Research output

41 - 50 out of 113Page size: 10
rss feed
  1. 2013
  2. 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

  3. 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

  4. 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

  5. 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

  6. 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

  7. 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

  8. 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

  9. 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

  10. 2012
  11. 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

  12. 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

Previous 1 2 3 4 5 6 7 8 ...12 Next

Advanced filters

All authors

Reset

to
Reset filters