Chair of Drilling and Completion Engineering (590)
Organisational unit: Chair
Research output
- 2025
- Published
Detecting downhole drilling events EP 4 189 206 B1
Elmgerbi, A. (Inventor) & Thonhauser, G. (Inventor), 2025, Patent No. EP 4 189 206 B1Research output: Patent
- 2024
- Published
Hydrogen induced changes in the phase composition and micro-structure of downhole cements: Fundamental research within the context of underground hydrogen storage
Sammer, T., Kostoglou, N., Ravi, K. & Raith, J. G., 3 Oct 2024, In: International Journal of Hydrogen Energy. 89.2024, 4, p. 1166–1175 10 p.Research output: Contribution to journal › Article › Research › peer-review
- Published
Sand screens for controlling sand production from hydrocarbon wells: A mini-review
Kumar, S., Kumar, G., Krishna, S., Kumar, A., Gupta, T., Goel, P. N. & Kumari, S., Sept 2024, In: Geoenergy science and engineering. 240.2024, September, 19 p., 213040.Research output: Contribution to journal › Review article › peer-review
- Published
Insight into Carbon Black and Silica Fume as Cement Additives for Geoenergy Wells: Linking Mineralogy to Mechanical and Physical Properties
Sammer, T., Nasiri, A., Kostoglou, N., Ravi, K. & Raith, J., 8 Aug 2024, In: C – journal of carbon research. 10.2024, 3, 22 p., 71.Research output: Contribution to journal › Article › Research › peer-review
- Published
Smart predictions of petrophysical formation pore pressure via robust data-driven intelligent models
Krishna, S., Irfan, S. A., Keshavarz, S., Thonhauser, G. & Umer Ilyas, S., 24 Jul 2024, In: Multiscale and multidisciplinary modeling, experiments and design. 7.2024, 6, p. 5611-5630 20 p.Research output: Contribution to journal › Article › Research › peer-review
- E-pub ahead of print
Evaluating Multi-target Regression Framework for Dynamic Condition Prediction in Wellbore
Keshavarz, S., Elmgerbi, A., Vita, P. & Thonhauser, G., 23 Apr 2024, (E-pub ahead of print) In: The Arabian journal for science and engineering. 49.2024, June, p. 8953-8982 30 p.Research output: Contribution to journal › Article › Research › peer-review
- Published
Deep reinforcement learning algorithm for wellbore cleaning across drilling operation
Keshavarz, S., Elmgerbi, A. & Thonhauser, G., 25 Mar 2024, Fourth EAGE Digitalization Conference & Exhibition, Mar 2024, Volume 2024, p.1 - 5. Vol. 2024.Research output: Chapter in Book/Report/Conference proceeding › Conference contribution
- Published
Application of Printable Electronics to Improve Tubular Integrity Monitoring
Gorshenin, A., 2024Research output: Thesis › Master's Thesis
- Published
A Study of a concept geothermal ERD well for the South German Molasse Basin
Minihold, M., 2024Research output: Thesis › Master's Thesis
- Published
Digitalization of Displacement of non-Newtonian and Newtonian Fluids in Horizontal Annuli
Shams Eshaghi, S., 2024Research output: Thesis › Master's Thesis
- Published
Improved Research Technique on the Influence of CO2 on Wellbore Cement under Downhole Conditions
Plessing, E., 2024Research output: Thesis › Master's Thesis
- Published
Prediction of Rheological and Filtration Loss Properties of Nano-Zirconium-Dioxide Drilling Fluids via Machine Learning Techniques for Energy Exploration
Jason, C., Umer Ilyas, S., Ridha, S., Sehar, U., Alsaady, M. & Krishna, S., 2024, Prediction of Rheological and Filtration Loss Properties of Nano-Zirconium-Dioxide Drilling Fluids via Machine Learning Techniques for Energy Exploration. p. 469-477 8 p.Research output: Chapter in Book/Report/Conference proceeding › Conference contribution
- Published
