| TWO CONTRASTING GEOTHERMAL FIELDS IN SUMATRA, INDONESIA: MUARA LABOH AND RANTAU DEDAP |
R.P. Sidik, W. Mussofan, I. Wallis, H. Azis, J. Stimac, N. Ganefianto |
Session 2.4
Geothermal Geology |
Sumatra, Indonesia, Great Sumatra Fault, Muara Laboh, Rantau Dedap, geologic context, reservoir characterization, structure, permeability |
New Zealand Geothermal Workshop |
2018 |
English |
| AN APPLICATION OF 3D TEMPERATURE MODELING DURING AND AFTER DEVELOPMENT DRILLING AT MUARA LABOH, SUMATERA, INDONESIA |
D.A. Dyaksa, J. Stimac, M. Baroek, M. Sihotang, I. Ramadhan, R. Martikno |
Session 2.4
Geothermal Geology |
3D geothermal modeling, temperature model, Muara Laboh |
New Zealand Geothermal Workshop |
2018 |
English |
| Investigating the Geothermal Signature of the Kaimai Tunnel, New Zealand |
Y. Ramadhan, S.J. Zarrouk, and K. Luketina |
Session 2.3: Geochemistry |
Kaimai tunnel, water seepages, natural temperature gradient |
New Zealand Geothermal Workshop |
2017 |
English |
| X-RAY CHARACTERISATION OF SILICEOUS SINTER FROM STEAMBOAT SPRINGS AND ROOSEVELT GEOTHERMAL FIELDS, USA |
I. Qasim, B.Y. Lynne |
Session 2.3: Geochemistry |
X-ray, XRD, XRF, iTRAX, siliceous sinter, geochemical analysis, phase identification, elemental analysis |
New Zealand Geothermal Workshop |
2017 |
English |
| Applications of Sulfur Isotopes in Characterizing Reservoir Processes at the Kawerau Geothermal Field, New Zealand |
E. Buscarlet, A. Calibugan and F. Siega |
Session 2.3: Geochemistry |
Kawerau, sulfur isotope, hydrogen isotope, oxygen isotope, injection returns, marginal recharge |
New Zealand Geothermal Workshop |
2017 |
English |
| EXPERIMENTAL DETERMINATION OF THE THERMAL STABILITY OF THE ORGANIC TRACERS 1,5-NDS AND 2-NSA UNDER GEOTHERMAL CONDITIONS |
L. Sajkowski, B.W. Mountain, T.M. Seward |
Session 2.3: Geochemistry |
Tracer studies, naphthalene disulfonic acid, naphthalene sulfonic acid, NDS, NSA, experimental geochemistry |
New Zealand Geothermal Workshop |
2017 |
English |
| B-Value Mapping for Volcanic-Related Geothermal System: a Case Study of Nevado Del Ruiz Volcano, Colombia |
P. Aguilera, L. Adam and G. Lamessa |
Session 2.3 Geoscience 2 |
Microseismicity, Magnitude of completeness, b-values, Nevado del Ruiz volcano |
New Zealand Geothermal Workshop |
2020 |
English |
| A Conceptual Approach to 3-D “PLAY Fairway” Analysis for Geothermal Exploration and Development |
B. Poux, J. O’Brien |
Session 2.3 Geoscience 2 |
Play Fairway, Resource exploration, 3-D modelling, Leapfrog |
New Zealand Geothermal Workshop |
2020 |
English |
| Rationale for the Scientific Drilling Project “INTERACTION”: Interactions Between Life, Rifting and Caldera Tectonics in Okataina |
C. Massiot, T. Marr, L. Adam, S. Cronin, E. Bertrand, F.C. Tontini, Geoff Kilgour4, Sarah D. Milicich1, Craig Miller4, Alex Nichols4, Matthew Stott3, Guido Ventura5, Pilar Villamor1 and Paul White4 |
Session 2.3 Geoscience 2 |
scientific drilling, mātauranga Māori, interactions, caldera, rift, biosphere, hydrology, Okataina Volcanic Centre |
New Zealand Geothermal Workshop |
2020 |
English |
| Online Geothermal Well Stimulation and Silica Based Deposit Removal |
L. Muller, D. Wilson |
Session 2.3 – Silica & Corrosion 1 |
Online Chemical Cleaning. Silica Scaling, Geothermal Well Stimulation |
