Gerhard Thonhauser

Research output

  1. 2013
  2. 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

  3. 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

  4. 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

  5. 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

  6. 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

  7. 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

  8. 2012
  9. 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

  10. 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

  11. 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

  12. Published
  13. 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

  14. 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

  15. 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

  16. 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

  17. 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

  18. 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

  19. Published

    Environmental and Regulatory Assessment: Ukraine Shale Gas

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

    Research output: Book/ReportCommissioned reportTransferpeer-review

  20. Published

    Environmental (Baseline) Monitoring for Shale Gas Development in Ukraine

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

    Research output: Book/ReportCommissioned reportTransferpeer-review

  21. 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

  22. 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