NZGW 2012 Programme

Monday 19 November 2012 8.00am Registration Opens 8.30am Housekeeping 8.40am Welcome & Opening 9.20am Keynote 1: Kevin Brown - Some Current Challenges in Production Geochemistry 10.00am Morning tea

Technical Session 1: Stream A Geochemistry

Technical Session 1: Stream B Structural Geology and Geomechanics

Technical Session 1: Stream C Engineering - Production and Management

10.30am

87: Julia Bjorke - The solubility of amorphous aluminous silica between 100 - 350°C: Implications for scaling in geothermal power stations

56: Irene Wallis - Formation Assessment in Geothermal Using Wireline Tools - Application and Early Results from the Ngatamariki Geothermal Field, New Zealand

108: Kevin de Groot - Summary of Master Planning Project

10.50am

69: Peter James Swedlund - Ab Initio Calculations and In Situ Spectroscopy As Tools To Understand And Manage Silica Scale

22: Paul Siratovich - Physical and mechanical properties of the Rotokawa Andesite from production wells RK 27_L2, RK 28 and RK 30

114: Roger Hudson - Te Mihi geothermal power project - from inception to execution

11.10am

23: Bruce Mountain - The Thermal Stability of the Naphthalene Sulfonic and Naphthalene Disulfonic Acids under Geothermal Conditions: Experimental Results and a Field-Based Example

80: Jonathan Davidson - Quantifying the Stress Distribution at the Rotokawa Geothermal Field, New Zealand

71: David L. Mendive - New Focus on Wellhead Power Generation

11.30am

45: Nellie Olsen - Experimental study of stibnite solubility in aqueous sulfide solutions from 25 to 90°C

72: Christopher Scholz - Development of the Whakatane Graben with a focus on structural blocks between Maketu and Whakatane

15: Sadiq Zarrouk - CFD Modelling of Two Phase Flow inside Geothermal Steam-Water Separator

11.50am

90: Helgi Arnar Alfredsson - CarbFix – CO2 sequestration in basaltic rock, Hellisheidi SW-Iceland

118: Latasha Wyering - The Effects of Hydrothermal Alteration on Mechanical Rock Properties of the Andesite Breccia and Tahorakuri Formation from the Ngatamariki Geothermal Field, New Zealand and Empirical Relations Between Rock Strength and Physical Properties

31: Adam Tokelove - The place for Computational Fluid Dynamics models in the optimisation of geothermal cuttings ponds.

NZGW 2012 Programme

12.10pm Lunch

1.10pm Keynote 2: Joe Moore – The Evolution of a Partially Vapor-Dominated Geothermal System at Karaha-Telaga Bodas, Indonesia: Insights from Mineral Distributions and Fluid Inclusion Measurements

Technical Session 2: Stream A Geology

Technical Session 2: Stream B Structural Geology and Geomechanics

Technical Session 2: Stream C Engineering - Production and Management

1.50pm

30: Sarah Milicich - Zircon U-Pb dating of hydrothermal altered rocks for a new stratigraphic framework at Kawerau Geothermal Field, Taupo Volcanic Zone, New Zealand

68: James Faulds - Structural And Tectonic Controls of Geothermal Activity in the Great Basin Region, Western USA

97: Sadiq Zarrouk - The Conversion Efficiency in Geothermal Power Plants: Through a Worldwide Review

2.10pm

89: Fabian Sepulveda - Petrology and Hydrothermal Alteration of Spa Andesite from the Tauhara Geothermal System, Taupo Volcanic Zone, New Zealand

55: Julie Rowland - Tectonic controls on hydrothermal fluid flow in a rifting arc, Taupo Volcanic Zone, New Zealand.

42: Ian Richardson - Biological control of cooling water in geothermal power generation

2.30pm

16: Bridget Lynne - Mineralogical and Morphological Studies of Travertine: A Comparison Study Between Silver Peak, Waikite, and Ngatamariki

73: Cecile Massiot - Statistical corrections of fracture sampling bias in boreholes from acoustic televiewer logs

112: Neil Milestone - Chemical reactions in geothermal cements

2.50pm Afternoon tea 3.20pm Keynote 3: Ian Johnston – Geothermal Energy Using Ground Source Heat Pumps

Technical Session 3: Stream A Direct Use

Technical Session 3: Stream B Geochemistry

Technical Session 3: Stream C Engineering - Production and Management

4.00pm 96: Brian Carey - The rise and rise of geothermal heat pumps in New Zealand

10: Simon Bloomberg - Soil CO2 Emissions: A Proxy for Heat fnd Mass Flow Assessment, Rotokawa, New Zealand.

