Contribution to journalArticleResearchpeer-review

  60. Published

    Finite Element-Node-Centered Finite-Volume Two-Phase-Flow Experiments With Fractured Rock Represented by Unstructured Hybrid-Element Meshes

    Matthäi, S., Mezentsev, A. & Belayneh, M., 2007, In: SPE reservoir evaluation & [and] engineering. p. 740-756

    Research output: Contribution to journalArticleResearchpeer-review

  61. Published

    Hybrid finite element-finite volume discretization of complex geologic structures and a new simulation workflow demonstrated on fractured rocks

    Matthäi, S., Paluszny, A. & Hohmeyer, M., 2007, In: Geofluids. 7, p. 186-208

    Research output: Contribution to journalArticleResearchpeer-review

  62. Published

    Numerical simulation of multi-phase fluid flow in structurally complex reservoirs

    Matthäi, S., Geiger, S. & Roberts, S., 2007, Structurally Complex Reservoirs. p. 405-429

    Research output: Chapter in Book/Report/Conference proceedingChapterResearch

  63. Published

    Streaming current generation in two-phase flow conditions

    Matthäi, S., Linde, N., Jougnot, D. & Revil, A., 2007, In: Geophysical research letters (GRL). 34

    Research output: Contribution to journalArticleResearchpeer-review

  64. Published

    The implications of fracture swarms in the Chalk of SE England on the tectonic history of the basin and their impact on fluid flow in high-porosity, low-permeability rock

    Matthäi, S., Belayneh, M. & Cosgrove, J., 2007, The Deformation of the Continental Crust. p. 499-517

    Research output: Chapter in Book/Report/Conference proceedingChapterResearch

  65. 2006
  66. Published

    Multiphase thermohaline convection in the earth''s crust: I. A new finite element - Finite volume solution technique combined with a new equation of state for NaCl-H2O

    Matthäi, S., Geiger, S., Driesner, T. & Heinrich, C., 2006, In: Transport in porous media. 63, p. 399-434

    Research output: Contribution to journalArticleResearchpeer-review

  67. Published

    Numerical simulation of water injection into layered fractured carbonate reservoir analogs

    Matthäi, S., Belayneh, M. & Geiger, S., 2006, In: AAPG bulletin. 90, p. 1473-1493

    Research output: Contribution to journalArticleResearchpeer-review

  68. Published

    Prediction of vein connectivity using the percolation approach: model test with field data

    Matthäi, S., Belayneh, M. & Masihi, M., 2006, In: Journal of geophysics and engineering. 3, p. 219-229

    Research output: Contribution to journalArticleResearchpeer-review

  69. Published

    The dynamics of mid-ocean ridge hydrothermal systems: Splitting plumes and fluctuating vent temperatures,

    Matthäi, S., Driesner, T. & Geiger, S., 2006, In: Earth and planetary science letters. 245, p. 218-231

    Research output: Contribution to journalArticleResearchpeer-review

  70. 2005
  71. Published

    A high-order TVD transport method for hybrid meshes on complex geological geometry

    Matthäi, S., Mezentsev, A. & Pain, C., 2005, In: International journal for numerical methods in engineering. 47, p. 1181-1187

    Research output: Contribution to journalArticleResearchpeer-review

  72. Published

    Control-volume finite-element two-phase flow experiments with fractured rock represented by unstructured 3D hybrid meshes

    Matthäi, S., Mezentsev, A. & Belayneh, M., 2005, Control-volume finite-element two-phase flow experiments with fractured rock represented by unstructured 3D hybrid meshes. p. 443-463

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  73. Published

    Coupled heat and salt transport around cooling magmatic intrusions

    Matthäi, S., Geiger, S., Driesner, T. & Heinrich, C., 2005, In: Geochimica et cosmochimica acta. 69, p. 739-739

    Research output: Contribution to journalArticleResearchpeer-review

  74. Published

    On the dynamics of NaCl-H2O fluid convection in the Earth's crust

    Matthäi, S., Driesner, T. & Heinrich, C., 2005, In: Journal of geophysical research / B. 110

    Research output: Contribution to journalArticleResearchpeer-review

  75. 2004
  76. Published

    Combining finite element and finite volume methods for efficient multiphase flow simulations in highly heterogeneous and structurally complex geologic media

    Matthäi, S., Robert, S. & Geiger, S., 2004, In: Geofluids. 4, p. 284-299

    Research output: Contribution to journalArticleResearchpeer-review

  77. Published

    Fluid flow partitioning between fractures and a permeable rock matrix

    Matthäi, S. & Belayneh, M., 2004, In: Geophysical research letters (GRL). 31

    Research output: Contribution to journalArticleResearchpeer-review

  78. Published

    Is the Mount Isa copper deposit the product of forced brine convection in the footwall of a major reverse fault?

