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Gerhard Thonhauser
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Proceedings Papers

A Reinforcement Learning Approach for Real-Time Autonomous Decision-Making in Well Construction

Sahar Keshavarz, Petr Vita, Elmar Rueckert, Ronald Ortner, Gerhard Thonhauser
Paper presented at the SPE Symposium Leveraging Artificial Intelligence to Shape the Future of the Energy Industry, January 17–18, 2023
Paper Number: SPE-214465-MS
https://doi.org/10.2118/214465-MS
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Proceedings Papers

Machine Learning Techniques Application for Real-Time Drilling Hydraulic Optimization

Asad Elmgerbi, Egor Chuykov, Gerhard Thonhauser, Andreas Nascimento
Paper presented at the International Petroleum Technology Conference, February 21–23, 2022
Paper Number: IPTC-22662-MS
https://doi.org/10.2523/IPTC-22662-MS
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View Paper titled, Machine Learning Techniques Application for Real-Time Drilling Hydraulic Optimization
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Proceedings Papers

Application of Machine Learning Techniques for Real Time Rate of Penetration Optimization

Asad Mustafa Elmgerbi, Clemens Peter Ettinger, Peter Mbah Tekum, Gerhard Thonhauser, Andreas Nascimento
Paper presented at the SPE/IADC Middle East Drilling Technology Conference and Exhibition, May 25–27, 2021
Paper Number: SPE-202184-MS
https://doi.org/10.2118/202184-MS
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Proceedings Papers

Evaluation of Cement-Casing & Cement-Rock Bond Integrity During Well Operations

Abdelfattah Lamik, Gerhard Pittino, Michael Prohaska-Marchried, Ravi Krishna, Gerhard Thonhauser, Thomas Antretter
Paper presented at the SPE/IADC Middle East Drilling Technology Conference and Exhibition, May 25–27, 2021
Paper Number: SPE-202186-MS
https://doi.org/10.2118/202186-MS
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View Paper titled, Evaluation of Cement-Casing & Cement-Rock Bond Integrity During Well Operations
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Proceedings Papers

Drilling Process Digitalization Using Advanced Machine Learning Techniques – Case Study

Adel Al Shayaa, Khaled Al Tamimi, Sara Bakhti, Arghad Arnaout, Gerhard Thonhauser
Paper presented at the SPE Middle East Oil and Gas Show and Conference, March 18–21, 2019
Paper Number: SPE-194962-MS
https://doi.org/10.2118/194962-MS
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View Paper titled, Drilling Process Digitalization Using Advanced Machine Learning Techniques – Case Study
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Proceedings Papers

Managing Challenges for Digital Transformation Initiative in a National Drilling Contractor - A Case Study from Algeria

Arghad Arnaout, Sarah Bakhti, Gerhard Thonhauser
Paper presented at the SPE Middle East Oil and Gas Show and Conference, March 18–21, 2019
Paper Number: SPE-195060-MS
https://doi.org/10.2118/195060-MS
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View Paper titled, Managing Challenges for Digital Transformation Initiative in a National Drilling Contractor - A Case Study from Algeria
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Journal Articles

Determination of Maximum Allowable Safe-Core-Retrieval Rates

Rahman Ashena, Gerhard Thonhauser, Ali Ghalambor, Vamegh Rasouli, Roman Manasipov
Journal: SPE Reservoir Evaluation & Engineering
Publisher: Society of Petroleum Engineers (SPE)
SPE Res Eval & Eng 22 (02): 548–564.
Paper Number: SPE-189480-PA
https://doi.org/10.2118/189480-PA
Published: 09 January 2019
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Proceedings Papers

The Impact of Digital Transformation on Cutting Drilling Costs - A Case Study from Oman

Yousuf Al-Aufi, Al Salt Malik Al Sulti, Arghad Arnaout, Sara Bakhti, Gerhard Thonhauser
Paper presented at the Abu Dhabi International Petroleum Exhibition & Conference, November 12–15, 2018
Paper Number: SPE-193198-MS
https://doi.org/10.2118/193198-MS
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Journal Articles

Guest Editorial: Digital Drilling Disruption - Understand Downhole, Gain Control

Gerhard Thonhauser
Journal: Journal of Petroleum Technology
Publisher: Society of Petroleum Engineers (SPE)
J Pet Technol 70 (11): 14–15.
Paper Number: SPE-1118-0014-JPT
https://doi.org/10.2118/1118-0014-JPT
Published: 01 November 2018
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Proceedings Papers

Mathematical Approach of MSE in Thermo-Poro-Elastic Conditions Improves Decision Making to Use RWD

Abbas Roohi, Asad Elmgerbi, Andreas Nascimento, Michael Prohaska, Gerhard Thonhauser
Paper presented at the SPE Bergen One Day Seminar, April 20, 2016
Paper Number: SPE-180045-MS
https://doi.org/10.2118/180045-MS
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View Paper titled, Mathematical Approach of MSE in Thermo-Poro-Elastic Conditions Improves Decision Making to Use RWD
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Proceedings Papers

Innovative Concepts in Wireline Continuous Coring

Rahman Ashena, Walter Vortisch, Michael Prohaska, Gerhard Thonhauser
Paper presented at the SPE Bergen One Day Seminar, April 20, 2016
Paper Number: SPE-180017-MS
https://doi.org/10.2118/180017-MS
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Proceedings Papers

