Gerhard Thonhauser

1 - 100 out of 111Page size: 100

Research output

  1. 2025
  2. Published

    Detecting downhole drilling events EP 4 189 206 B1

    Elmgerbi, A. (Inventor) & Thonhauser, G. (Inventor), 2025, Patent No. EP 4 189 206 B1

    Research output: Patent

  3. 2024
  4. Published

    Smart predictions of petrophysical formation pore pressure via robust data-driven intelligent models

    Krishna, S., Irfan, S. A., Keshavarz, S., Thonhauser, G. & Umer Ilyas, S., 24 Jul 2024, In: Multiscale and multidisciplinary modeling, experiments and design. 7.2024, 6, p. 5611-5630 20 p.

    Research output: Contribution to journal › Article › Research › peer-review

  5. E-pub ahead of print

    Evaluating Multi-target Regression Framework for Dynamic Condition Prediction in Wellbore

    Keshavarz, S., Elmgerbi, A., Vita, P. & Thonhauser, G., 23 Apr 2024, (E-pub ahead of print) In: The Arabian journal for science and engineering. 49.2024, June, p. 8953-8982 30 p.

    Research output: Contribution to journal › Article › Research › peer-review

  6. Published

    Deep reinforcement learning algorithm for wellbore cleaning across drilling operation

    Keshavarz, S., Elmgerbi, A. & Thonhauser, G., 25 Mar 2024, Fourth EAGE Digitalization Conference & Exhibition, Mar 2024, Volume 2024, p.1 - 5. Vol. 2024.

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  7. 2023
  8. Published

    Cellulose nanocrystals (CNCs) as a potential additive for improving API class G cement performance: An experimental study

    Elmgerbi, A., Abou Askar, I., Fine, A., Thonhauser, G. & Ashena, R., Jun 2023, In: Natural Gas Industry. B. 10.2023, 3, p. 233-244 12 p.

    Research output: Contribution to journal › Article › Research › peer-review

  9. Published

    A Reinforcement Learning Approach for Real-Time Autonomous Decision-Making in Well Construction

    Keshavarz, S., Vita, P., Rückert, E., Ortner, R. & Thonhauser, G., 19 Jan 2023, SPE AI Symposium 2023: Leveraging Artificial Intelligence to Shape the Future of the Energy Industry. (Society of Petroleum Engineers - SPE Symposium: Leveraging Artificial Intelligence to Shape the Future of the Energy Industry, AIS 2023).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  10. 2022
  11. E-pub ahead of print

    Ultrasound velocity profiling technique for in-line rheological measurements: A prospective review

    Krishna, S., Thonhauser, G., Kumar, S., Elmgerbi, A. & Ravi, K., 2 Nov 2022, (E-pub ahead of print) In: Measurement. 205.2022, December, 19 p., 112152.

    Research output: Contribution to journal › Article › Research › peer-review

  12. E-pub ahead of print

    Holistic autonomous model for early detection of downhole drilling problems in real-time

    Elmgerbi, A. & Thonhauser, G., 20 Jun 2022, (E-pub ahead of print) In: Process safety and environmental protection. 164.2022, August, p. 418-434 17 p.

    Research output: Contribution to journal › Article › Research › peer-review

  13. Published

    Machine Learning Techniques Application for Real-Time Drilling Hydraulic Optimization

    Elmgerbi, A., Thonhauser, G., Nascimento, A. & Chuykov, E., 21 Feb 2022.

    Research output: Contribution to conference › Paper

  14. Published

    DETECTING DOWNHOLE DRILLING EVENTS

    Elmgerbi, A. (Inventor) & Thonhauser, G. (Inventor), 3 Feb 2022, IPC No. E21B 47/ 06 A I, Patent No. WO2022022812, Priority date 28 Jul 2020, Priority No. WO2020EP71284

    Research output: Patent

  15. 2021
  16. Published

    Implementing the autonomous adaptive algorithm to manage ESP operation in harsh reservoir conditions

    Antonic, M., Solesa, M., Thonhauser, G., Aleksic, M. & Zolotukhin, A., 25 Nov 2021.