76: Abbie Dean - Visualisation of changing reservoir conditions at Wairakei using a 3D model

4.20pm

54: Zeb Etheridge - Modelling thermal interference and impacts for ground source heating and cooling systems

7: Dwiyogarani Malik - Geochemistry Monitoring During Drilling in Wayang Windu Field

77: Sophie Milloy - Wairakei-Tauhara Pressure Regime Update

4.40pm 86: Dianne Bradshaw - Societial Acceptance of Ground-Source Heat Innovations for Rural

57: Simon Addison - Ngatamariki Test Rig 21: Andy Bloomer - Heat Loss From High

NZGW 2012 Programme

Mâori Communities with the Example of Ngati Rangiwewehi

Results and Findings Temperature Ponds

5.00pm - 7.00pm Workshop Reception and Student Posters

NZGW 2012 Programme

Tuesday 20 November 2012 8.50am Housekeeping 9.00am Keynote 4: Guðmundur Ómar Friðleifsson - IDDP – Approaching the Supercritical

Technical Session 4: Stream A Drilling and Exploration

Technical Session 4: Stream B Resources and Environmental Issues

9.40am 58: Ken Mackenzie - Success of Multiple Leg Well Completions at the San Jacinto Tizate Geothermal Field, Nicaragua

9: Chris Bromley - Geothermal Induced Seismicity – Risks and Rewards

10.00am 62: Phil White - Drilling confirmation of the Casita indicated geothermal resource, Nicaragua

75: Jim McLeod - The Role of Geothermal Peer Review Panels in the Management of the Waikato Geothermal Resource

10.20am Morning Tea

Technical Session 5: Stream A Engineering - Production and Management

Technical Session 5: Stream B TVZ

Technical Session 5: Stream C Resources and Environmental Issues

10.50am

48: Norio Yanagisawa - Scale and corrosion of Kalina power generation system using hot spring water

6: Edward Bertrand - Imaging upper-crustal convection plumes beneath the Taupo Volcanic Zone, New Zealand

33: Katherine Luketina - Low enthalpy geothermal resources – Miranda-Kaiaua, New Zealand

11.10am 13: Mark Jermy - Hydrodynamics and electrochemistry of silica scaling

32: Paul White - Groundwater recharge to geothermal systems in the Taupo Volcanic Zone assessed with water budgets and three-dimensional geological models

92: Ian Boothroyd - Earth Energy Systems: Environmental effects of direct use of geothermal energy resources

11.30am 49: Baran Kaypakoglu - Preventive Methods for Scaling and Corrosion in Geothermal Fields

19: Bryan Drake - Mangatete: Evolution of a paleo-hydrothermal system, Taupo Volcanic Zone (TVZ)

120: Brad Scott - Developing a Guideline to Map, Describe and Catalogue Surface Geothermal Features

11.50am 63: Evan Erstich - Binary Plant Caustic Dosing Test Rig Development

8: Florence Bégué - Volatile transfer from magma sources in the Taupo Volcanic Zone

104: Sam Malafeh - Geothermal royalties: solution to a missing market?

12.10pm Lunch 1.10pm Keynote 5: Brian Carey - Watt? A Geoheat Strategy for NZ

Technical Session 6: Stream A Direct Use

Technical Session 6: Stream B Geophysics

Technical Session 6: Stream C Environmental Issues

1.50pm 111: Ian Johnston - Direct Geothermal Energy 28: Yohannes Lemma Didana - Magnetotellric 52: Sarah Beadel - Ecological Assessment and

NZGW 2012 Programme

Demonstration Projects for Victoria, Australia Surveys at Tendaho Geothermal Field in North Eastern Ethiopia

Sustainable Management of Geothermal Vegetation in the Waikato Region, New Zealand

2.10pm

36: Boaz Habib - Low-Enthalpy Above-Ground Geothermal and Allied Technologies - A Research Agenda

