Gerhard Thonhauser
Research output
- 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
- 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. 1-13Research output: Chapter in Book/Report/Conference proceeding › Conference contribution
- 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. 1-2Research output: Chapter in Book/Report/Conference proceeding › Conference contribution
- 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. 1-7Research output: Chapter in Book/Report/Conference proceeding › Conference contribution
- 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. 1-11Research output: Chapter in Book/Report/Conference proceeding › Conference contribution
- 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
- 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
- Published
Assessment of Reliability of Cement Bond Evaluation with Some Interesting Field Case Studies
Ashena, R. & Thonhauser, G., Nov 2014.Research output: Contribution to conference › Paper
- Published
Application of Artificial Neural Networks in Geoscience and Petroleum Industry
Ashena, R. & Thonhauser, G., 2015, Artificial Intelligent Approaches in Petroleum Geosciences. NY: Springer, p. 127 166 p.Research output: Chapter in Book/Report/Conference proceeding › Chapter › Education › peer-review
- Accepted/In press
Innovative Concepts For Wireline Continuous Coring Systems: SPE-180017-MS
Ashena, R., Thonhauser, G., Vortisch, W., Prohaska-Marchried, M. & Koller, C., Apr 2016, (Accepted/In press).Research output: Contribution to conference › Paper