| NOVEL APPLICATION OF CONTINUOUS GRAVITY AND GNSS TO UNDERSTAND EFFECTS OF LIQUID SATURATION CHANGES ON YIELDING DEFORMATION |
C. Bromley, F. Sepulveda, W. Mannington, S. Currie, M. Abele |
Session 3.2 – Reservoir Characterisation |
deformation, subsidence, geophysics, gravity monitoring, Tauhara |
New Zealand Geothermal Workshop |
2019 |
English |
| SEISMOLOGICAL STUDIES OF GEOTHERMAL SYSTEMS IN THE TAUPŌ VOLCANIC ZONE |
M. Savage, J. Townend, S. Sewell, C. Hopp, S. Mroczek, F. Civilini, B. Keats |
Session 3.2 – Reservoir Characterisation |
Microseismicity, Anisotropy, Brittle-ductile transition, Ambient noise, Temporal variations |
New Zealand Geothermal Workshop |
2019 |
English |
| CONCEPTUAL MODEL AND NUMERICAL SIMULATION UPDATE OF PATUHA GEOTHERMAL FIELD, WEST JAVA, INDONESIA |
A. Ashat, R.H. Ridwan, L.H. Judawisastra, J. Situmorang, I. Elfajrie, R.W. Atmaja, C. Iskandar and R.F. Ibrahim |
Session 3.1 – Modelling and Simulation 3 |
Conceptual Model, Numerical Model, Patuha, Steam dominated reservoir |
New Zealand Geothermal Workshop |
2019 |
English |
| NUMERICAL SIMULATION UPDATE of DIENG GEOTHERMAL FIELD, CENTRAL JAVA, INDONESIA |
A. Ashat, R.H. Ridwan, W. Prabata, J. Situmorang, Elfina, S. Adityawan, R.F. Ibrahim |
Session 3.1 – Modelling and Simulation 3 |
numerical model, Dieng geothermal field, conceptual model, TOUGH2 |
New Zealand Geothermal Workshop |
2019 |
English |
| MODELLING GEOTHERMAL POWER GENERATION FROM THE WAIOTAPU – WAIKITE – REPOROA GEOTHERMAL FIELDS |
R. Pauline, E. Kaya |
Session 3.1 – Modelling and Simulation 3 |
Waiotapu, Waikite, Reporoa, numerical model, geothermal power generation |
New Zealand Geothermal Workshop |
2019 |
English |
| EXPERIMENTS WITH VORONOI MESHES FOR GEOTHERMAL MODELS |
M. Baelemans and M. O’Sullivan |
Session 3.1 – Modelling and Simulation 3 |
Geothermal modelling, Voronoi grids, regularization |
New Zealand Geothermal Workshop |
2019 |
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 |
| SUPERHOT FLUIDS: THE ORIGIN AND FLUX OF NATURAL GREENHOUSE GASES IN VOLCANIC AREAS |
I. Chambefort, M. Rowe, A. Mazot, T.J. Yang and D. Farsky |
Session 2.2 – Geoscience 2 |
Deep geothermal gas, natural greenhouse gas, magmatic source, Taupo Volcanic Zone |
New Zealand Geothermal Workshop |
2019 |
English |
| GEOLOGICAL EVOLUTION OF THE ROTOKAWA GEOTHERMAL SYSTEM, NEW ZEALAND |
S.D. Milicich, I. Chambefort, C.J.N. Wilson, S.A. Alcaraz, A. Calibugan, C. Bardsley |
Session 2.2 – Geoscience 2 |
Taupō Volcanic Zone, New Zealand, U-Pb dating, geochronology, Rotokawa geothermal system |
New Zealand Geothermal Workshop |
2019 |
English |
| THICK SILICIC VOLCANIC SEQUENCES AT MUARA LABOH AND RANTAU DEDAP GEOTHERMAL FIELDS, SUMATRA, INDONESIA: IMPLICATIONS FOR RESERVOIR ARCHITECTURE AND PERMEABILITY |
W. Mussofan, J. Stimac, M.C. Baroek, A. Colvin, R.P. Sidik, N. Ganefianto, S. Santana |
Session 2.2 – Geoscience 2 |
Sumatra, Tectonism, Silicic Volcanism, Basin, Caldera, Muara Laboh, Rantau Dedap, Petrography, Alteration, Image Log, Reservoir, Permeability |
New Zealand Geothermal Workshop |
2019 |
English |
| HYDROGEOLOGIC CONTROLS ON STRATOVOLCANIC GEOTHERMAL SYSTEMS |
K.B. Alexander |
Session 2.2 – Geoscience 2 |
Stratovolcanoes, hydrogeology of geothermal systems |
New Zealand Geothermal Workshop |
2019 |
English |
| GEOTHERMAL SUBSIDENCE AND INFLATION IN TAUPO: A COMPARISON OF DETECTION METHODS |
M. Harvey, J. McLeod, K. Luketina, and C. Harvey |
Session 2.2 – Geoscience 2 |
aerial, survey, photogrammetry, New, Zealand, drone, UAV, UAS, subsidence, PSInSAR, Sentinel-1 |
New Zealand Geothermal Workshop |
2019 |
English |
| USE OF GRAVITY, MICROEARTHQUAKE, AND TRACER INJECTION TEST DATA IN CALIBRATING THE TIWI NUMERICAL RESERVOIR MODEL |
F.R. Cinco, H.L. Marcuap, and A.J. Menzies |
Session 2.1 – Modelling & Simulation 2 |
Tiwi, reservoir model, numerical modeling, geothermal model, precision gravity, microearthquake, tracer injection, conceptual model |
New Zealand Geothermal Workshop |
2019 |
English |
| AN UPDATED CONCEPTUAL MODEL OF THE TOMPASO GEOTHERMAL FIELD USING NUMERICAL SIMULATION |
A. Lesmana, H.B. Pratama, A. Ashat, N.M. Saptadji and F. Gunawan |
Session 2.1 – Modelling & Simulation 2 |
Tompaso, TOUGH2, natural state, conceptual model |
New Zealand Geothermal Workshop |
2019 |
English |
| CHARACTERISTICS OF FLOWS IN PERVASIVELY FRACTURED ANDESITES, ROTOKAWA GEOTHERMAL FIELD, NEW ZEALAND |
W. Kissling and C. Massiot |
Session 2.1 – Modelling & Simulation 2 |
Fracture flow, permeability anisotropy, fluid dispersion, Rotokawa |
New Zealand Geothermal Workshop |
2019 |
English |
| LEAPFROG 3D TEMPERATURE DISTRIBUTION BASED ON TOUGH2 NUMERICAL MODELLING: A NEW APPROACH |
M.C. Supijo, H.B. Pratama and Sutopo |
Session 2.1 – Modelling & Simulation 2 |
Leapfrog Geothermal, TOUGH2, Numerical Modelling, Atadei Geothermal Field |
New Zealand Geothermal Workshop |
2019 |
English |