| Numerical Study on Downhole Cooling by Mud Circulation in Supercritical Geothermal Drilling |
Akira HOSHINO, Ryo ANDO, Shigemi NAGANAWA |
Drilling and Completion Technology |
supercritical geothermal drilling, downhole cooling, mud circulation, numerical simulation |
World Geothermal Congress |
2020 |
English |
| A Thermal Casing Connection Test to Avoid Casing Failure in Geothermal Wells |
Boga ISA, Fahmi SUNGKAR, Hendra SIMANJUNTAK |
Drilling and Completion Technology |
Drilling, casing connection test, thermal cycle, production casing, geothermal well, TWCCEP, casing design, casing failure, thermal casing failure |
World Geothermal Congress |
2020 |
English |
| Study on Applicability of a Newly-Developed Biodegradable Polymer to Fiber Mud in Geothermal Drilling |
Eiji ISHIOKA, Tatsuyoshi AOKI, Shigemi NAGANAWA, Ryutaro MUKAI |
Drilling and Completion Technology |
geothermal drilling, fiber sweep mud, hole cleaning, biodegradable polymer |
World Geothermal Congress |
2020 |
English |
| Laser Supported, Thermal Rock Weakening and Drilling for Hard Rock and Geothermal Applications |
Shahin JAMALI, Volker WITTIG, Rolf BRACKE |
Drilling and Completion Technology |
thermal drilling, Laser drilling, thermal rock weakening, Hard rock drilling |
World Geothermal Congress |
2020 |
English |
| HSE Management in Geothermal Drilling Operations - Elementary Steps for Positive Progress in an International Environment |
Erlingur. E. JÓNASSON |
Drilling and Completion Technology |
healt, safety, environment, management, drilling |
World Geothermal Congress |
2020 |
English |
| Research on Key Technologies of Abrasive Jet Micro-hole Sidetracking Used in Geothermal Drilling |
Tianwen JIANG, Zhongwen HUANG, Jingbin LI |
Drilling and Completion Technology |
Key words: micro-hole drilling; diverter; feeding pipe; abrasive nozzle |
World Geothermal Congress |
2020 |
English |
| Radial Jet Drilling Stimulation in a Low-temperature Geothermal Well in Iceland |
Gunnar Skúlason KALDAL, Ingólfur THORBJORNSSON, Bjarni GAUTASON, Thomas REINSCH |
Drilling and Completion Technology |
radial jet drilling, laterals, field test, well stimulation |
World Geothermal Congress |
2020 |
English |
| Thermal Stress Mitigation Testing of Externally Cemented Flexible Coupling in Geothermal Steam |
Gunnar Skúlason KALDAL, Ingólfur THORBJORNSSON, Lárus GUÃMUNDSSON, Thomas REINSCH, Martin LIPUS, Jens WOLLENWEBER, Bogdan ORLIC, Thor GÃSLASON, Ari STEFÃNSSON, Bjarni PÃLSSON, Ólafur SVERRISSON |
Drilling and Completion Technology |
casing, failure mitigation, cement integrity, modeling, flexible couplings, in-situ testing |
World Geothermal Congress |
2020 |
English |
| Advanced Self-Healing Polymer-Cement Composites for Geothermal Wellbore Applications Up to 300 °C |
Phillip K. KOECH, Carlos A. FERNANDEZ, Kenton ROD, Gao DAI, Nicolas HUERTA, Sarah BURTON, Quin R. S. MILLER, Charles T. RESCH |
Drilling and Completion Technology |
Wellbore, cement, self-healing, geothermal, EGS, mechanical properties |
World Geothermal Congress |
2020 |
English |
| Stress Field Evaluation with Application to Geomechanical Modeling of the Cement Sheath Integrity: A Case Study of the Los Humeros Geothermal Field, Mexico |
Michal KRUSZEWSKI, Giordano MONTEGROSSI, Miguel RAMIREZ, Volker WITTIG, Adrian Gómez GARCIA, Marcela SANCHEZ, Rolf BRACKE |