New Zealand Geothermal Workshop |
2019 |
English |
| REMOVING SILICA FROM GEOTHERMAL WATER - RE-DESIGN OF THE PILOT PLANT AND INVESTIGATION OF OPERATION AT ELEVATED PRESSURE |
T. Borrmann, M. Schweig, J.H. Johnston, M.J. Cairns and H.P. Fraser |
Session 2.3 – Silica & Corrosion 1 |
Scale formation, silica scale, silica, calcium silicate hydrate, nano-structured calcium silicate hydrate, calcium carbonate, calcite, calcite scale, geothermal energy |
New Zealand Geothermal Workshop |
2019 |
English |
| TWO VIEWPOINTS FOR REMOVAL OF SILICIC ACID FROM GEOTHERMAL WATER TO PREVENT SILICA SCALING |
K. Yonezu, H. Inoue, S.K. Masunaga, Y. Kiyota, K. Watanabe and T. Yokoyama |
Session 2.3 – Silica & Corrosion 1 |
Removal of silicic acid, Geothermal water, Silica scale, Prevention method |
New Zealand Geothermal Workshop |
2019 |
English |
| PROGRESS IN THE CALCIUM SILICATE TECHNOLOGY DEVELOPMENT TO PREVENT SILICA DEPOSITION AND FACILITATE ENHANCED ENERGY RECOVERY FROM A GEOTHERMAL RESOURCE |
J.H. Johnston, T. Borrmann, M. Schweig, M.J. Cairns and H.P. Fraser |
Session 2.3 – Silica & Corrosion 1 |
Geothermal, separated water, nanostructured calcium silicate, silica sinter, binary, heat exchanger, enhanced energy recovery, fertilizer, building, paper |
New Zealand Geothermal Workshop |
2019 |
English |
| The material corrosion test on pH adjustment condition by acid at geothermal field in Japan |
N. Yanagisawa, Y. Masuda, M. Sato, K. Kasai, K. Osato, K. Sakura |
Session 2.3 – Silica & Corrosion 1 |
material corrosion rate, two-phase fluid, acidic fluid, pH, Cr equivalent, carbon steel |
New Zealand Geothermal Workshop |
2019 |
English |
| NGAWHA OEC4 GEOTHERMAL FLUID SEPARATION – HORIZONTAL SEPARATOR SELECTION AND PERFORMANCE |
M. Rock |
Session 2.3 - Production & Management 1 |
Horizontal geothermal separator, steam purity, steam scrubbing performance |
New Zealand Geothermal Workshop |
2021 |
— |
| THE USE OF VENTURI DURING BINARY PLANT PENTANE EVACUATION |
F. Hanik |
Session 2.3 - Production & Management 1 |
Venting, Binary plants, Eductors, Evacuation, Ngawha, Vacuum pump, Nitrogen, Purge |
New Zealand Geothermal Workshop |
2021 |
— |
| CASE STUDY OF MASS FLOW DECLINE IN PRODUCTION WELL NM11 |
G. Allan, A. Ferguson, A. Calibugan, and J. Potter |
Session 2.3 - Production & Management 1 |
Ngatamariki, New Zealand, calcite scale, production well, geology, geochemistry, reservoir engineering |
New Zealand Geothermal Workshop |
2021 |
— |
| ASSESSING THE VIABILITY OF GEOTHERMAL PROJECTS USING PUMPED WELLS |
G. Ussher, J. Brotheridge |
Session 2.3 - Production & Management 1 |
Low temperature, pumped wells, exploration |
New Zealand Geothermal Workshop |
2021 |
— |
| Non Condensable Gas Reinjection Trial at Ngatamariki Geothermal Power Plant |
S.A. Ghafar, G. Allan, A. Ferguson, F. Siega, M. Rivera, B. Murphy |
Session 2.3 - PRODUCTION & MANAGEMENT 1 |
NCG, Carbon Emissions, Ngatamariki, Process Design, Trial, Chemistry |
New Zealand Geothermal Workshop |
2022 |
English |
| Digitalisation of Ngatamariki Geothermal Power Plant |
M. Dabbour, G. Allan, M. Atkins, R. Maginness |
Session 2.3 - PRODUCTION & MANAGEMENT 1 |
Digital Twin, OEC, Ngatamariki, Integrated, Process Simulation |
New Zealand Geothermal Workshop |
2022 |
English |