Probabilistic-Based Algorithm for Detecting Downhole Drilling Abnormalities
Grasser, P., 2024Research output: Thesis › Master's Thesis
- Published
Wellbore Health Characterization for Drilling Optimization
Les, B., 2024Research output: Thesis › Master's Thesis
- 2023
- Published
A fundamentals mineralogical investigation of downhole cements within the context of Underground Hydrogen Storage
Sammer, T., Ravi, K. & Raith, J., 11 Jul 2023.Research output: Contribution to conference › Poster › Research
- Published
An Interdisciplinary Approach to Investigate the Cement Integrity for Underground Hydrogen Storage Wells
Nasiri, A., Ravi, K., Prohaska-Marchried, M., Feichter, M., Raith, J. & Pruno, S., 5 Jun 2023, SPE EuropEC - Europe Energy Conference featured at the 84th EAGE Annual Conference & Exhibition. 29 p. SPE-214423-MSResearch output: Chapter in Book/Report/Conference proceeding › Conference contribution
- Published
Cellulose nanocrystals (CNCs) as a potential additive for improving API class G cement performance: An experimental study
Elmgerbi, A., Abou Askar, I., Fine, A., Thonhauser, G. & Ashena, R., Jun 2023, In: Natural Gas Industry. B. 10.2023, 3, p. 233-244 12 p.Research output: Contribution to journal › Article › Research › peer-review
- Published
Single energy Micro-computed tomography(µCT): A reliable potential alternative to mineral Investigation of formation rock
Nasiri, A., 26 May 2023.Research output: Contribution to conference › Poster › Research › peer-review
- Published
Application of machine learning to determine the shear stress and filtration loss properties of nano-based drilling fluid
Cai Ning, Y., Ridha, S., Umer Ilyas, S., Krishna, S., Dzulkarnain, I. & Abdurraham, M., Apr 2023, In: Journal of Petroleum Exploration and Production Technology. 13.2023, April, p. 1031-1052 22 p.Research output: Contribution to journal › Article › Research › peer-review
- Published
A Reinforcement Learning Approach for Real-Time Autonomous Decision-Making in Well Construction
Keshavarz, S., Vita, P., Rückert, E., Ortner, R. & Thonhauser, G., 19 Jan 2023, SPE AI Symposium 2023: Leveraging Artificial Intelligence to Shape the Future of the Energy Industry. (Society of Petroleum Engineers - SPE Symposium: Leveraging Artificial Intelligence to Shape the Future of the Energy Industry, AIS 2023).Research output: Chapter in Book/Report/Conference proceeding › Conference contribution
- Published
Artificial Intelligence-based Approach for Predicting Mud Pump Failures
Feizi, F., 2023Research output: Thesis › Master's Thesis
- Published
Assessing the Feasibility and Effectiveness of Reverse Circulation in Drilling Operation
Stanic, T., 2023Research output: Thesis › Master's Thesis
- Published
A Study of Ultrasonic Measurement Technique to Discriminate Fluids
Lutz, P., 2023Research output: Thesis › Master's Thesis
- Published
Computed tomography-image analysis as a method to determine the propagation rate of the carbonation front
Hahn, F., 2023Research output: Thesis › Master's Thesis
- Published
Continuous Drill String for Laboratory-Scale Drilling Rig
Bazoev, A., 2023Research output: Thesis › Master's Thesis
- Published
Determination of Cement and Resin Parameters to Repair Casing Leak: An Experimental Investigation
Erakovic, S., 2023Research output: Thesis › Master's Thesis
- Published
Enhanced Research on the Carbonation Resistance of Wellbore Cement under In-situ Downhole Conditions
Lebwohl, S., 2023Research output: Thesis › Master's Thesis
- Published
Fluid Displacement Study of Various Non_Newtonian Fluids in a Digitalized Flow Setup
