| Monitoring changes in geothermal springs chemistry at Kuirau Park and Ohinemutu, Rotorua geothermal system - using field physical measurements as a cost-effective proxy for chemistry changes |
J. Raine, M. Zuquim, S. Zarrouk |
Session 2.2 - GEOCHEMISTRY / SCALING & CORROSION 1 |
Rotorua Geothermal System, environmental monitoring, Geochemistry, Kuirau, Ohinemutu |
New Zealand Geothermal Workshop |
2025 |
English |
| Natural state chemistry of the Ijen geothermal Field – A blind geothermal system |
F. Dermawan, S. Webbison, A. Johnson, R. Libbey, L. Marini, E. Mroczek, I. Saputra, D. Utomo, R. Abiyudo, J, Murphy |
Session 2.2 - GEOCHEMISTRY / SCALING & CORROSION 1 |
Ijen, Blawan-Ijen, Java, Indonesia, Natural-State, Chemistry, Blind Geothermal System, Kawah Wurung |
New Zealand Geothermal Workshop |
2025 |
English |
| Geothermal potential of the Amagmatic Aswa Shear Zone in Uganda: An assessment using geochemical signatures |
B. Twesigye, Y. Fujimitsu, T. Ino Tatsuto, J. Achieng |
Session 2.2 - GEOCHEMISTRY / SCALING & CORROSION 1 |
shear zone, amagmatic, geochemistry |
New Zealand Geothermal Workshop |
2025 |
English |
| Development of prevention strategies for silica scaling based on neural network supervised machine learning |
S. Juhri, K. Yonezu, R. Terashi, T. Naritomi, E. Watanabe, S. Sato, N. Inoue, T. Yokoyama |
Session 2.2 - GEOCHEMISTRY / SCALING & CORROSION 1 |
machine learning, silica scale, mitigation, inhibitor |
New Zealand Geothermal Workshop |
2025 |
English |
| Formation factor analysis of the silica scale precipitated from geothermal waters by machine learning |
T. Naritomi, K. Yonezu, S. Juhri |
Session 2.2 - GEOCHEMISTRY / SCALING & CORROSION 1 |
silica scale, machine learning, neural network |
New Zealand Geothermal Workshop |
2025 |
English |
| Review of chemical cleaning methods in geothermal wells |
P. Siratovich, A. Marsh, R. Lawson, A. Ferguson |
Session 2.2 - GEOCHEMISTRY / SCALING & CORROSION 1 |
Acid, Cleaning, Scale, Drilling, Chemicals |
New Zealand Geothermal Workshop |
2025 |
English |
| Applied CO2 flux to monitor natural emission from geothermal field, New Zealand |
T.J. Yang, I. Chambefort, M. Rowe, A. Mazot, C. Werner, T. Fischer, J. Seastres, T. Brakenrig, N. Macdonald, La. Coup, F. Sander
. |
Session 2.2 - GEOCHEMISTRY |
CO2 flux, CO2 emission, temporal and spatial variation, Taupo volcanic zone, Tauhara geothermal field,
Wairakei geothermal field, Karapiti, Rotokawa geothermal field |
New Zealand Geothermal Workshop |
2022 |
English |
| Hot or cold: a review of geothermometry at the Kawerau and Nga Tamariki fields, Taupo Volcanic Zone, New Zealand |
J. Mering |
Session 2.2 - GEOCHEMISTRY |
Geothermometer, silica, NaK, NaKCa, enthalpy deficit, Kawerau, Nga Tamariki |
New Zealand Geothermal Workshop |
2022 |
English |
| Te Puia Springs, Gisborne, past and present fluids |
A.G. Reyes, D.L. Hall |
Session 2.2 - GEOCHEMISTRY |
— |
New Zealand Geothermal Workshop |
2022 |
English |
| THE USE OF HIGH RESOLUTION ULTRASONIC WELL LOGGING TOOLS TO ENHANCE WELL INTEGRITY MANAGEMENT |
M. James, L. Todd, S. Ghaziof |
Session 2.2 - Drilling & Well Testing 1 |
Casing, Coal Seam Gas, Corrosion, Geothermal, Well Integrity, Well Logging, Ultrasonic |
New Zealand Geothermal Workshop |
2021 |
— |