Drilling and Completion Technology |
in-situ stresses, cementing operations, wellbore integrity, high-temperature wells |
World Geothermal Congress |
2020 |
English |
| System for Drilling Deeper and Wider Wellbores |
Nikola LAKIC |
Drilling and Completion Technology |
drilling wellbores, geothermal, energy, closed-loop system, heat exchange, electricity, clean environment |
World Geothermal Congress |
2020 |
English |
| Establishing a Baseline for Global Geothermal Drilling Rates |
Clara LARSON, Jody ROBINS, Katherine R YOUNG, Alfred EUSTES |
Drilling and Completion Technology |
drilling rates, global, lean drilling, manufacturing, |
World Geothermal Congress |
2020 |
English |
| Optimal Well Design for Stimulation of Geothermal Wells with Radial Jet Drilling |
Olwijn LEEUWENBURGH, Elisabeth PETERS, Diederik TROOST, Holger CREMER |
Drilling and Completion Technology |
optimization, radial jet drilling, geothermal energy, uncertainty quantification, well design |
World Geothermal Congress |
2020 |
English |
| Potential of Multilateral Wells for Geothermal Projects in the Southern German Molasse Basin |
David LENTSCH, Alexandros SAVVATIS, Herbert HOFSTAETTER, Leonhard GANZER |
Drilling and Completion Technology |
multilateral wells, mulitlateral completions, multilateral technologies, geothermal well design |
World Geothermal Congress |
2020 |
English |
| Applications of Distributed Fiber Optic Strain Sensing for Real-Time Wellbore Integrity Monitoring |
Martin LIPUS, Tobias RAAB, Thomas REINSCH, Jan HENNINGES, Cornelia SCHMIDT-HATTENBERGER, Santiago Ruben ALDAZ CIFUENTES |
Drilling and Completion Technology |
distributed temperature sensing, distributed strain sensing, distributed acoustic sensing, wellbore integrity |
World Geothermal Congress |
2020 |
English |
| Flow Field Characteristics of Swirling Abrasive Jet Nozzle for Geothermal Radial Jet Drilling |
Xin LIU, Zhongwei HUANG, Jingbin LI, Xiao HU |
Drilling and Completion Technology |
radial jet drilling, swirling jet, abrasive waterjet, twisted tape, geothermal reservoir |
World Geothermal Congress |
2020 |
English |
| Cementing Using Nano Silica for High Temperature and High Pressure Geothermal Wells |
Dhruv MAKWANA, Jayesh BELLANI, Harsh KUMAR VERMA |
Drilling and Completion Technology |
Geothermal Energy, Nano Silica, Rheology, HPHT Wells |
World Geothermal Congress |
2020 |
English |
| Improved Bottom Hole Assembly Design at Field Dieng, Indonesia |
Bonar Tua Halomoan MARBUN, Ruly HUSNIE, Samuel Zulkhifly SIINAGA, Batara Pande SILALAHI, Bayu Aji PURBANTANU |
Drilling and Completion Technology |
Bottom hole assembly (BHA), Dog leg severity (DLS), Geothermal well, Field Dieng |
World Geothermal Congress |
2020 |
English |
| Stuck Pipe Prediction and Avoidance: Invocation of Basic Principle of Standard Methods, Pre and Post Sticking |
Douglas MATI |
Drilling and Completion Technology |
Stuck pipe, mitigation, drill string |
World Geothermal Congress |
2020 |
English |
| Sensitivity Analysis of Geothermal Drilling Parameters-A Case Study of Well Mw-17 in Menengai Kenya |
Thomas MIYORA |
Drilling and Completion Technology |
Menengai, Modelling, Drilling parameters, sensitivity analysis, weight on bit, rotations per minute |
World Geothermal Congress |
2020 |
English |