| 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 |
| THE GEOTHERMAL TWO-PHASE ORIFICE PLATE |
M.H. Mubarok, S.J. Zarrouk and J.E. Cater |
Session 4.1: Production |
Geothermal, real time measurement, mass flow rate, enthalpy, two-phase flow, orifice plate |
New Zealand Geothermal Workshop |
2017 |
English |
| COUPLED GEOTHERMAL PROCESS AND RESERVOIR MANAGEMENT |
M. Dabbour, W. Yu, R. Archer, B. Young |
Session 4.1: Production |
Geothermal, Simulation, Coupling, Fouling, Management, PyTOUGH, AUTOUGH, TOUGH2, VMGSim |
New Zealand Geothermal Workshop |
2017 |
English |
| The Application of Helical Screw Expanding Technology for Geothermal Power Generation |
R.J. Hooper, J.S. Chen, Z.M. Chen |
Session 4.1: Production |
screw expander, geothermal power, positive displacement machines, waste heat recovery, hybrid power |
New Zealand Geothermal Workshop |
2017 |
English |
| HYDROGEN PEROXIDE AS A GEOTHERMAL COOLING WATER BIOCIDE |
T.A. Clark and I.M. Richardson |
Session 4.1: Production |
Cooling water, microbiological control, hydrogen peroxide, biocides, sulphur oxidizing bacteria, fouling, geothermal, catalase |
New Zealand Geothermal Workshop |
2017 |
English |
| WELLBORE MODELLING OF DRY STEAM PRODUCTION FROM A MULTI-LATERAL GEOTHERMAL WELL |
F.X. Guwowijoyo, N.M. Saptadji, and H.B. Pratama |
Session 4.1: Production |
Multi-lateral well, production, wellbore modeling |
New Zealand Geothermal Workshop |
2017 |
English |
| Injectivity Changes at Ngatamariki |
J. Potter, A. Calibugan, A. Ferguson, and G. Allan |
Session 4.1 Above Ground Technology 2 |
Ngatamariki, Taupo Volcanic Zone, injection, injectivity index, temperature, microseismicity |
New Zealand Geothermal Workshop |
2020 |
English |
| Effective Turbine Plant Outage Execution |
P. Krige and A. Nish |
Session 4.1 Above Ground Technology 2 |
Turbine, outage, maintenance |
New Zealand Geothermal Workshop |
2020 |
English |
| Digital Twins for the Geothermal Industry: Theory and Practice |
W. Yu1, M. Dabbour, M. Proctor, D.I. Wilson, I. Udugama, R. Archer and B. Young |
Session 4.1 Above Ground Technology 2 |
Digital twin, geothermal industry, dynamic geothermal plant modelling, decoupling model |
New Zealand Geothermal Workshop |
2020 |
English |
| Poihipi Geothermal Power Plant Water Cooling System – Taking a Holistic Approach to Investigating Problems and Implementing Solutions |
M. Young and S.J. Zarrouk |
Session 4.1 Above Ground Technology 2 |
Cooling water, microbiological control, algae, biocides, Sulphur Oxidising Bacteria, geothermal, Wairakei, Poihipi |
New Zealand Geothermal Workshop |
2020 |
English |
| Pentane Evacuation for Binary Plants |
L. McLellan, K. Harpur and V. Hoepfinger |
Session 4.1 Above Ground Technology 2 |
pentane, evacuation, binary plant, Ngatamariki, geothermal power plant, vacuum pump |
New Zealand Geothermal Workshop |
2020 |
English |
| Well Performance Diagnostics and Forecasting Using the Gudrun Wellbore Simulator - Case Studies from Kawerau, New Zealand |
J.J. Quinao, P. Franz, and J. Clearwater |
Session 4.1 Above Ground Technology 2 |
Kawerau, wellbore simulator, wellbore modeling, Gudrun, Volsung |
New Zealand Geothermal Workshop |
2020 |
English |
| Managing Debris in Geothermal Production Fluid |
A.R. Diaz, J. Chiquet and K. Koorey |
Session 4.1 Above Ground Technology 2 |
Strainers, filtering, debris, scale, solid removal, solid waste management, cleaning, maintenance, separators |
New Zealand Geothermal Workshop |
2020 |
English |
| COMMON CHARACTERISTICS OF PUMPED WELLS IN GEOTHERMAL POWER PROJECTS |
E.N. Yearsley |
Session 4.1 – Drilling and above ground technology 1 |
fluid utilization, productivity index, allowable drawdown, gas breakout, static head, dynamic head |
New Zealand Geothermal Workshop |
2019 |
English |
| MODIFICATION OF UNIT 1 COOLING TOWER (CT) TO IMPROVE THE CT PERFORMANCE IN STAR ENERGY GEOTHERMAL (WAYANG WINDU) LTD |
A. Zein, M. Kuntoaji |
Session 4.1 – Drilling and above ground technology 1 |
air flow, Amarillo, cooling tower, gearbox, Marley, recirculation, Star Energy, velocity |
New Zealand Geothermal Workshop |
2019 |
English |
| EXPERIMENTAL AND NUMERICAL STUDY OF GEOTHERMAL WELLBORE HEAT EXCHANGER IN ABANDONED GAS WELLS: A CASE STUDY FROM TAIWAN |
B. Hsieh, M. Hsu, B. Chen and T. Chen |
Session 4.1 – Drilling and above ground technology 1 |
Abandoned oil and gas well, Geothermal energy, Numerical simulation, Wellbore heat exchanger |
New Zealand Geothermal Workshop |
2019 |
English |
| BREAKTHROUGH ON A ROTARY STEERABLE SYSTEM FOR GEOTHERMAL DRILLING IN A WEST JAVA FIELD |
A.Z. Kurnia, X. Wang, J.F. Bao, S. Scagliarini |
Session 4.1 – Drilling and above ground technology 1 |
Rotary Steerable System (RSS), geothermal, BHA, Surveying Strategy, stuck pipe, Dog Leg Severity (DLS), Rate of Penetration (ROP) |
New Zealand Geothermal Workshop |
2019 |
English |
| INTEGRATED ENGINEERING ANALYSIS TO SUPPORT SUCCESSFUL UTILIZATION OF CASING DRILLING IN GEOTHERMAL WELLS |
R.Y. Mardiana, B. Noviasta |
Session 4.1 – Drilling and above ground technology 1 |
casing drilling, static modeling, dynamic modeling, geothermal |
New Zealand Geothermal Workshop |
2019 |
English |