    Research output: Contribution to conference › Paper › peer-review

  17. Published

    Experimental approach for assessing filter-cake removability derived from reservoir drill-in fluids

    Elmgerbi, A., Thonhauser, G., Fine, A., Borovina, A. & Hincapie , R., 8 Sept 2021.

    Research output: Contribution to conference › Paper › peer-review

  18. Published

    Evaluation of Cement-Casing & Cement-Rock Bond Integrity during Well Operations.

    Lamik, A., Thonhauser, G., Ravi, K., Prohaska-Marchried, M., Pittino, G. & Antretter, T., 27 May 2021, p. 1-13. 13 p.

    Research output: Contribution to conference › Paper › peer-review

  19. Published

    Application of Machine Learning Techniques for Real-Time Rate of Penetration Optimization

    Elmgerbi, A., Thonhauser, G. (Co-editor), Ettinger, C. (Co-editor), Tekum, P. (Co-editor) & Nascimento, A., 26 May 2021.

    Research output: Contribution to conference › Paper › peer-review

  20. 2019
  21. Published

    Conception of a Web Operation System for Processing Petroleum Related Drilling Data: A Focus on Pre-Salt Real-Time Automation and Optimization

    Elmgerbi, A., Thonhauser, G., Nascimento, A., Pinheiro, Y. S., Vieira, L. C., Souza dos Santos, F. D. A., Mathias, M. H. & Hunt, J., 10 Apr 2019.

    Research output: Contribution to conference › Paper › peer-review

  22. Published

    The complexity of drilling digitalization, a display of potential pitfalls during implementation

    Lettner, A. & Thonhauser, G., Apr 2019.

    Research output: Contribution to conference › Paper

  23. Published

    Innovatives Trainingskonzept mittels Echtzeit-simulation des Bohrprozesses

    Lettner, A., Thonhauser, G. & Kucs, R., Feb 2019, In: Erdöl, Erdgas, Kohle. 135.2019, 2, p. 76-81 6 p.

    Research output: Contribution to journal › Conference article

  24. 2018
  25. Published

    Optimization of core retrieval using a Thermo-Poro-Elastic (T-P-E) approach

    Ashena, R., Thonhauser, G., Vortisch, W., Rasouli, V. & Azizmohammadi, S., Aug 2018, In: Journal of Petroleum Science and Engineering. 167.2018, August, p. 577-607 31 p.

    Research output: Contribution to journal › Article › Research › peer-review

  26. 2017
  27. Published

    A Thermoporoelastic (T-P-E) Model Developed for Core Tripping Failure Analysis

    Ashena, R., Thonhauser, G., Ott, H., Rasouli, V., Azizmohammadi, S. & Prohaska-Marchried, M., 27 Aug 2017.

    Research output: Contribution to conference › Presentation › Research › peer-review

  28. 2016
  29. Published

    Application of Computer Programming to Estimate Volumetric Change of an Active Drilling Fluid System Cause by Elastic Deformation of an Open Borehole Section Wall: Application of Computer Programming to Estimate Volumetric Change of an Active Drilling Fluid System Cause by Elastic Deformation of an Open Borehole Section Wall

    Elmgerbi, A., Thonhauser, G. (Co-editor), Prohaska-Marchried, M. (Co-editor), Roohi, A. (Co-editor) & Nascimento, A. (Co-editor), 1 Dec 2016.

    Research output: Contribution to conference › Paper › peer-review

  30. Published

    A Mathematical Approach Using Thermoporoelastic Model for Reamer While Drilling Efficiency Analysis and Closeness

    Roohi, A., Nascimento, A., Elmgerbi, A., Prohaska-Marchried, M. & Thonhauser, G., 5 Jul 2016, In: Research Journal of Applied Sciences, Engineering and Technology. 13.2016, 1, p. 7-14 8 p.

    Research output: Contribution to journal › Article › Research › peer-review

  31. Accepted/In press

    Enhanced Wireline Core Size Retrieval By Casing Drilling Coring

    Ashena, R., Prohaska-Marchried, M., Koller, C., Vortisch, W. & Thonhauser, G., Apr 2016, (Accepted/In press).

