Behzad Elahifar

(Former)

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Research output

  1. 2012
  2. 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

  3. 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

  4. 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

  5. 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

  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 proceeding › Conference contribution

  7. Published

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

    Elahifar, B., 2012.

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

  8. 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

  9. 2011
  10. 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

  11. 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

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