Gerhard Thonhauser

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Research output

  1. 2012
  2. 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

  3. 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

  4. 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

  5. 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

  6. 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

  7. 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

  8. Published

    Environmental and Regulatory Assessment: Ukraine Shale Gas

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

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

  9. 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

  10. 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

  11. 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

  12. 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

  13. 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

  14. 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

  15. 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

  16. 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

  17. 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

  18. 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

  19. 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

  20. 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

  21. 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

  22. 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

  23. 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

  24. 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

  25. 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

  26. 2011
  27. 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

  28. 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

  29. 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

  30. 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

  31. 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

  32. 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

  33. 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

  34. 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

  35. 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

  36. 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

  37. 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

  38. 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

  39. Published

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

    Thonhauser, G., 2011.

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

  40. 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

  41. 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

  42. 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

  43. 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

  44. 2010
  45. 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

  46. 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

  47. 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

  48. 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

  49. 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

  50. 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

  51. Published

    The Drilling Champion

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

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

  52. 2009
  53. 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

  54. 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

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