    Research output: Contribution to conference › Paper

  32. Accepted/In press

    Innovative Concepts For Wireline Continuous Coring Systems: SPE-180017-MS

    Ashena, R., Thonhauser, G., Vortisch, W., Prohaska-Marchried, M. & Koller, C., Apr 2016, (Accepted/In press).

    Research output: Contribution to conference › Paper

  33. Published

    An Investigation of Stuck Pipe Occurrences in Iran

    Roohi, A., Thonhauser, G., Makvandi, M., Shahbazi, K., Ashena, R., Zamani, A. & Elmgerbi, A., Mar 2016, In: International Journal of Scientific and Engineering Research. 7.2016, 3, p. 1001-1006 6 p.

    Research output: Contribution to journal › Article › Research › peer-review

  34. Published

    General Analytical Solution for Estimating the Elastic Deformation of an Open Borehole Wall

    Elmgerbi, A., Thonhauser, G., Prohaska-Marchried, M., Roohi, A. & Nascimento, A., 11 Feb 2016.

    Research output: Contribution to conference › Paper › peer-review

  35. Published

    Mathematical Approach of MSE in Thermo-Poro-Elastic Conditions Improves Decision Making to Use RWD

    Roohi, A., Elmgerbi, A., Nascimento, A., Prohaska-Marchried, M. & Thonhauser, G., 2016. 13 p.

    Research output: Contribution to conference › Paper

  36. 2015
  37. Published

    A Study of the Applicability of Bourgoyne & Young ROP Model and Fitting Reliability through Regression

    Elmgerbi, A., Thonhauser, G., Prohaska-Marchried, M., Roohi, A., Kutas, D., Nascimento, A. & Hugo Mathias, M., 9 Dec 2015.

    Research output: Contribution to conference › Paper

  38. Published

    Mathematical Modeling Applied to Drilling Engineering: An Application of Bourgoyne and Young ROP Model to a Presalt Case Study

    Elmgerbi, A., Thonhauser, G., Kutas, D., Nascimento, A. & Hugo Mathias, M., 20 Aug 2015, In: Mathematical Problems in Engineering.

    Research output: Contribution to journal › Article › Research › peer-review

  39. Published

    Application of Artificial Neural Networks in Geoscience and Petroleum Industry

    Ashena, R. & Thonhauser, G., 2015, Artificial Intelligent Approaches in Petroleum Geosciences. NY: Springer, p. 127 166 p.

    Research output: Chapter in Book/Report/Conference proceeding › Chapter › Education › peer-review

  40. Published

    Dynamic Drill-rate Test Approach Appplied to a Pre-salt Case Study

    Roohi, A., Nascimento, A., Elmgerbi, A., Prohaska-Marchried, M., Thonhauser, G. & Hugo Mathias, M., 2015. 10 p.

    Research output: Contribution to conference › Paper

  41. 2014
  42. Published

    Assessment of Reliability of Cement Bond Evaluation with Some Interesting Field Case Studies

    Ashena, R. & Thonhauser, G., Nov 2014.

    Research output: Contribution to conference › Paper

  43. Published

    Distributed recognition system for drilling events detection and classification

    Arnaout, A., O'Leary, P., Esmael, B. & Thonhauser, G., 2014, In: International Journal of Hybrid Intelligent Systems. 11, p. 25-39

    Research output: Contribution to journal › Article › Research › peer-review

  44. Published

    Modeling Transportation Logistics, Water Use, and Surface Footprint for Shale Gas Field Developments

    Mitschanek, M., Thonhauser, G. & Prohaska-Marchried, M., 2014, SPE/EAGE European Unconventional Resources Conference and Exhibition. p. 219-226

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  45. Published

    Statistical Study of Stuck Pipe in Different Iranian Oil and Gas Fields

    Roohi, A., Makvandi, M., Thonhauser, G., Shahbazi, K. & Zamani, A., 2014.

