| Drillability of Granitic Rocks After Thermal Loading |
Ruben BJØRGE, Ahmad MARDOUKHI, Mikko HOKKA, Filip DAHL, Alexandre KANE |
Drilling and Completion Technology |
drilling, granite, non-mechanical drilling |
World Geothermal Congress |
2020 |
English |
| Estimation of Downhole inclination in Directionally Drilled Geothermal Wells |
Tunc BURAK, Serhat AKIN |
Drilling and Completion Technology |
Buyuk Menderes Graben, directional drilling, inclination prediction |
World Geothermal Congress |
2020 |
English |
| Application of an Engineered Drilling Fluid System for Drilling an Ultra HT Geothermal Well in Central Italy |
Lucio BUSSAGLIA, Alessandro CASCONE, Davide PALLOTTA, Alessandro DEI |
Drilling and Completion Technology |
Italy, Geothermal, Drilling Fluid, Engineered, Newpark, High Temperature |
World Geothermal Congress |
2020 |
English |
| Case Studies of PDC Bits in Deep Geothermal Drilling |
Terence COUDERT, Adrian AMBRUS, Dapeng ZHAO, Hans LANGE, Alexandre KANE, Massimo LUCHINI, Corrie GRANT, Kjell HAUGVALDSTAD, Geoffrey MCELNAY |
Drilling and Completion Technology |
PDC drill bit, geothermal well, model-based ROP prediction, bit damage |
World Geothermal Congress |
2020 |
English |
| Economic Evaluation of the Coaxial Borehole Heat Exchanger |
Jiacheng DAI, Gensheng LI, Jingbin LI, Xianzhi SONG, Zhongwei HUANG, Chao YU |
Drilling and Completion Technology |
coaxial borehole heat exchanger, numerical simulation, economic evaluation. |
World Geothermal Congress |
2020 |
English |
| Tensile Testing of Casing Material at Elevated Temperatures Up to 550°C |
Bert DILLINGH, Gunnar Skúlason KALDAL, Ingólfur THORBJORNSSON, Jens WOLLENWEBER, Frank VERCAUTEREN |
Drilling and Completion Technology |
tensile testing, thermal stress, elevated temperature, material properties, casing |
World Geothermal Congress |
2020 |
English |
| Casing Connection Evaluation for High-temperature Geothermal Applications – A Case Study |
Mark DROESSLER, Gang TAO, Kirk HAMILTON, Barry SKELTON, Masaki YOSHIKAWA |
Drilling and Completion Technology |
casing connections, premium connections, geothermal, high temperature, strain-based design, finite element analysis, evaluation, testing, experimental validation, TWCCEP, ISO/PAS 12835 |
World Geothermal Congress |
2020 |
English |
| Overview of Drilling Fluids Systems and Drilling Fluids Design Principles of Geothermal Wells in Turkey |
Oner ERGE, Kudret SAKAOGLU, Ahmet SONMEZ, Gokhan BAGATIR, H. Ali DOGAN, Ahmet AY, I. Hakki GUCUYENER |
Drilling and Completion Technology |
Turkey, geothermal, drilling, drilling fluids, high temperature |
World Geothermal Congress |
2020 |
English |
| Drilling Performance Improvements with High Frequency Operations Data |
Alfred EUSTES, Zachary ZODY, Carlton HEALY, Kirt MCKENNA |
Drilling and Completion Technology |
High Frequency Data Acquisition, Drilling Data Analysis, Drilling Performance |
World Geothermal Congress |
2020 |
English |
| Casing Elongation Study in Geothermal Wells with Two-Stage Cementing and Tie-Back Cementing Methods |
FATHADDIN M.Taufiq, Ridwan SANGAJI, Bambang KUSTONO, Wisup BAE, A.K. PERMADI |
Drilling and Completion Technology |
Tie-back cementing, casing elongation, Kamojang, Lahendong |
World Geothermal Congress |
2020 |
English |
| Study on Improvement of Acidizing Fracturing Formula in Carbonate Reservoir |
FENG Shuyou, HUANG Xianlong, LIU Zan |
Drilling and Completion Technology |
acidizing fracturing, geothermal Wells, acidizing reagent formula, carbonate reservoir |
World Geothermal Congress |
2020 |
English |
| Recent Achievements in Development and Testing of Innovative Plasma-Based Drilling Technology |
Matus GAJDOS, Igor KOCIS, Tomas KRISTOFIC, Ivan KOCIS, Marek GEBURA, Roy BARIA |
Drilling and Completion Technology |
plasma drilling, rate of penetration, coiled tubing, hard rock, basement formation |
World Geothermal Congress |
2020 |
English |
| Chip-Hold-Down Effect on Rate-of-Penetration During Deep Percussive Drilling: A Theoretical Approach |
Gaspar GOHIN, Trond BERGSTRØM, Marion FOURMEAU, and Alexandre KANE |
Drilling and Completion Technology |
percussive drilling, chip hold down, rock strengthening, drilling fluid, rate-of-penetration |
World Geothermal Congress |
2020 |
English |
| Evaluation of Casing Collapse Capacity in Ultra-high Temperature Geothermal Wells |
Gaute GRUBEN, David PHILLIPPE, Tèrence COUDERT, Hieu Nguyen HOANG, Arve BJØRSET, Sturla SÆTHER, Bård NYHUS |
Drilling and Completion Technology |
Casing, Collapse, Ultra-High Temperature, Finite Element Analyses |
World Geothermal Congress |
2020 |
English |
| Torque and Drag Sensitivity Analysis for Geothermal Deep Well |
Fatah GUNAWAN, Widoyo KRISNANTO, Agus A. ZUHRO |
Drilling and Completion Technology |
torque, drag, sensitivity |
World Geothermal Congress |
2020 |
English |
| Investigation of the Effects of Temperature on Annular Friction Pressure Loss |
Kazim Onur GURCAY, Serhat AKIN, Ismail Hakki GUCUYENER |
Drilling and Completion Technology |
friction pressure loss, rheological model, temperature |
World Geothermal Congress |
2020 |
English |
| Extended Horizontal Jet Drilling for EGS Applications in Petrothermal Environments |
S. HAHN, V. WITTIG, R. BRACKE |
Drilling and Completion Technology |
radial jet drilling, EGS, rock erosion mechanism |
World Geothermal Congress |
2020 |
English |
| An Updated Statistic Evaluation of Drilling Performance, Drilling Cost and Well Capacity of Geothermal Fields in Indonesia |
Eko HARI PURWANTO, Eko SUWARNO, Carson HAKAMA, Aulia Rizky PRATAMA and Budi HERDIYANTO |
Drilling and Completion Technology |
geothermal drilling cost, well capacity |
World Geothermal Congress |
2020 |
English |
| Stuck Casing Mitigation - Raising Situation Awareness During Casing/Liner Installation Based on Real Time Friction Coefficient Analysis |
Gudrun HILLBRAND, Manuel FASCHING, David LENTSCH, Gerhard THONHAUSER |
Drilling and Completion Technology |
stuck casing mitigation, running casing model, |
World Geothermal Congress |
2020 |
English |
| Down-the-hole Water Powered Hammer Drilling for Medium Deep Geothermal Energy Systems |
Sebastian HOMUTH |
Drilling and Completion Technology |
down hole hammer drilling, medium deep systems, heat storage, borehole heat exchanger, drilling fluid system |
World Geothermal Congress |
2020 |
English |