Masching, N., 2023Research output: Thesis › Master's Thesis
- Published
Hyperbaric Welding and Wire Arc Additive Manufacturing for Downhole Applications in the Oil and Gas Industry
Escobar, S. M. L., Walzl, A., Ravi, K., Prohaska, M., Stockinger, M., Richardson, I. M., Fateh, N. & Hönig, S., 2023, Society of Petroleum Engineers - SPE/IATMI Asia Pacific Oil and Gas Conference and Exhibition, APOG 2023. Society of Petroleum Engineers , (Society of Petroleum Engineers - SPE/IATMI Asia Pacific Oil and Gas Conference and Exhibition, APOG 2023).Research output: Chapter in Book/Report/Conference proceeding › Conference contribution
- Published
Identification And Characterization of Formations based on Offset Drilling Data using Machine Learning
Angyal, D., 2023Research output: Thesis › Master's Thesis
- Published
Improved Predictive Model for Surge/Swab Pressure Estimation using a New Simplified (NS) Model
Ridha, S., Khanbesh, S., Arain, A. H., Yusuf, M. & Krishna, S., 2023, 2023 International Conference on Digital Business and Technology Management, ICONDBTM 2023. Institute of Electrical and Electronics Engineers, (2023 International Conference on Digital Business and Technology Management, ICONDBTM 2023).Research output: Chapter in Book/Report/Conference proceeding › Conference contribution
- Published
- Published
Mitigation of Non-productive Time Events by Continuously Monitoring the Drilling Parameters
Elmgerbi, A., 2023Research output: Thesis › Doctoral Thesis
- Published
Monitoring of Greenhouse Gas Emissions in Well Services Operations
Gazal, R., 2023Research output: Thesis › Master's Thesis
- Published
Risk assessment of drilling process with Managed Pressure Drilling and Wired Drill Pipe technologies application
Samokhvalov, D., 2023Research output: Thesis › Master's Thesis
- 2022
- Published
Performance investigation of a drag-based hydrokinetic turbine considering the effect of deflector, flow velocity, and blade shape
Maldar, N. R., Yee, N. C., Oguz, E. & Krishna, S., 15 Dec 2022, In: Ocean Engineering. 2022, Vol.266, Part2 15 December, 22 p., 112765.Research output: Contribution to journal › Article › Research › peer-review
- E-pub ahead of print
Ultrasound velocity profiling technique for in-line rheological measurements: A prospective review
Krishna, S., Thonhauser, G., Kumar, S., Elmgerbi, A. & Ravi, K., 2 Nov 2022, (E-pub ahead of print) In: Measurement. 205.2022, December, 19 p., 112152.Research output: Contribution to journal › Article › Research › peer-review
- Published
Synthesis and application of cellulose acetate-acrylic acid-acrylamide composite for removal of toxic methylene blue dye from aqueous solution
Rana, J., Goindi, G., Kaur, N., Krishna, S. & Kakati, A., 15 Sept 2022, In: Journal of Water Process Engineering. 49.2022, October, 14 p., 103102.Research output: Contribution to journal › Article › Research › peer-review
- Published
A fundamentals mineralogical investigation of downhole cements within the context of underground hydrogen storage
Sammer, T., Ravi, K. & Raith, J., 12 Sept 2022, Pangeo Austria 2022 Abstracts and Field guides . p. 149 (Berichte der Geologischen Bundesanstlat (Berichte der GBA)).Research output: Chapter in Book/Report/Conference proceeding › Conference contribution
- Published
Tackling challenges concerning the integrity of downhole cement/rock during underground gas storage: an interdisciplinary approach
Sammer, T., Nasiri, A., Feichter, M. & Ravi, K., 12 Sept 2022, Pangeo Austria 2022 Abstracts and Field guides. p. 143 (Berichte der Geologischen Bundesanstalt (Berichte der GBA)).Research output: Chapter in Book/Report/Conference proceeding › Conference contribution