    Research output: Contribution to conference › Paper › peer-review

  46. Published

    Statistic Study of Stuck Pipe in Different Iranian Oil and Gas Fields

    Thonhauser, G., 2014, Statistic Study of Stuck Pipe in Different Iranian Oil and Gas Fields. p. 198-203

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  47. 2013
  48. Published

    Drilling Events Detection Using Hybrid Intelligent Segmentation Algorithm

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

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  49. Published

    Effect of Formations Compressive Strength on Drill String Vibrations

    Esmaeili, A., Elahifar, B., Fruhwirth, R. K. & Thonhauser, G., 2013, p. 4237-4240. 4 p.

    Research output: Contribution to conference › Paper › peer-review

  50. Published

    Experimental determination of wellbore diameter and shape (4D imaging of wellbore) by using ultrasonic caliper within different fluids for real-time drilling application

    Elahifar, B., Esmaeili, A., Fruhwirth, R. K. & Thonhauser, G., 2013, In: Oil gas European magazine. 39, 1, p. 16-19 4 p.

    Research output: Contribution to journal › Conference article › peer-review

  51. Published

    Experimental Determination of Wellbore Diameter and Shape ( 4D Imaging of Wellbore) by Using Ultrasonic Caliper within Different Fluids for Real-Time Drilling Application

    Thonhauser, G., 2013, In: Erdöl, Erdgas, Kohle. p. 16-19

    Research output: Contribution to journal › Article › Research › peer-review

  52. Published

    Formation Prediction Model based on Drill String Vibration Measurements Using Laboratory Scale Rig

    Esmaeili, A., Elahifar, B., Fruhwirth, R. K. & Thonhauser, G., 2013. 9 p.

    Research output: Contribution to conference › Paper › peer-review

  53. 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 proceeding › Conference contribution

  54. 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 proceeding › Conference contribution

  55. 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 journal › Conference article › peer-review

  56. 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 proceeding › Conference contribution

  57. 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 proceeding › Conference contribution

  58. 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 proceeding › Conference contribution

  59. 2012
  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 conference › Paper › peer-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 proceeding › Conference 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 proceeding › Conference contribution

  63. Published

    A Statistical Feature-Based Approach for Operations Recognition in Drilling Time Series

    Esmael, B., Arnaout, A., Fruhwirth, R. & Thonhauser, G., 2012, In: International Journal of Computer Information Systems and Industrial Management Applications . 4, 6, p. 100-108

    Research output: Contribution to journal › Article › Research › peer-review

  64. 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 proceeding › Conference contribution

  65. 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 proceeding › Conference contribution

  66. 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 proceeding › Conference contribution

  67. 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 proceeding › Conference contribution

  68. 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 proceeding › Conference contribution

  69. 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 proceeding › Conference contribution

  70. Published

    Environmental and Regulatory Assessment: Ukraine Shale Gas

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

    Research output: Book/Report › Commissioned report › Transfer › peer-review

  71. Published

    Environmental (Baseline) Monitoring for Shale Gas Development in Ukraine

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

    Research output: Book/Report › Commissioned report › Transfer › peer-review

  72. 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 proceeding › Conference contribution

  73. 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 proceeding › Conference contribution

  74. 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 proceeding › Conference contribution

  75. 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 proceeding › Conference contribution

  76. Published

    Laboratory Scale Control of Drilling Parameters to Enhance Rate of Penetration and Reduce Drill String Vibration

    Esmaeili, A., Elahifar, B., Fruhwirth, R. K. & Thonhauser, G., 2012, SPE Saudi Arabia Section Technical Symposium and Exhibition. p. 1-9

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  77. Published

    Laboratory Scale Control of Drilling Parameters to Enhance Rate of Penetration and Reduce Drill String Vibration Sensor Sub

    Thonhauser, G., 2012, Parameters to Enhance Rate of Penetration and Reduce Drill String Vibration Sensor Sub. p. 2033-2045

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  78. Published

    Model Based Monitoring of Wellbore Hydraulics for Abnormal Event Detection

    Todorov, D., Fruhwirth, R. K. & Thonhauser, G., 2012. 2 p.

