Department Geoenergy

Organisational unit: Departments and Institutes

Research output

  1. 2013
  2. Published
  3. Published

    Fracking: Energie-Traum und Öko-Alptraum

    Hofstätter, H., 2013, In: Format. 04.04.2013, p. 20-20

    Research output: Contribution to journalArticleResearchpeer-review

  4. Published

    Fracking erobert Europa

    Hofstätter, H., 2013, In: News : Österreichs größtes Nachrichtenmagazin ; Politik, Geld, Szene, Leute . 28.05.2013, p. 11-11

    Research output: Contribution to journalArticleResearchpeer-review

  5. Published
  6. Published
  7. Published

    Impact of wettability on two-phase displacement patterns in granular media

    Trojer, M., Szulczewski, M., Holtzman, R. & Juanes, R., 2013.

    Research output: Contribution to conferencePosterResearchpeer-review

  8. Published

    Improving Time Series Classification Using Hidden Markov Models

    Esmael, B., Arnaout, A., Fruhwirth, R. & Thonhauser, G., 2013, Hybrid Intelligent Systems (HIS) Conference. p. 1-1

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

  9. Published

    Investigation of effective mechanisms in permeability reduction due to asphaltene deposition through porous media

    Khederzadeh, M., Ostadrezaei, S., Kharrat, R., Bagherzadeh, H., Mahdavi, S. & Khalife, M., 2013, Society of Petroleum Engineers - SPE European Formation Damage Conference and Exhibition 2013: Unconventional and Conventional Solutions to Challenging Reservoirs. p. 1198-1213 16 p. (SPE - European Formation Damage Conference, Proceedings, EFDC; vol. 2).

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

  10. Published
  11. Published

    Mapping geo-cellular models to unstructured simulation grids

    Mosser, L., 2013, Annual Technical Conference and Exhibition. p. 1-13

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

  12. Published

    Model-Based Hookload Monitoring and Prediction at Drilling Rigs using Neural Networks and Forward-Selection Algorithm

    Arnaout, A., Esmael, B., Thonhauser, G. & Fruhwirth, R., 2013, European Geosciences Union General Assembly 2012. p. 1-1

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

  13. Published

    Model Based Monitoring of Wellbore Hydraulics for Abnormal Event Detection

    Todorov, D., Fruhwirth, R. K. & Thonhauser, G., 2013, In: Oil gas European magazine. 39, 1, p. 33-35 3 p.

    Research output: Contribution to journalConference articlepeer-review

  14. Published
  15. Published

    Non-percolating gravity driven migration phenomena in porous media Part 1. Experimental results vs. Simulation

    Trojer, M. & Oberaigner, E., 2013, nan. p. 1-1

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

  16. Published

    On the control of glass micro-model characteristics developed by laser technology

    Mohammadi, S., Maghzi, A., Ghazanfari, M. H., Masihi, M., Mohebbi, A. & Kharrat, R., 2013, In: Energy Sources, Part A: Recovery, Utilization and Environmental Effects. 35, 3, p. 193-201 9 p.

    Research output: Contribution to journalArticleResearchpeer-review

  17. Published

    Operations Recognition at Drill-Rigs

    Esmael, B., Arnaout, A., Thonhauser, G. & Fruhwirth, R., 2013, European Geosciences Union General Assembly 2012. p. 1-1

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

  18. Published
  19. Published
  20. Published
  21. Published

    Real-Time Classification of Drilling Operations using Trend Analysis of Hookload Sensor Measurements

    Arnaout, A., Esmael, B., Fruhwirth, R. & Thonhauser, G., 2013, Kuwait International Petroleum Conference and Exhibition. p. 1-1

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

  22. Published

    Recommendation of Counteractions for Prevention of Critical Events in Sub-Surface Drilling Environments

    Winter, M., Riedel, F., Lee, F., Fruhwirth, R. K., Kronsteiner, F., Zeiner, H. & Vallant, H., 2013, In: International Journal of Decision Support System Technology. 5, 3, p. 12-30 19 p.