An Holistic Approach to Improving Drilling Performance in Realtime: Integrating Measured, Analysed, Modelled and Reported Drilling Data

Richard Kucs, Gerhard Thonhauser, Matt Regan, John Hanson, Jonny Haugen, Odd Erik Gundersen
Paper presented at the SPE/IADC Drilling Conference and Exhibition, March 17–19, 2015
Paper Number: SPE-173115-MS
https://doi.org/10.2118/173115-MS
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View Paper titled, An Holistic Approach to Improving Drilling Performance in Realtime: Integrating Measured, Analysed, Modelled and Reported Drilling Data
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Proceedings Papers

Real Time Kick Detection and Also Increasing Ultrasonic Caliper Accuracy by Measuring Speed of Sound within Drilling Fluid in the Downhole Condition

Behzad Elahifar, Franz Fasch, Gerhard Thonhauser
Paper presented at the SPE Annual Technical Conference and Exhibition, October 27–29, 2014
Paper Number: SPE-170581-MS
https://doi.org/10.2118/170581-MS
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View Paper titled, Real Time Kick Detection and Also Increasing Ultrasonic Caliper Accuracy by Measuring Speed of Sound within Drilling Fluid in the Downhole Condition
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Proceedings Papers

Real Time Kick Detection Applying an Ultrasonic Caliper Featuring a Downhole Sonic Speed Measurement for Calibration Purposes

Behzad Elahifar, Franz Fasch, Gerhard Thonhauser, Christian Tollschein
Paper presented at the SPE Saudi Arabia Section Technical Symposium and Exhibition, April 21–24, 2014
Paper Number: SPE-172170-MS
https://doi.org/10.2118/172170-MS
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View Paper titled, Real Time Kick Detection Applying an Ultrasonic Caliper Featuring a Downhole Sonic Speed Measurement for Calibration Purposes
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Proceedings Papers

Modeling Transportation Logistics, Water Use, and Surface Footprint for Shale Gas Field Developments

Mathias Mitschanek, Gerhard Thonhauser, Michael Prohaska
Paper presented at the SPE/EAGE European Unconventional Resources Conference and Exhibition, February 25–27, 2014
Paper Number: SPE-167697-MS
https://doi.org/10.2118/167697-MS
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View Paper titled, Modeling Transportation Logistics, Water Use, and Surface Footprint for Shale Gas Field Developments
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Proceedings Papers

Real Time Data Transmission Method for Creating 4D Wellbore Images to Detect Instabilities with High Accuracy Ultrasonic Caliper

Behzad Elahifar, Abdolali Esmaeili, Gerhard Thonhauser
Paper presented at the SPE Kuwait Oil and Gas Show and Conference, October 8–10, 2013
Paper Number: SPE-167317-MS
https://doi.org/10.2118/167317-MS
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View Paper titled, Real Time Data Transmission Method for Creating 4D Wellbore Images to Detect Instabilities with High Accuracy Ultrasonic Caliper
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Proceedings Papers

Formation Prediction Model based on Drill String Vibration Measurements Using Laboratory Scale Rig

Abdolali Esmaeili, Behzad Elahifar, Rudolf K. Fruhwirth, Gerhard Thonhauser
Paper presented at the SPE/IADC Middle East Drilling Technology Conference & Exhibition, October 7–9, 2013
Paper Number: SPE-166793-MS
https://doi.org/10.2118/166793-MS
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View Paper titled, Formation Prediction Model based on Drill String Vibration Measurements Using Laboratory Scale Rig
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Proceedings Papers

Real Time Determination of the Instability in the Borehole by Using 4D Images of the Wellbore with High Accuracy Ultrasonic Caliper

Behzad Elahifar, Abdolali Esmaeili, Gerhard Thonhauser
Paper presented at the SPE/IADC Middle East Drilling Technology Conference & Exhibition, October 7–9, 2013
Paper Number: SPE-166770-MS
https://doi.org/10.2118/166770-MS
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View Paper titled, Real Time Determination of the Instability in the Borehole by Using 4D Images of the Wellbore with High Accuracy Ultrasonic Caliper
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Proceedings Papers

Wellbore Instability Monitoring by Using 4D Imaging of Ultrasonic Caliper Logs in Real Time Drilling

Behzad Elahifar, Abdolali Esmaeili, Rudolf K. Fruhwirth, Gerhard Thonhauser
Paper presented at the International Petroleum Technology Conference, March 26–28, 2013
Paper Number: IPTC-17002-MS
https://doi.org/10.2523/IPTC-17002-MS
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View Paper titled, Wellbore Instability Monitoring by Using 4D Imaging of Ultrasonic Caliper Logs in Real Time Drilling
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Proceedings Papers

Effect of Formations Compressive Strength on Drill String Vibrations

Abdolali Esmaeili, Behzad Elahifar, Rudolf K. Fruhwirth, Gerhard Thonhauser
Paper presented at the International Petroleum Technology Conference, March 26–28, 2013
Paper Number: IPTC-16985-Abstract
https://doi.org/10.2523/IPTC-16985-Abstract
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View Paper titled, Effect of Formations Compressive Strength on Drill String Vibrations
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