    Research output: Contribution to conference › Paper › peer-review

  79. Published

    Multivariate Time Series Classification by Combining Trend-Based and Value-Based Approximations

    Esmael, B., Arnaout, A., Thonhauser, G. & Fruhwirth, R., 2012, 12th international conference on Computational Science and Its Applications. p. 392-403

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  80. Published

    Multivariate Time Series Classification by Combining Trend-Based and Value-Based Approximations

    Thonhauser, G., 2012, In: Computational materials science. p. 392-403

    Research output: Contribution to journal › Article › Research › peer-review

  81. Published

    Produced and Used Water Management during Shale Gas Development in Ukraine

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

    Research output: Book/Report › Commissioned report › Transfer › peer-review

  82. Published

    Real Time Measurement of Borehole Shape and Diameter by Using Ultrasonic Caliper in Different Drilling Fluid and Wellbore Conditions

    Thonhauser, G., 2012, Real Time Measurement of Borehole Shape and Diameter by Using Ultrasonic Caliper in Different Drilling Fluid and Wellbore Conditions. p. 1011-1020

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  83. Published

    Real Time Measurement of Borehole Shape and Diameter by Using Ultrasonic Caliper in Different Drilling Fluid and Wellbore Conditions for Detecting Instabilities

    Elahifar, B., Esmaeili, A., Fruhwirth, R. K. & Thonhauser, G., 2012, Society of Petroleum Engineers. p. 1-7

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  84. Published

    ROP Modeling Using Neural Network and Drill String Vibration Data

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

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  85. Published

    Scaling of flow loops based on the Bingham plastic model

    Todorov, D., Fruhwirth, R. K. & Thonhauser, G., 2012. 6 p.

    Research output: Contribution to conference › Paper › peer-review

  86. Published

    Unconventional Gas: Potential Energy Market Impacts in the European Union

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

    Research output: Book/Report › Commissioned report › Transfer › peer-review

  87. Published

    Using Neural Network Technique to Study the Effect of Formation Mechanical Properties on Dynamic Behavior of Drill String

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

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  88. 2011
  89. Published

    An Energy Based Comparison of Alternative Drilling Methods

    Elahifar, B., Esmaeili, A., Prohaska-Marchried, M. & Thonhauser, G., 2011, SPE/IADC Middle East Drilling Technology Conference and Exhibition. p. 1-13

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  90. Published

    An Energy Based Comparison of Alternative Drilling Methods

    Thonhauser, G., 2011, An Energy Based Comparison of Alternative Drilling Methods. p. 489-502

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  91. Published

    An Energy Based Comparison of Laser Drilling Methods

    Thonhauser, G., 2011, SPE / IADC Middle East Drilling Technology Conference and Exhibition. p. 23-34

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  92. Published

    An Energy Based Comparison of Laser Drilling Methods

    Esmaeili, A., Elahifar, B., Prohaska-Marchried, M. & Thonhauser, G., 2011, Proceedings Celle Drilling 2011. p. 1-1

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  93. Published

    An Energy Based Comparison of Laser Drilling Methods

    Thonhauser, G., 2011, Geo Energy / Gebo Coference Drilling. p. 12 -23

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  94. Published

    Autamated Real -time Drilling Hydraulics Monitoring

    Thonhauser, G., 2011, SPE / IADC Drilling Conference and Exhibition. p. 21-29

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  95. Published

    Automated System for Drilling Operations Classification Using Statistical Features

    Thonhauser, G., 2011, SPE Enhanced Oil Recovery Conference. p. 87-95

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  96. Published

    Automated System for Drilling Operations Classification Using Statistical Features

    Esmael, B., Arnaout, A., Thonhauser, G. & Fruhwirth, R., 2011, HIS11, 11th International Conference On Hybrid Intelligent Systems. p. 196-199

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  97. Published

    Automatic Threshold Tracking of Sensors Data Using Expectation Maximization Algorithm

    Thonhauser, G., 2011, SPE Enhanced Oil Recovery Conference. p. 44 -51

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  98. Published

    Automatic Threshold Tracking of Sensors Data Using Expectation Maximization Algorithm