    Research output: Contribution to journalArticleResearchpeer-review

  23. Published

    Sachlage wird uns zum Fracking zwingen

    Hofstätter, H., 2013, In: Die Presse. p. 13-13

    Research output: Contribution to journalArticleResearchpeer-review

  24. Published

    Sauber arbeiten, dann wird nichts passieren

    Hofstätter, H., 2013, In: Kurier. 30.05.2013, p. 9-9

    Research output: Contribution to journalArticleResearchpeer-review

  25. Published

    Simulating heat transfer in an underground thermal storage facility

    Maierhofer, M., 2013, 98 p.

    Research output: ThesisMaster's Thesis

  26. Published
  27. Published
  28. Published

    USA schwelgen im Frackingrausch

    Hofstätter, H., 2013, In: Kurier. 31.05.2013, p. 6-6

    Research output: Contribution to journalArticleResearchpeer-review

  29. Published

    US-Boom Fracking auch in Südtirol möglich

    Hofstätter, H., 2013, In: Z : die Zeitung am Sonntag. 24, 8, p. 14-14

    Research output: Contribution to journalArticleResearchpeer-review

  30. Published

    US-Boom Fracking auch in Südtirol möglich?

    Hofstätter, H., 2013, In: Z : die Zeitung am Sonntag. 24, 8, p. 25-25

    Research output: Contribution to journalArticleResearchpeer-review

  31. Published
  32. Published

    Verification of a Methodology of Permeability Upscaling using Wavelets

    Mofarrah, M., 2013, 80 p.

    Research output: ThesisMaster's Thesis

  33. Published
  34. Published

    Wellbore Instability Monitoring by Using 4D Imaging of Ultrasonic Caliper Logs in Real Time Drilling

    Elahifar, B., Esmaeili, A., Fruhwirth, R. K. & Thonhauser, G., 2013, Wellbore Instability Monitoring by Using 4D Imaging of Ultrasonic Caliper Logs in Real Time Drilling. p. 4346-4353 8 p.

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

  35. 2012
  36. Published

    An experimental study on the applicability of water-alternating-co 2 injection in the secondary and tertiary recovery in one iranian reservoir

    Motealleh, M., Kharrat, R., Gandomkar, A., Khanamiri, H., Nematzadeh, M. & Ghazanfari, M., 15 Dec 2012, In: Petroleum science and technology. 30, 24, p. 2571-2581 11 p.

    Research output: Contribution to journalArticleResearchpeer-review

  37. Published

    The determination of effective diffusivity coefficients in a solvent gas heavy oil system for methane

    Zamanian, E., Dadvar, M., Kharrat, R. & Ghazanfari, M. H., 15 Dec 2012, In: Petroleum science and technology. 30, 24, p. 2582-2593 12 p.

    Research output: Contribution to journalArticleResearchpeer-review

  38. Published

    Phase behavior modeling of asphaltene precipitation for heavy crudes: A promising tool along with experimental data

    Tavakkoli, M., Kharrat, R., Masihi, M., Ghazanfari, M. H. & Fadaei, S., Dec 2012, In: International journal of thermophysics. 33, 12, p. 2251-2266 16 p.

    Research output: Contribution to journalArticleResearchpeer-review

  39. Published

    The tertiary FAWAG process on gas and water invaded zones: An experimental study

    Gandomkar, A. & Kharrat, R., 15 Oct 2012, In: Energy Sources, Part A: Recovery, Utilization and Environmental Effects. 34, 20, p. 1913-1922 10 p.

    Research output: Contribution to journalArticleResearchpeer-review

  40. Published

    Experimental study of polymer flooding in fractured systems using five-spot glass micromodel: The role of fracture geometrical properties

    Abedi, B., Ghazanfari, M. & Kharrat, R., 1 Oct 2012, In: Energy exploration & exploitation. 30, 5, p. 689-706 18 p.

