| MODELLING OF IN SITU SILICA PARTICLE GROWTH AND ITS DEPOSITION UNDER GEOTHERMAL CONDITIONS |
S. Chen, K. Brown, M. Jermy |
Session 5.3
Scaling and Corrosion |
Reactive transport, silica scaling, amorphous silica deposition |
New Zealand Geothermal Workshop |
2018 |
English |
| HISTORICAL REVIEW OF GEOPHYSICAL MONITORING AT WAIRAKEI-TAUHARA : WHAT HAVE WE LEARNT? |
C. Bromley, W. Mannington, F. Sepulveda, J. McDowell, A. Seward, A. Lucas |
Session 5.2
Wairakei |
Wairakei, Tauhara, geophysics, monitoring |
New Zealand Geothermal Workshop |
2018 |
English |
| OVER 60 YEARS OF DIRECT GEOTHERMAL USE AT WAIRAKEI - TAUHARA AND GROWING STRONGER ….. |
B. Carey, C. Stephenson, A. Blair |
Session 5.2
Wairakei |
Wairakei, Tauhara, geothermal, direct use, geothermal energy, tourism, bathing, timber drying, Contact Energy, Bay of Connections |
New Zealand Geothermal Workshop |
2018 |
English |
| WAIRAKEI – STILL GOING AFTER ALL THESE YEARS |
C. Morris |
Session 5.2
Wairakei |
Wairakei, history, power station, turbine, maintenance, O&M, generation |
New Zealand Geothermal Workshop |
2018 |
English |
| PHYSICAL MODEL OF THE WAIRAKEI GEOTHERMAL FIELD, CIRCA 1960 |
P.A. White, G.B. Dawson, R. Davidson |
Session 5.2
Wairakei |
Wairakei Geothermal Field, physical model, geothermal springs, Taupo Volcanic Zone |
New Zealand Geothermal Workshop |
2018 |
English |
| CONCEPTUAL MODEL AND RECHARGE AREA OF GEOTHERMAL SYSTEM GEDE-PANGRANGO AND PANCAR BASED ON GEOCHEMICAL AND HYDROGEOLOGICAL DATA |
H.C. Sirait, N.R. Herdianita |
Session 5.1
Geothermal Geochemistry |
Geothermal system, reservoir, cap rock, recharge area, isotope, West Java, Indonesia |
New Zealand Geothermal Workshop |
2018 |
English |
| PREDICTING THE EVOLUTION OF RIA-RIA TRAVERTINE DEPOSIT IN THE SIPOHOLON AREA, NORTH SUMATERA USING GEOCHEMISTRY ANALYSIS |
B. Sibarani, J.Y. Sianipar, Mustiatin, Suryantini |
Session 5.1
Geothermal Geochemistry |
Geochemistry, Great Sumatran Fault, Ria-Ria, Travertine |
New Zealand Geothermal Workshop |
2018 |
English |
| AN EXPLANATION FOR THE UNEXPECTED INTERACTIONS OF SILICA NANOPARTICLES USING THE SOFT PARTICLE MODEL |
S. Chen, K. Brown, M. Jermy |
Session 5.1
Geothermal Geochemistry |
Colloidal silica, soft particle, silica chemistry, aggregation, silica scaling, amorphous silica deposition |
New Zealand Geothermal Workshop |
2018 |
English |
| ACID STIMULATION OF KAWERAU INJECTION WELL PK4A USING HYDROFLUORIC ACID |
C. Coutts, I. Richardson, J. Quinao, O. Goh |
Session 4.3
Scaling and Corrosion |
acidising, injection, hydrofluoric acid, hydrochloric acid, silica, scaling |
New Zealand Geothermal Workshop |
2018 |
English |
| CONNECTIVITY OF WELLS IN THE EAST SALAK STEAM CAP: RESULTS OF NCG INTERFERENCE TESTING |
R.P. Putri, T. Julinawati |
Session 5.1
Geothermal Geochemistry |
Salak, Awibengkok, Non-condensable Gas, gas interference, reservoir connectivity |
New Zealand Geothermal Workshop |
2018 |
English |
| INSIGHTS INTO THE CHEMISTRY OF WATERS BEYOND THE TE AROHA DOMAIN |
J. Turk, K. Luketina |
Session 5.1
Geothermal Geochemistry |
Te Aroha Domain, Mokena geyser, Kaimai Range, geothermal, geochemistry, direct use |
