| Hydrothermal Spallation of Barre Granite Using Supercritical Water Jets |
Ivan BEENTJES, Jay T. BENDER, Sean D. HILLSON, Jefferson W. TESTER |
Drilling |
spallation, comminution, supercritical water, hydrothermal jet, advanced drilling, geothermal drilling, chemical enhanced drilling, chemical drilling |
Stanford Geothermal Workshop |
2018 |
English |
| Successful Deployment of a Multi-Crossing Directional Drilling Method at Ormat’s New Tungsten Mountain Geothermal Field in Churchill County, Nevada |
Benjamin DELWICHE, Brad PETERS, Matt SOPHY, Chandler SMITH, Jeremy O'BRIEN |
Drilling |
directional drilling, Tungsten, Ormat, Directional Drilling, 3D Modeling |
Stanford Geothermal Workshop |
2018 |
English |
| Feasibility Study of Tannin-Lignosulfonate Drilling Fluid System for Drilling Geothermal Prospect |
Nurul Aimi GHAZALI, Shigemi NAGANAWA, Yoshihiro MASUDA |
Drilling |
drilling fluid, deflocculant, tannin-lignosulfonate, tannin, and lignosulfonate |
Stanford Geothermal Workshop |
2018 |
English |
| Drilling and Well Completion Cost Analysis of Geothermal Wells in Turkey |
Sercan GUL, Volkan ASLANOGLU |
Drilling |
cost estimation, cost model, geothermal, drilling, Turkey |
Stanford Geothermal Workshop |
2018 |
English |
| Post Yield Tubular Design and Material Selection Considerations for Improved Geothermal Well Integrity |
Ravi KRISHNAMURTHY, Poodipeddi V. SURYANARAYANA |
Drilling |
well integrity, tubular design, low cycle fatigue, corrosion, cyclic thermal loads, brittle failure |
Stanford Geothermal Workshop |
2018 |
English |
| Application of Controlled-Porosity Ceramic Material in Geothermal Drilling |
Bill LOWRY and Dennis L. NIELSON |
Drilling |
thermite, lost circulation, swelling clays, cementing, diameter reduction, high temperature synthesis |
Stanford Geothermal Workshop |
2018 |
English |
| The Effect of Wellbore Centralization in Geothermal Wells |
Michael F. MENDEZ, Adonis ICHIM, Catalin TEODORIU |
Drilling |
centralization, finite element analysis. |
Stanford Geothermal Workshop |
2018 |
English |
| Sensitivity Analysis of Geothermal Drilling Parameters-A Case Study of Well MW-17 in Menengai Kenya |
MIYORA Thomas Ong'au |
Drilling |
modelling, drilling parameters, sensitivity analysis, weight on bit, rotations per minute,Menengai |
Stanford Geothermal Workshop |
2018 |
English |
| CFD Simulation to Optimize Depressurization of Thermal-Shock Enhanced Drill Bit |
Shigemi NAGANAWA |
Drilling |
supercritical geothermal, thermal shock, hybrid drill bit, Venturi effect, computational fluid dynamics (CFD) simulation |
Stanford Geothermal Workshop |
2018 |
English |
| Design and Application of Aerated and Foam Drilling Fluid, Case Study in Geothermal Drilling Operation in Indonesia |
Wisnu NUGROHO |
Drilling |
aerated, foam, drilling |
Stanford Geothermal Workshop |
2018 |
English |
| Estimation of Plugging and Abandonment Costs Based on Different EU Regulations with Application to Geothermal Wells |
Olusegun OSUNDARE, Catalin TEODORIU, Gioia FALCONE, Adonis ICHIM |
Drilling |
abandonment, P&A, costs, regulation |
Stanford Geothermal Workshop |
2018 |
English |
| Experiments on Rock-Bit Interaction During a Combined Thermo-Mechanical Drilling Method |
Edoardo ROSSI, Michael A. KANT, Oskar BORKELOH, Martin O. SAAR, Philipp RUDOLF VON ROHR |
Drilling |
alternative drilling methods, enhanced drilling, hard rock drilling, rock abrasivity, rock-bit interaction, thermal treatments |
Stanford Geothermal Workshop |
2018 |
English |
| A Novel View of Cement Failure with Application to Geothermal Well Construction |
Catalin TEODORIU, Mi Chin YI, Adonis ICHIM, Saeed SALEHI |
Drilling |
well construction, well cement, shear failure, crush, well integrity |
Stanford Geothermal Workshop |
2018 |
English |
| Comparison of Drilling Technologies Between Top Drive and Rotary Table in Geothermal Fields: A Case Study of Olkaria Geothermal Fields |
Kahuta, James; Atwa, Victor |
Drilling |
ROP- Rate of Penetration; stands; singles; stuck pipes; top drive; rotary table; drilling efficiency; weight on bit (WOB); tripping |
Geothermal Resources Council Transactions |
2015 |
English |
| Experimental Investigation of Amine- and Triazine-Based Biocide Effectiveness in Polymer-Based Fluids |
Volkan ASLANOGLU, Elvan Hortac ISTAR, Sercan GUL, |
Drilling |
polymer-based fluids, drilling fluids, bacterial activity, microbiology, biocide |
Stanford Geothermal Workshop |
2019 |
English |
| Estimation of Bottom Hole and Formation Temperature by Drilling Fluid Data: A Machine Learning Approach |
Sercan GUL, Volkan ASLANOGLU, Mahmut Kaan TUZEN, Erdinc SENTURK |
Drilling |
machine learning, bottom hole temperature, formation temperature, drilling fluids |
Stanford Geothermal Workshop |
2019 |
English |
| Experimental Investigation of the Effect of Temperature on Friction Pressure Loss of Polymeric Drilling Fluid Through Vertical Concentric Annulus |
Kazim Onur GURCAY, Serhat AKIN, Hakki GUCUYENER |
Drilling |
concentric annulus, polymeric drilling fluid, temperature effect |
Stanford Geothermal Workshop |
2019 |
English |
| Drilling Performance of PDC Bits for Geothermal Well Development in Field Experiments |
Hiroyuki IMAIZUMI, Tetsuji OHNO, Hirokazu KARASAWA, Kuniyuki MIYAZAKI, Eko AKHMADI, Masahiro YANO, Yosuke MIYASHITA, Naoto YAMADA, Tetsuomi MIYAMOTO, Masatoshi TSUZUKI, Satoshi KUBO, Yasuyuki HISHI |
Drilling |
PDC cutter, PDC bit, Drilling, ROP, WOB, TOB, Wear resistance, Toughness, Impact, Abrasion, Structural analysis, Fluid analysis |
Stanford Geothermal Workshop |
2019 |
English |
| In-depth Investigations of Casing-Cement System Failure Modes in Geothermal Wells Considering Cement Voids and Improper Centralization |
Michael F. MENDEZ, Lihong HAN, Shangyu YANG, Catalin TEODORIU, Xingru WU, |
Drilling |
centralization, wellbore integrity, finite element analysis |
Stanford Geothermal Workshop |
2019 |
English |
| Downhole Sensors in Drilling Operations |
Nathan PASTOREK, Katherine YOUNG, Alfred EUSTES |
Drilling |
MWD, LWD, Rate of Penetration, Drilling Data, Geothermal, Telemetry |
Stanford Geothermal Workshop |
2019 |
English |