    Research output: Contribution to journalArticleResearchpeer-review

  41. Published

    A comparative study on WAS, SWAS, and solvent-soak scenarios applied to heavy-oil reservoirs using five-spot glass micromodels

    Farzaneh, S. A., Dehghan, A. A., Ghazanfari, M. H. & Kharrat, R., Sept 2012, In: Journal of Canadian Petroleum Technology. 51, 5, p. 383-392 10 p.

    Research output: Contribution to journalArticleResearchpeer-review

  42. Published

    Pore-scale description of surfactant-enhanced waterflooding for heavy oil recovery

    Yadali Jamaloei, B. & Kharrat, R., Aug 2012, In: Journal of Petroleum Science and Engineering. 92-93, p. 89-101 13 p.

    Research output: Contribution to journalArticleResearchpeer-review

  43. Published

    Monitoring wettability alteration by silica nanoparticles during water flooding to heavy oils in five-spot systems: A pore-level investigation

    Maghzi, A., Mohammadi, S., Ghazanfari, M. H., Kharrat, R. & Masihi, M., Jul 2012, In: Experimental Thermal and Fluid Science. 40, p. 168-176 9 p.

    Research output: Contribution to journalArticleResearchpeer-review

  44. Published

    The influence of salinity on the viscous instability in viscous-modified low-interfacial tension flow during surfactant-polymer flooding in heavy oil reservoirs

    Yadali Jamaloei, B., Kharrat, R. & Asghari, K., Jul 2012, In: Fuel. 97, p. 174-185 12 p.

    Research output: Contribution to journalArticleResearchpeer-review

  45. Published

    The investigation of suitability of different capillary number definitions for flow behavior characterization of surfactant-based chemical flooding in heavy oil reservoirs

    Yadali Jamaloei, B., Asghari, K. & Kharrat, R., Jul 2012, In: Journal of Petroleum Science and Engineering. 90-91, p. 48-55 8 p.

    Research output: Contribution to journalArticleResearchpeer-review

  46. Published

    Gas assisted gravity drainage by CO 2 injection

    Akhlaghi, N., Kharrat, R. & Mahdavi, S., 29 Jun 2012, In: Energy Sources, Part A: Recovery, Utilization and Environmental Effects. 34, 17, p. 1619-1627 9 p.

    Research output: Contribution to journalArticleResearchpeer-review

  47. Published

    The lessons learned from miscible gas flooding in naturally fractured reservoirs: Integrated studies, and pilot and field cases

    Jamaloei, B. Y. & Kharrat, R., 27 Jun 2012, In: Petroleum science and technology. 30, 17, p. 1802-1812 11 p.

    Research output: Contribution to journalArticleResearchpeer-review

  48. Published

    An integrated reservoir characterization analysis in a carbonate reservoir: A case study

    Chekani, M. & Kharrat, R., 31 May 2012, In: Petroleum science and technology. 30, 14, p. 1468-1485 18 p.

    Research output: Contribution to journalArticleResearchpeer-review

  49. Published

    Method of Treating a Borehole and Drilling Fluid

    Kalb, R. (Inventor) & Hofstätter, H. (Inventor), 3 May 2012, IPC No. C09K 8/ 02 A I, Patent No. US2012103614, Priority date 17 Mar 2010, Priority No. WO2010EP53482

    Research output: Patent

  50. Published

    An experimental study of secondary WAG injection in a low-temperature carbonate reservoir in different miscibility conditions

    Nematzadeh, M., Khanamiri, H., Aghajani, M., Kharrat, R., Gandomkar, A., Motealleh, M. & Ghazanfari, M., 30 Apr 2012, In: Petroleum science and technology. 30, 13, p. 1359-1368 10 p.