    Matthäi, S., Heinrich, C. & Driesner, T., 2004, In: Geology. 32, p. 357-360

    Research output: Contribution to journalArticleResearchpeer-review

  79. 2003
  80. Published

    Fluid flow and (reactive) transport in fractured and faulted rock

    Matthäi, S., 2003, In: Journal of geochemical exploration. 78-9, p. 179-182

    Research output: Contribution to journalArticleResearchpeer-review

  81. 2002
  82. Published
  83. Published

    New insights from reactive transport modelling: the formation of the sericitic vein envelopes during early hydrothermal, alteration at Butte, Montana

    Matthäi, S., Geiger, S., Haggerty, R. & Dilles, J., 2002, In: Geofluids. 2, p. 185-201

    Research output: Contribution to journalArticleResearchpeer-review

  84. Published

    Three-dimensional geometry, ore distribution and time-integrated mass transfer through the quartz-tourmaline-gold vein network of the Sigma deposit (Abitibi belt, Canada)

    Matthäi, S., Garofalo, P. & Heinrich, C., 2002, In: Geofluids. 2, p. 217-232

    Research output: Contribution to journalArticleResearchpeer-review

  85. 2001
  86. Published

    Complex systems platform: CSP3D3.0: User's guide

    Matthäi, S., 2001

    Research output: Book/ReportBookResearch

  87. Published

    Modelling multi-phase flow in the earth's crust using node-centred finite volumes on unstructured finite element grids

    Matthäi, S., Geiger, S. & Roberts, S., 2001

    Research output: Book/ReportCommissioned reportTransferpeer-review

  88. 1999
  89. Published

    Three-dimensional shear zone and joint geometry and permeability in the Sigma Gold Mine, Canada

    Matthäi, S. & Garofalo, P., 1999, Three-dimensional shear zone and joint geometry and permeability in the Sigma Gold Mine, Canada. Schweizerbart, p. 1411-1414

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  90. 1998
  91. Published

    Numerical simulation of departures from radial drawdown in a faulted sandstone reservoir with joints and deformation bands

    Matthäi, S., Aydin, A. & Roberts, S., 1998, Faulting, Fault Sealing and Fluid Flow in Hydrocarbon Reservoirs. p. 157-191

    Research output: Chapter in Book/Report/Conference proceedingChapterResearch

  92. Published

    Simulation of transient well-test signatures for geologically realistic faults in sandstone reservoirs1998

    Matthäi, S., 1998, In: SPE journal : SPEJ. 38442

    Research output: Contribution to journalArticleResearchpeer-review

  93. 1997
  94. Published

    Irregular alteration envelopes of mineralized fractures as a product of directed fluid flow and/or chemical dispersion?

    Matthäi, S., 1997, Irregular alteration envelopes of mineralized fractures as a product of directed fluid flow and/or chemical dispersion?. p. 237-239

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  95. Published

    Transient versus continuous fluid flow in seismically active faults: An investigation by electric analogue and numerical modelling

    Matthäi, S. & Roberts, S., 1997, Transient versus continuous fluid flow in seismically active faults: An investigation by electric analogue and numerical modelling. p. 263-295

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  96. 1996
  97. Published
  98. Published

    Quantitative modeling of fault-fluid-discharge and fault-dilation-induced fluid-pressure variations in the seismogenic zone

    Matthäi, S. & Fischer, G., 1996, In: Geology. 24, p. 183-186

    Research output: Contribution to journalArticleResearchpeer-review

  99. Published
  100. Published

    Transient versus continuous fluid flow in seismically-active faults: An investigation by electric analog and numerical modelling

    Matthäi, S. & Roberts, S., 1996, Fluid Flow and Transport in Rocks. p. 263-295

    Research output: Chapter in Book/Report/Conference proceedingChapterResearch

  101. 1995
  102. Published
  103. Published
  104. 1992
  105. Published

    ARAGUAINHA IMPACT CRATER, BRAZIL .1. THE INTERIOR PART OF THE UPLIFT

    Matthäi, S., Von Engelhardt, W. & Walzebuck, J., 1992, In: Meteoritics. 27, p. 442-457

    Research output: Contribution to journalArticleResearchpeer-review