65: Supri Soengkono - Gravity Modelling of Reporoa Basin, Eastern Taupo Volcanic Zone (TVZ), New Zealand

122: Matthew Stott - The 1000 Project: A World-First Microbial Bioinventory of New Zealand's Geothermal Ecosystems

2.30pm 74: Dewi Permatasari - Study of Condensate Pot’s Fluid Utilization for Essential Oil Extraction

93: Ian Boothroyd - Sustaining geothermal ecosystems: Thresholds of change in geothermal ecosystems

2.50pm Afternoon Tea

Technical Session 7: Stream A Geology

Technical Session 7: Stream B Reservoir Modelling

3.20pm

50: Catherine Boseley - Stratigraphy and Hydrothermal Alteration Encountered by Monitor Wells Completed at Ngatamariki and Orakei Korako in 2011

61: Michael O'Sullivan - Future Directions In Geothermal Modeling

Geothermal New Zealand Meeting

3.40pm 11: Ruben Yague Jaen - Infrared imaging in geothermal environments in New Zealand

103: Sadiq Zarrouk - Modelling Production from Supercritical Geothermal Reservoirs

4.00pm 12: Cheng Sim - Ground Penetrating Radar and its successful application in imaging USA and New Zealand siliceous sinters

59: Warwick Kissling - Modelling very deep production and reinjection using a regional scale model of a TVZ-like geothermal field.

4.20pm

35: Jacqueline Dohaney - The Geothermal World Videogame: An authentic, immersive videogame used to teach geologic tools needed for exploration

37: Peter Leary - An Empirical Basis for EGS Flow Stimulation Mechanics

4.40pm

26: Yuris Ramadhan - Geological Evaluation of the Waringin Formation as the host of a Vapor-Dominated Geothermal Reservoir, at the Wayang Windu Geothermal Field

39: Jaime Jemuel Austria - Dual Porosity Models of Near-Well Behaviour of a Discharging Well

5.00pm NZGA Annual General Meeting

7.00pm Workshop Dinner – Viaduct Events Centre

NZGW 2012 Programme

Wednesday 21 November 2012 8.50am Housekeeping 9.00am Keynote 6: Paul Atkinson – Proved Geothermal Reserves - A Framework and Methodology

Technical Session 8: Stream A Geothermal Resources

Technical Session 8: Stream B Engineering - Production and Management

9.40am 94: Manfred Hochstein - Ranking of Indonesian geothermal systems

105: Keith Wigram - Modelling the Surface Plant: A Users Perspective of Using Numbers to Predict Generation

10.00am 116: Aref Lashin - Assessment of geothermal resources at the Al-Lith area, Kingdom of Saudi Arabia

83: Jaime Jose Quinao - Correlation of Reservoir Monitoring and Continuous Production Data to Interpret Unexpected Well Behavior in Rotokawa

10.20am Morning Tea

Technical Session 9: Stream A Resources and Environmental issues

Technical Session 9: Stream B Geology , Structural Geology and Geomechanics

10.50am

Hon. Emma Francoise Isumbingabo (Rwanda’s Minister of State in charge of energy and water) – Geothermal Resources in Rwanda

25: Yuris Ramadhan - Geoscientific Survey Results from the Jailolo Geothermal Field, Northern Halmahera, Indonesia

11.10am 29: Keyan Zheng - Geothermal Resources Development in Tibet, China

40: Justin Pogacnik - Physical/Computational Framework for EGS In Situ Fracture Stimulation

11.30am 78: Aaron Hochwimmer - The Geothermal Opportunity for Scotland

34: Luke Frash - On the Experimental Simulation of EGS Reservoirs Using a Heated True-Triaxial Apparatus

11.50am 27: Rachma Nilamsuri - Development Impact Analysis of Jailolo Geothermal Field, Halmahera Barat, Indonesia.

12.10pm Lunch NZGA Industry Update s 1.10pm Mighty River Power 1.30pm Contact Energy 1.50pm GNS Science 2.10pm The University of Auckland

NZGW 2012 Programme

2.30pm Geothermal New Zealand 2.50pm Afternoon Tea NZGA Industry Update s 3.20pm Eastland Group 3.40pm Waikato Regional Council 4.00pm Bay of Plenty Regional Council 4.20pm PB Power 4.40pm SKM 5.00pm Finish