    Arnaout, A., Esmael, B., Thonhauser, G. & Fruhwirth, R., 2011, HIS11, 11th International Conference On Hybrid Intelligent Systems. p. 551-554

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  99. Published

    Carbon Dioxide Absorption in a Technical - Scale - Plant Utilizing a Blend of Quaternary Carboxylate Ionic Liquids

    Thonhauser, G., 2011, In: Separation and Purification Technology. p. 31-43

    Research output: Contribution to journal › Article › Research › peer-review

  100. Published

    Carbon Dioxide Absorption in a Technical - Scale - Plant Utilizing a Blend of Quaternary Carboxylate Ionic Liquidy

    Thonhauser, G., 2011, 1st International Conference on Ionic Liquids in Seperation and Purification Technology 2011. p. 78-90

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  101. Published

    Gleichgewichtskurven für Methan , Kohlendioxid und Schwefelwasserstoff in einem imidazoliumbasierten IL-Blend

    Thonhauser, G., 2011.

    Research output: Contribution to conference › Poster › Research › peer-review

  102. Published

    Pressure - Equilibrium Curves of Typical Natural Gas Components in a Blend of Imidazolium Based Ionic Liquids for Selective Absorption

    Thonhauser, G., 2011.

    Research output: Contribution to conference › Poster › Research › peer-review

  103. Published

    Rigouros Identification of Unplanned and Invisible Lost Time for Value Proposition Aimed at Performance Improvement

    Thonhauser, G., 2011, SPE / IADC Drilling Conference and Exhibition. p. 44 -51

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  104. Published

    Selective Removal of Troublesome Natural Gas Components Utilising a Blend of Ionic Liquids

    Thonhauser, G., 2011, 4th Congrss on Ionic Liquids. p. 23-31

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  105. Published

    Solubility Measurements of Carbon Dioxide in Ionic Liquids - from Screening to Pressure Equilibrium Curves for a Blend of Emim Acetate and an Additive

    Thonhauser, G., 2011, In: International Journal of Greenhouse Gas Control. p. 22-31

    Research output: Contribution to journal › Article › Research › peer-review

  106. 2010
  107. Published

    Abnormal Oil Well Drilling Operations detection Using Smallest Principal Components

    Thonhauser, G. & Esmael, B., 2010, Abnormal Oil Well Drilling Operations Detection Using Smallest Principal Components. p. 44-47

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  108. Published

    Abnormal Oil Well Drilling Operations Detection Using Smallest Principal Components

    Arnaout, A., Esmael, B., Fruhwirth, R. K. & Thonhauser, G., 2010. 4 p.

    Research output: Contribution to conference › Paper › peer-review

  109. Published

    Automated Operations Classification using Text Mining Techniques

    Esmael, B., Arnaout, A., Fruhwirth, R. K. & Thonhauser, G., 2010. 4 p.

    Research output: Contribution to conference › Paper › peer-review

  110. Published

    Drilling 10,000 Wells Onshore Europe - Is that where we are headed ?

    Thonhauser, G., 2010, EFD Workshop Florence. p. 156-160

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  111. Published

    Implementation of Automated Torque -and Drag Monitoring for Maari Field Developement

    Thonhauser, G., Niedermayr, M., Zöllner, P., Pearse, J. & Banks, M., 2010, IADC/SPE Drilling Conference New Orleans. p. 55 -64

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  112. Published

    Operations Classification Using Text Mining Techniques

    Thonhauser, G. & Esmael, B., 2010, Operations Classification Using Text Mining Techniques. p. 123-127

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  113. Published

    The Drilling Champion

    Thonhauser, G., 2010, The Drilling Champion. p. 44-50

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  114. 2009
  115. Published

    Automated Drilling Performance Measurement of Crews and Drilling Equipment

    Thonhauser, G., 2009, Drilling Conference and Exhibition. p. 1-5

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  116. Published

    Case History: Automated Drilling Performance Measurement of Crews and Drilling Equipment

    Thonhauser, G., 2009, SPE/IADC Drilling Conference and Exhibition. p. 1-10

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Previous 1 2 Next
View graph of relations

Contact

Phone: 3050

Latest Research Output

View more (111)