- Published
Tackling challenges concerning the integrity of downhole cement/rock during underground gas storage: an interdisciplinary approach
Sammer, T., Nasiri, A., Feichter, M. & Ravi, K., 10 Sept 2022.Research output: Contribution to conference › Poster › Research
- Published
A comprehensive review of nanoparticles: Effect on water-based drilling fluids and wellbore stability
Abdullah, A. H., Ridha, S., Mohshim, D. F., Yusuf, M., Kamyab, H., Krishna, S. & Maoinser, M. A., 1 Sept 2022, In: Chemosphere. 308.2022, December, Part 1, 17 p., 136274.Research output: Contribution to journal › Article › Research › peer-review
- Published
Stepwise mathematical derivation of the Herschel–Bulkley laminar fluid flow equations—in pipes
Ashena, R., Elmgerbi, A., Badrouchi, F., Mishani, S., Sotoudeh, F. & Nekoeian, S., 26 Aug 2022.Research output: Contribution to conference › Paper › peer-review
- E-pub ahead of print
Holistic autonomous model for early detection of downhole drilling problems in real-time
Elmgerbi, A. & Thonhauser, G., 20 Jun 2022, (E-pub ahead of print) In: Process safety and environmental protection. 164.2022, August, p. 418-434 17 p.Research output: Contribution to journal › Article › Research › peer-review
- Published
Machine Learning Techniques Application for Real-Time Drilling Hydraulic Optimization
Elmgerbi, A., Thonhauser, G., Nascimento, A. & Chuykov, E., 21 Feb 2022.Research output: Contribution to conference › Paper
- Published
DETECTING DOWNHOLE DRILLING EVENTS
Elmgerbi, A. (Inventor) & Thonhauser, G. (Inventor), 3 Feb 2022, IPC No. E21B 47/ 06 A I, Patent No. WO2022022812, Priority date 28 Jul 2020, Priority No. WO2020EP71284Research output: Patent
- Published
A Practical Decision Tool to Evaluate and Rank Potential Solutions for Expected Downhole Drilling Problems During the Well-planning Phase
Elmgerbi, A., Rahman Ashena , Timothy Atkin & Borna Les, Feb 2022.Research output: Contribution to conference › Paper › peer-review
- Published
Aluminium Alloy Drill Pipes Enhanced through Wired Drill Pipe Technology for Extended Reach Drilling Applications
Graf, M. K. W., 2022Research output: Thesis › Master's Thesis
- Published
Design Features of Drill Strings with the Power Conductor Lines for Electrodrilling
Shcherbakov, A., 2022Research output: Thesis › Master's Thesis
- Published
Experimental Study and Evaluation of Casing Leak Remediation by using different Settable Fluids
Gurtner, K., 2022Research output: Thesis › Master's Thesis
- Published
Monitoring of Greenhouse Gas Emissions in Well Service Operations
Ettinger, C. P., 2022Research output: Thesis › Master's Thesis
- Published
New Testing Methodology to Investigate the Quality of Carbon Dioxide Resistant Cement Types
Fasching, F., 2022Research output: Thesis › Master's Thesis
- Published
Numerical Modelling of Fluid Displacement in Eccentric Annuli for Cementing Operations
Al Didi, A., 2022Research output: Thesis › Master's Thesis
- 2021
- Published
Implementing the autonomous adaptive algorithm to manage ESP operation in harsh reservoir conditions
Antonic, M., Solesa, M., Thonhauser, G., Aleksic, M. & Zolotukhin, A., 25 Nov 2021.Research output: Contribution to conference › Paper › peer-review
- Published
Experimental approach for assessing filter-cake removability derived from reservoir drill-in fluids
Elmgerbi, A., Thonhauser, G., Fine, A., Borovina, A. & Hincapie , R., 8 Sept 2021.Research output: Contribution to conference › Paper › peer-review
- Published
Evaluation of Cement-Casing & Cement-Rock Bond Integrity during Well Operations.