New Zealand Geothermal Workshop |
2018 |
English |
| LAMELLA SEPARATORS FOR RECOVERING NANO-STRUCTURED CALCIUM SILICATE HYDRATE FROM GEOTHERMAL BRINE |
M. Schweig, J.H. Johnston, T. Borrmann, M.J. Cairns |
Session 4.3
Scaling and Corrosion |
Solid liquid separation, lamella separator, silica, silica scale, nano-strucuted calcium silicate hydrate, geothermal energy |
New Zealand Geothermal Workshop |
2018 |
English |
| REMOVING SILICA FROM GEOTHERMAL WATER - YEAR ONE OF PILOT PLANT OPERATION WITH A FOCUS ON CARBONATE AND SILICA ANALYSIS |
T. Borrmann, M. Schweig, M.J. Cairns, J.H. Johnston, A.K. Gray |
Session 4.3
Scaling and Corrosion |
Scale formation, silica scale, calcium silicate hydrate, nano-structured calcium silicate hydrate, geothermal energy, calcite, calcium carbonate |
New Zealand Geothermal Workshop |
2018 |
English |
| ELIMINATION OF THE PROBLEMATIC DEPOSITION OF SILICA FROM SEPARATED GEOTHERMAL BRINE |
J.H. Johnston, T. Borrmann, M. Schweig, M.J. Cairns |
Session 4.3
Scaling and Corrosion |
Silica, silica deposition, sinter, nanostructured calcium silicate, calcium silicate, geothermal, enhanced energy recovery, building, phosphate, environmental |
New Zealand Geothermal Workshop |
2018 |
English |
| ALUMINIUM-RICH SILICA SCALING: SAN JACINTO-TIZATE GEOTHERMAL ENERGY PROJECT, NICARAGUA |
C.J. Newton, S.J. Zarrouk, J. Lawless, M.C. Rowe, J.A. Guidos, K.L. Brown |
Session 4.3
Scaling and Corrosion |
San Jacinto-Tizate, Aluminium-rich, silica scale, reinjection line, XRD, FESEM EDS, allophane, hydroxyaluminosilicate, boehmite |
New Zealand Geothermal Workshop |
2018 |
English |
| JOINT INVERSION FOR THERMAL CONDUCTIVITY AND BASAL HEAT FLUX |
S. Guzman, R. Nicholson |
Session 4.2 |
Bayesian inversion, thermal conductivity, basal heat flux, uncertainty quantification |
New Zealand Geothermal Workshop |
2018 |
English |
| EVALUATING EFFECTIVENESS OF CALCITE ANTISCALANT FOR FIELD APPLICATION |
F. Siega, T. Gresham, A. Calibugan, O. Goh |
Session 4.2 |
calcite scale deposition, antiscalant, thermal stability, NACE test, well productivity |
New Zealand Geothermal Workshop |
2018 |
English |
| INVESTIGATING THE EFFECTS OF NON-ISOTHERMAL RESERVOIR CONDITION ON PRESSURE TRANSIENT ANALYSIS OF AN INJECTION/FALL-OFF TEST USING NUMERICAL MODELLING |
R.J.A. Guerra, J. OSullivan |
Session 4.2 |
Pressure transient analysis, non-isothermal effects, injection/fall-off test, numerical model, TOUGH2, PyTOUGH, SAPHIRTM, permeability, skin |
New Zealand Geothermal Workshop |
2018 |
English |
| NUMERICAL AND ANALYTICAL MODELING OF PRESSURE DROP THROUGH A GEOTHERMAL TWO-PHASE ORIFICE PLATE |
M.H. Mubarok, S.J. Zarrouk, J.E. Cater |
Session 4.2 |
Geothermal; Two-phase; Orifice plates; Net pressure drop; Computational fluid dynamics |
New Zealand Geothermal Workshop |
2018 |
English |
| PREDICTIONS OF AVERAGE SILICA PARTICLE SIZE OVER TIME UNDER GEOTHERMAL CONDITIONS |
S. Chen, K. Brown, M. Jermy |
Session 4.1
Geothermal Geochemistry
Karapiti Room |
Colloidal silica, nucleation and growth, silica chemistry, Ostwald ripening |
New Zealand Geothermal Workshop |
2018 |
English |