| Lessons Learned and Performance Improvement: Drilling Case Study from Sarulla Geothermal Operation, North Sumatra |
H.A. Permana, B. Rickard, J. Hanson, M. Kelley, G. Koscso |
Session 2.2 - Drilling & Well Testing 1 |
Geothermal Drilling, Performance Improvement, Drilling Performance, Lost Circulations, Drilling Fluid, Integrated Project Management |
New Zealand Geothermal Workshop |
2021 |
— |
| LESSONS LEARNT IN USAGE OF PRESSURE WHILE DRILLING (PWD) TO JUSTIFY DRILLING DECISIONS |
O. Goh, G. Allan, and B. Carson |
Session 2.2 - Drilling & Well Testing 1 |
Pressure While Drilling, Well Capacity, Injectivity Index |
New Zealand Geothermal Workshop |
2021 |
— |
| DE-RISKING GEOTHERMAL PROJECTS BY RE-THINKING WELL DESIGN AND THE WELL CONSTRUCTION MINDSET |
F.R. Gutterres, S. Hallundbæk, J.J.R. Cayao, W.H. Chum |
Session 2.2 - Drilling & Well Testing 1 |
Completions, well optimization, drilling, critical path, well design, well construction, flow control, capital expenditure |
New Zealand Geothermal Workshop |
2021 |
— |
| DIRECT RELATIONSHIPS BETWEEN GEOLOGY AND AIRBORNE MAGNETIC DATA OVER THE TAUPO VOLCANIC ZONE (TVZ), NEW ZEALAND |
S. Soengkono |
Session 2.2
Geothermal Geophysics |
Airborne magnetic survey, rock magnetisation, rhyolite dome, ignimbrite, geothermal field |
New Zealand Geothermal Workshop |
2018 |
English |
| UNCERTAIN ESTIMATION OF SUBSURFACE TEMPERATURE AWAY FROM THE BOREHOLE USING MAGNETOTELLURIC INVERSIONS |
A. Ardid, D. Dempsey, T. Bertrand, R. Archer |
Session 2.2
Geothermal Geophysics |
Geothermal field, magnetotelluric, joint inversion, temperature distribution |
New Zealand Geothermal Workshop |
2018 |
English |
| NUMERICAL TOOLS TO ESTIMATE THE GEOTHERMAL POTENTIAL FROM PETROLEUM AND GEOTHERMAL MEXICAN FIELDS |
O.M. Espinoza-Ojeda, E.R. Calderón, V.H. Garduño-Monroy |
Session 2.2
Geothermal Geophysics |
Geothermal energy, Geothermal systems, Petroleum wellbores, Thermal profiles, heat flow, fluid flow |
New Zealand Geothermal Workshop |
2018 |
English |
| DEVELOPMENT OF EFFICIENT AND HIGH-RESOLUTION TEM METHOD FOR GEOTHERMAL EXPLORATION |
K. Yoshimatsu, M. Tsuzuki, T. Mori, H. Watanabe, H. Ishikawa, T. Yamazaki |
Session 2.2
Geothermal Geophysics |
geothermal exploration, SQUITEM, SQUID, TEM |
New Zealand Geothermal Workshop |
2018 |
English |
| FORWARD AND INVERSE MODELLING OF GEOTHERMAL MICROSEISMICITY USING TOUGH2 COUPLED WITH AN EARTHQUAKE SIMULATOR |
J.M. Rivera, D. Dempsey |
Session 2.1: Modelling |
microseismicity, reservoir modelling, injection, inverse modeling, TOUGH2 |
New Zealand Geothermal Workshop |
2017 |
English |
| EXPERIMENTS WITH INVERSE MODELLING AND UNCERTAINTY QUANTIFICATION WITH A GEOTHERMAL MODEL |
J. Doherty, A. Yeh, R. Colina, J. Omagbon, J. OSullivan, M. OSullivan |
Session 2.1: Modelling |
geothermal model, uncertainty quantification, PEST |
New Zealand Geothermal Workshop |
2017 |
English |
| INVESTIGATION OF PARAMETER UNCERTAINTY FOR AN IDEALIZED GEOTHERMAL MODEL USING LINEAR ANALYSIS |
J. Omagbon, M. OSullivan, J. OSullivan, C. Walker and E. Bjarkason |
Session 2.1: Modelling |
Sensitivity analysis, parameter estimation, inverse modelling, uncertainty analysis, reservoir modelling, PEST, linear uncertainty analysis |
New Zealand Geothermal Workshop |
2017 |
English |