    Research output: Contribution to journalArticleResearchpeer-review

  51. Published

    СПОСОБ ОБРАБОТКИ БУРОВОЙ СКВАЖИНЫ И ПРОМЫВОЧНАЯ ЖИДКОСТЬ ДЛЯ БУРЕНИЯ

    Hofstätter, H. (Inventor) & Kalb, R. (Inventor), 30 Apr 2012, IPC No. C09K 8/ 035 A I, Patent No. EA201101343, Priority date 17 Mar 2010, Priority No. WO2010EP53482

    Research output: Patent

  52. Published

    Method of treating borehole and drilling fluid

    Kalb, R. (Inventor) & Hofstätter, H. (Inventor), 25 Apr 2012, IPC No. C09K 8/ 035 A I, Patent No. CN102428156, Priority date 17 Mar 2010, Priority No. WO2010EP53482

    Research output: Patent

  53. Published

    A new approach to the modeling of a simple re-infiltration gravity drainage process in naturally fractured reservoirs

    Askarinezhad, R., Kharrat, R. & Shadizadeh, S. R., 30 Mar 2012, In: Petroleum science and technology. 30, 10, p. 1004-1020 17 p.

    Research output: Contribution to journalArticleResearchpeer-review

  54. Published

    An experimental investigation of foam for gas mobility control in a low-temperature fractured carbonate reservoir

    Gandomkar, A., Kharrat, R., Motealleh, M., Khanamiri, H. H., Nematzadeh, M. & Ghazanfari, M. H., 30 Mar 2012, In: Petroleum science and technology. 30, 10, p. 976-985 10 p.

    Research output: Contribution to journalArticleResearchpeer-review

  55. Published

    Optimization assisted asphaltene deposition modeling in porous media during a natural depletion scheme

    Hematfar, V., Bagheri, M., Kharrat, R., Ghazanfari, M. & Ghotbi, C., 14 Mar 2012, In: Petroleum science and technology. 30, 9, p. 958-965 8 p.

    Research output: Contribution to journalArticleResearchpeer-review

  56. Published
  57. Published

    An experimental investigation of fracture tilt angle effects on frequency and stability of liquid bridges in fractured porous media

    Mashayekhizadeh, V., Kharrat, R., Ghazanfari, M. H. & Dejam, M., 29 Feb 2012, In: Petroleum science and technology. 30, 8, p. 807-816 10 p.

    Research output: Contribution to journalArticleResearchpeer-review

  58. Published

    Five-spot injection/production well location design based on fracture geometrical characteristics in heavy oil fractured reservoirs during miscible displacement: An experimental approach

    Saidian, M., Ghazanfari, M. H., Masihi, M. & Kharrat, R., Feb 2012, In: Chemical engineering communications. 199, 2, p. 306-320 15 p.

    Research output: Contribution to journalArticleResearchpeer-review

  59. Published

    VERFAHREN ZUR BEHANDLUNG EINES BOHRLOCHS SOWIE BOHRSCHLAMM

    Kalb, R. (Inventor) & Hofstätter, H. (Inventor), 25 Jan 2012, IPC No. C09K 8/ 035 A I, Patent No. EP2408874, Priority date 17 Mar 2010, Priority No. WO2010EP53482

    Research output: Patent

  60. Published

    Accuracy of ultrasonic sensor in caliper log

    Elahifar, B., Esmaeili, A., Fruhwirth, R. K. & Thonhauser, G., 2012. 5 p.

    Research output: Contribution to conferencePaperpeer-review

  61. Published

    Accuracy of Ultrasonic Sensor in Caliper Log

    Elahifar, B., Esmaeili, A., Fruhwirth, R. K. & Thonhauser, G., 2012, (I2MTC), 2012 IEEE International. p. 449-453

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

  62. Published

    Accuracy of Ultrasonic Sensor in Caliper Log

    Thonhauser, G., 2012, Accuracy of Ultrasonic Sensor in Caliper Log. p. 13-20

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

  63. Published
  64. Published

    A comprehensive eor study of a highly fractured matured field-Case study (SPE 153311)

    Ghorbani, D. & Kharrat, R., 2012, 74th European Association of Geoscientists and Engineers Conference and Exhibition 2012 Incorporating SPE EUROPEC 2012: Responsibly Securing Natural Resources. p. 4984-4995 12 p. (74th European Association of Geoscientists and Engineers Conference and Exhibition 2012 Incorporating SPE EUROPEC 2012: Responsibly Securing Natural Resources).

