| NUMERICAL INVESTIGATION OF COUNTER-FLOW PROCESSES IN GEOTHERMAL WELLS |
R. Tonkin, J. O’Sullivan, M. O’Sullivan |
Session 5.2 - Reservoir Modelling & Future Stream 2 |
Transient, wellbore, simulation, counter flow, heat up |
New Zealand Geothermal Workshop |
2021 |
— |
| Overpressure protection in geothermal plants |
K. Koorey |
Session 5.2 - DRILLING & WELL TESTING 2 | PRODUCTION & MANAG |
Overpressure protection, vessels, piping, rupture discs, safety valves, burst disks, two-phase |
New Zealand Geothermal Workshop |
2024 |
English |
| Post drilling outer casing cement remediation and recommissioning of a Rotokawa well |
M. Kelley, D. Chaparro, O. Goh, B. Murphy |
Session 5.2 - DRILLING & WELL TESTING 2 | PRODUCTION & MANAG |
Rotokawa, well engineering, cement squeeze, well workover, well warm-up model, commissioning |
New Zealand Geothermal Workshop |
2024 |
English |
| Real-time incident detection in geothermal drilling operations using machine learning solutions |
A. Aspiras, S. Zarrouk, R. Winmill, A. Kempa-Liehr |
Session 5.2 - DRILLING & WELL TESTING 2 | PRODUCTION & MANAG |
Geothermal drilling, Incident Detection, Risk Reduction, Machine Learning |
New Zealand Geothermal Workshop |
2024 |
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 |
| Geothermal Steam Water Separator Sizing for Optimizing Power Plant Cost |
Y.A. Santoso and S.J. Zarrouk |
Session 5.1: Production |
Geothermal separators, vertical, horizontal, sizing, design, selection |
New Zealand Geothermal Workshop |
2017 |
English |
| Testing of cyclone separators and steam pipelines for separation and scrubbing performance |
T. Misa, E. Mroczek |
Session 5.1: Production |
steam separation, two phase flow, pipeline scrubbing, steam sampling, tracer testing, steam cleanliness, steam purity, steam quality |
New Zealand Geothermal Workshop |
2017 |
English |
| STEAM PURITY CHALLENGES IN GEOTHERMAL POWER PLANTS: A CASE OF OLKARIA IAU POWER PLANT |
E. Wafula and M. Nkapiani |
Session 5.1: Production |
Olkaria, geothermal, steam, purity |
New Zealand Geothermal Workshop |
2017 |
English |
| TE MIHI GEOTHERMAL POWER STATION – FAR-FIELD NOISE MITIGATION TO THE TE MIHI COOLING TOWERS |
D. Morrison |
Session 5.1: Production |
Cooling Tower, Noise |
New Zealand Geothermal Workshop |
2017 |
English |
| TE MIHI GEOTHERMAL POWER STATION – HOTWELL PUMPS – A TALE OF UNINTENDED CONSEQUENCES |
D. Morrison |
Session 5.1: Production |
Hot Well Pump, Vibration, Cavitation |
New Zealand Geothermal Workshop |
2017 |
English |
| Accurate Location of Feed Zones: Assessing Obscuration by the Liner in Geothermal Wells |
I. Goble and K. McLean |
Session 5.1 Drilling |
Completion testing, stage testing, well testing, geothermal wells, cold water injection, perforated liner |
New Zealand Geothermal Workshop |
2020 |
English |
| Custom Pdc Bits Significantly Increase Drilling Performance in Tauhara Geothermal Drilling Project |
E. Lock, R. Tipples, B. Ching and P. Victor |
Session 5.1 Drilling |
PDC technology, drill bits, drilling performance, fixed cutter bits |
New Zealand Geothermal Workshop |
2020 |
English |
| Using Air-Cap Testing to Monitor and Measure Geothermal Well Casing Integrity |
R. Winmill |
Session 5.1 Drilling |
Well Integrity, Casing Integrity, Well Inspection, Well Control, Process Safety, Geothermal Well Casing |
New Zealand Geothermal Workshop |
2020 |
English |
| Stuck Pipe Freeing Probability of Success in Geothermal Drilling Operation: a Case Study in Java |
D. Alamsyah and D. Adityatama |
Session 5.1 Drilling |
stuck pipe, stuck pipe freeing, geothermal, geothermal drilling, probability of success, Indonesia |
New Zealand Geothermal Workshop |
2020 |
English |
| Challenges in Providing a Reliable Water Distribution System for Geothermal Drilling Operation in Indonesia |
D.W. Adityatama, D. Purba, V. Agustino, A. Rachmadani, H. Wiharlan and K.K. Pasmeputra |
Session 5.1 Drilling |
geothermal, drilling, Indonesia, exploration, water supply, water transfer, infrastructure, local community |
New Zealand Geothermal Workshop |
2020 |
English |
| MANAGING THE CYCLING EFFECT ON WELL EPT-L/1 |
E. Yanto, K.E. Cici, G. Hastriansyah, F. Pasaribu, M.S.P. Silaban |
Session 5.1 – Drilling and above ground technology 2 |
Cycling, multiple feed zone, throttling, well head pressure drop |
New Zealand Geothermal Workshop |
2019 |
English |
| CONDENSATION INDUCED WATER HAMMER, NEW ZEALAND GEOTHERMAL STEAMFIELD PIPING CASE STUDIES |
K.J. Koorey |
Session 5.1 – Drilling and above ground technology 2 |
Condensation induced water hammer, piping |
New Zealand Geothermal Workshop |
2019 |
English |