Lamik, A., Thonhauser, G., Ravi, K., Prohaska-Marchried, M., Pittino, G. & Antretter, T., 27 May 2021, p. 1-13. 13 p.Research output: Contribution to conference › Paper › peer-review
- Published
Application of Machine Learning Techniques for Real-Time Rate of Penetration Optimization
Elmgerbi, A., Thonhauser, G. (Co-editor), Ettinger, C. (Co-editor), Tekum, P. (Co-editor) & Nascimento, A., 26 May 2021.Research output: Contribution to conference › Paper › peer-review
- Published
‘Level‑off’ cement plugging method to cure lost circulation verified with case studies
Elmgerbi, A., Ashena, R., Ghalambor, A., Hekmatinia, A. & Mubashir, M., 29 Apr 2021.Research output: Contribution to conference › Paper › peer-review
- Published
Hydraulic Concentric Tubular Pumping System Simulation and Testing
Langbauer, C., Vita, P., Jax, G. & Judmaier, D., 8 Feb 2021, In: Journal of petroleum & environmental biotechnology . 11.2021, 5, 15 p.Research output: Contribution to journal › Article › Research › peer-review
- Published
Challenges in the conversion of existing oil/gas producer wells to injector/monitoring wells in Carbon Capture and Storage (CCS) projects: a practical application
Filippov, I., 2021Research output: Thesis › Master's Thesis
- Published
Data-Driven Model for Measuring Hydraulic Fracturing Efficiency by Utilizing the Real-time Treatment Data
Zhukova, K., 2021Research output: Thesis › Master's Thesis
- Published
Evaluating Uniaxial Compressive Strength of Cement by Applying Ultrasonic Measurement Technique
Roknian, P., 2021Research output: Thesis › Master's Thesis
- Published
Frac Pack Design Approach Based on Practical Experience Gained Through Completions on Astokh Field
Zenkov, D., 2021Research output: Thesis › Master's Thesis
- Published
Hybrid Model for Detecting Abnormal Drilling Behaviors
Lindner, A., 2021Research output: Thesis › Master's Thesis
- Published
Investigating Possibilities to Automatically Capture Drilling Lessons Learnt
Latysheva, A., 2021Research output: Thesis › Master's Thesis
- Published
- Published
Machine Learning Application in Early Stuck Pipe Sign Detection by Real-time Monitoring Surface Drilling Parameters
Kobets, V., 2021Research output: Thesis › Master's Thesis
- Published
Machine Learning Techniques Application for Real-Time Drilling Hydraulic Optimization
Chuykov, E., 2021Research output: Thesis › Master's Thesis
- Published
Managed pressure casing drilling analysis for an appraisal well in Jordan
Al Hmoud, A., 2021Research output: Thesis › Master's Thesis
- Published
Prediction of Complications and Accidents during Drilling with Application of Machine Learning Model
Seynaroev, M., 2021Research output: Thesis › Master's Thesis
- Published
Real Time In-Situ Monitoring of Cement Carbonation with Acoustic System
Curis, S., 2021Research output: Thesis › Master's Thesis
- Published
- Published
Studying the Effect of Cellulose Nanocrystals on Oil Well Cement Properties
Abou Askar, I., 2021Research output: Thesis › Master's Thesis
- Published
Test Protocol for the Assessment of Shale as a Barrier in the Decommissioning of Wells
Fedorova, A., 2021Research output: Thesis › Master's Thesis
- 2020
- Published
Severe wellbore instability in a complex lithology formation necessitating casing while drilling and continuous circulation system
Ashena, R., Elmgerbi, A., Rasouli, V., Ghalambor, A. & Bahrami, A., 16 Jan 2020, In: Journal of Petroleum Exploration and Production Technology. 2022, 10, p. 1511-1532 22 p.Research output: Contribution to journal › Article › Research › peer-review
- Published
Application of Best Practices for Well Construction Using State of the Art Drilling Software
Berdiev, T., 2020Research output: Thesis › Master's Thesis
- Published
Application of Casing Drilling Technology in the Project N on the North Sea Shelf
Gamayunova, P., 2020Research output: Thesis › Master's Thesis
- Published
Application of Machine Learning Techniques for Rate of Penetration Optimization Analysis