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

  65. Published
  66. Published

    Amal field artificial lift optimization

    Elwefati, A. A., 2012, 104 p.

    Research output: ThesisMaster's Thesis

  67. Published

    Amnesty macht Ölpest im Nigerdelta zum Thema

    Hofstätter, H., 2012, In: Kleine Zeitung / Steiermark - Leoben und rund um den Erzberg. 27.04.2012

    Research output: Contribution to journalArticleResearchpeer-review

  68. Published

    A Modified Archie Relationship for Vuggy Carbonates

    Müller, E., 2012.

    Research output: Contribution to conferencePosterResearchpeer-review

  69. Published

    A Modified Archie Relationship for Vuggy Carbonates

    Müller, E., 2012, EarthDoc. p. 1-4

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

  70. Published

    Analysis of Drill String Dynamic Behavior

    Esmaeili, A., 2012.

    Research output: Contribution to conferencePosterResearchpeer-review

  71. Published

    An Energy Based Comparision of Alternative Drilling Methods

    Esmaeili, A. & Elahifar, B., 2012.

    Research output: Contribution to conferencePosterResearchpeer-review

  72. Published

    A review on thermal enhanced heavy oil recovery from fractured carbonate reservoirs

    Ghoodjani, E., Kharrat, R., Vossoughi, M. & Bolouri, S. H., 2012, Society of Petroleum Engineers - SPE Heavy Oil Conference Canada 2012. p. 231-238 8 p. (Society of Petroleum Engineers - SPE Heavy Oil Conference Canada 2012; vol. 1).

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

  73. Published

    Artificial Lift Optimization for Cherouq Field (Tunisia)

    Elhooni, A. M. O., 2012, 152 p.

    Research output: ThesisMaster's Thesis

  74. Published

    Asphaltene deposition study and its effects on permeability reduction - A case study (SPE 153512)

    Razavi, S. M., Kharrat, R. & Zargar, Z., 2012, 74th European Association of Geoscientists and Engineers Conference and Exhibition 2012 Incorporating SPE EUROPEC 2012: Responsibly Securing Natural Resources. p. 5097-5108 12 p. (74th European Association of Geoscientists and Engineers Conference and Exhibition 2012 Incorporating SPE EUROPEC 2012: Responsibly Securing Natural Resources).

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

  75. Published
  76. Published
  77. Published
  78. Published

    Axial Vibration Monitoring in Laboratory Scale Using CDC miniRig and Vibration Sensor Sub

    Esmaeili, A., Elahifar, B., Fruhwirth, R. K. & Thonhauser, G., 2012, IEEE International. p. 512-517

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

  79. Published

    Axial Vibration Monitoring in Laboratory Scale Using CDC MiniRig and Vibration Sensor Sub

    Thonhauser, G., 2012, Axial Vibration Monitoring in Laboratory Scale Using CDC MiniRig and Vibration Sensor Sub. p. 167-180

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

  80. Published

    Der Gasschatz unterm Weinviertel

    Hofstätter, H., 2012, In: Kronen-Zeitung. 18.03.2012

    Research output: Contribution to journalArticleResearchpeer-review

  81. Published
  82. Published

    Determination of the Diffusion Coefficient for CO2 in Porous Media

    Ahmadi, T., 2012, 57 p.

