Behzad Elahifar

(Former)

Research output

  1. Published
  2. 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 proceedingConference contribution

  3. 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

  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 proceedingConference contribution

  5. 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

  6. 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 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. Published

    Studying the ultrasonic caliper results for detecting the wellbore instability in real time drilling

    Elahifar, B., 2012.

    Research output: Contribution to conferencePosterpeer-review

  9. 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

  10. Published
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