Tekum, P. M., 2020Research output: Thesis › Master's Thesis
- Published
Application of Managed Pressure Drilling (MPD) in the Project N on the North Sea Shelf
Gupalov, R., 2020Research output: Thesis › Master's Thesis
- Published
Conceptual Design of Drilling Cuttings Analysis System Based on Machine Learning Techniques
Iastrebov, P., 2020Research output: Thesis › Master's Thesis
- Published
Developing Wellbore Construction Planning for an Exploratory Well in Vitiacua Block
Geraskin, A., 2020Research output: Thesis › Master's Thesis
- Published
Differential Stuck Pipe Events – Development of Digital Best Practices for NPT Prevention
Ortner, A., 2020Research output: Thesis › Master's Thesis
- Published
Experimental Approach to Evaluate Non-Damaging Drill-in Fluid
Halilovic, M., 2020Research output: Thesis › Master's Thesis
- Published
Identification and Analysis of Potential Retarders for Geopolymers Designed for Well Cementing
Eid, E. A. A. I., 2020Research output: Thesis › Master's Thesis
- Published
Integrated Approach to Evaluate the Drilling Solutions for Downhole Drilling Problems
Stulec, M., 2020Research output: Thesis › Master's Thesis
- Published
Investigation of Additive Manufacturing of Components for the Oil & Gas Industry
Hiebler, F., 2020Research output: Thesis › Master's Thesis
- Published
Optimizing Well Integrity Management based on Field Data and International Standards
Benedikt, E. J., 2020Research output: Thesis › Master's Thesis
- Published
Project for Construction of a Directional Well for the Development of the RSH/RSHN Field in Algeria
Frolova, K., 2020Research output: Thesis › Master's Thesis
- Published
Real-Time Monitoring of the Effect of Carbon Dioxide on the Cement Sheath
Wagner, P., 2020Research output: Thesis › Master's Thesis
- Published
RHEOBOT – The Conceptual Design of an Autonomous Mud Testing Robot
Koch, R., 2020Research output: Thesis › Master's Thesis
- Published
Selection of Technologies for Multilateral Wells' Completion in the Achimov Formations of Yamburg Field
Mammadov, S., 2020Research output: Thesis › Master's Thesis
- Published
- Published
Stuck Casing and Liner Mitigation - Raising Situation Awareness based on Real Time Hook Load and Friction Coefficient Analysis
Fasching, M., 2020Research output: Thesis › Master's Thesis
- 2019
- Published
Integration of expert and data-driven workflows to manage reservoir and well life cycle in Arctic conditions using innovative SICLO methodology
Antonic, M., Solesa, M., Zolotukhin, A., Rakic, D. & Aleksic, M., 26 Nov 2019. 13 p.Research output: Contribution to conference › Paper › peer-review
- Published
Conception of a Web Operation System for Processing Petroleum Related Drilling Data: A Focus on Pre-Salt Real-Time Automation and Optimization
Elmgerbi, A., Thonhauser, G., Nascimento, A., Pinheiro, Y. S., Vieira, L. C., Souza dos Santos, F. D. A., Mathias, M. H. & Hunt, J., 10 Apr 2019.Research output: Contribution to conference › Paper › peer-review
- Published
The complexity of drilling digitalization, a display of potential pitfalls during implementation
Lettner, A. & Thonhauser, G., Apr 2019.Research output: Contribution to conference › Paper
- Published
Innovatives Trainingskonzept mittels Echtzeit-simulation des Bohrprozesses
Lettner, A., Thonhauser, G. & Kucs, R., Feb 2019, In: Erdöl, Erdgas, Kohle. 135.2019, 2, p. 76-81 6 p.Research output: Contribution to journal › Conference article
- Published
Advanced Workflow to Evaluate and Compare the Performance of Directional Drilling Control Tools
Maleki Moghaddam, A., 2019Research output: Thesis › Master's Thesis
- Published
Application of Big Data analysis systems for drilling operations optimization
Dzhafarov, R., 2019Research output: Thesis › Master's Thesis
- Published
Application of Data Mining to Predict and Assess the ROP Response
Mejia Orellana, M. R., 2019Research output: Thesis › Master's Thesis
