Behzad Elahifar

(Former)

1 - 10 out of 19Page size: 10

Research output

  1. 2013
  2. 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

  3. 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

  4. 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

  5. Published

    Wellbore Instability Detection in Real Time Using Ultrasonic Measurements

    Elahifar, B., 2013

    Research output: Thesis › Doctoral Thesis

  6. 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

  7. 2012
  8. 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

  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 conference › Paper › peer-review

  10. Published

    An Energy Based Comparision of Alternative Drilling Methods

    Esmaeili, A. & Elahifar, B., 2012.

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

  11. 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

  12. 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

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