    Research output: ThesisMaster's Thesis

  83. Published

    Determining the Accuracy of Ultrasonic Caliper Measurements for Real Time Drilling Application

    Elahifar, B., Esmaeili, A., Fruhwirth, R. K. & Thonhauser, G., 2012, Society of Petroleum Engineers. p. 1-11

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

  84. Published

    Determining the Accuracy of Ultrasonic Sensor in Caliper Log for Real Time Drilling Measurements

    Thonhauser, G., 2012, Determining the Accuracy of Ultrasonic Sensor in Caliper Log for Real Time Drilling Measurements. p. 499-506

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

  85. Published

    Diagnosing Drilling Problems Using Visual Analytics of Sensors Measurements

    Arnaout, A., Esmael, B., Thonhauser, G. & Fruhwirth, R., 2012, Instrumentation and Measurement Technology Conference (I2MTC). p. 1750-1753

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

  86. 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

  87. Published
  88. Published

    Effect of Formation Mechanical Properties on Dynamic Behaviour of Drill String

    Thonhauser, G., 2012, Effect of Formation Mechanical Properties on Dynamic Behaviour of Drill String. p. 154-160

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

  89. Published
  90. Published

    Environmental and Regulatory Assessment: Ukraine Shale Gas

    Prohaska-Marchried, M. & Thonhauser, G., 2012

    Research output: Book/ReportCommissioned reportTransferpeer-review

  91. Published

    Environmental (Baseline) Monitoring for Shale Gas Development in Ukraine

    Prohaska-Marchried, M. & Thonhauser, G., 2012

    Research output: Book/ReportCommissioned reportTransferpeer-review

  92. Published

    Experimental Determination of Wellbore Diameter and Shape by Using Ultrasonic Caliper Within Different Fluids for Real Time Drilling Application

    Elahifar, B., Esmaeili, A., Fruhwirth, R. K. & Thonhauser, G., 2012, Celle Drilling 2012. p. 1-2

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

  93. Published

    Experimental Evaluation of Real-Time Mechanical Formation Classification using Drill String Vibration Measurements

    Esmaeili, A., Elahifar, B., Fruhwirth, R. K. & Thonhauser, G., 2012, SPE Annual Technical Conference and Exhibition. p. 1-13

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

  94. Published

    Experimental Evaluation of Real-Time Mechanical Formation Formation Classification Using Drill String Vibration Measurements

    Thonhauser, G., 2012, Experimental Evaluation of Real-Time Mechanical Formation Formation Classification Using Drill String Vibration Measurements. p. 1033-1042

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

  95. Published

    Experimental study of miscible displacement with hydrocarbon solvent in shaly heavy oil reservoirs using five-spot micromodels: The role of shale geometrical characteristics

    Mohammadi, S., Ghazanfari, M. H., Masihi, M. & Kharrat, R., 2012, In: Journal of Porous Media. 15, 5, p. 415-427 13 p.

    Research output: Contribution to journalArticleResearchpeer-review

  96. 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

  97. Published

    "Fracking" hat lange Tradition

    Hofstätter, H., 2012, In: Kurier. 24.07.2012

    Research output: Contribution to journalArticleResearchpeer-review

  98. Published
  99. Published

    HEIMAT BIST DU GROSSER SCHÄTZE

    Hofstätter, H., 2012, In: Report (+) Plus . 21.02.2012

    Research output: Contribution to journalArticleResearchpeer-review

  100. Published

    Hybrid Multiple Classifier System for Recognizing Usual and Unusual Drilling Events

    Esmael, B., Arnaout, A., Thonhauser, G. & Fruhwirth, R., 2012, Instrumentation and Measurement Technology Conference (I2MTC), 2012 IEEE International. p. 1754-1758

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

  101. Published
  102. Published

    Improvement of the resistance of titanium aluminides to environmental embrittlement

    Masset, P. J., Bleicher, F., Bortolotto, L., Geiger, G., Kolitsch, A., Langlade, C., Paul, J., Pelic, B., Pyczak, F., Rafaja, D., Schumacher, P., Schütze, M., Wolf, G. & Yankov, R. A., 2012, In: ECS transactions. 50, 44, p. 127-141 15 p.

    Research output: Contribution to journalArticleResearchpeer-review

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