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D1 Halldór Pálsson
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Transcript of D1 Halldór Pálsson
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Operation Research in Geothermal Reservoir Engineering
Ágúst Valfells, Egill Júlíusson, Halldór Pálsson, Hlynur Stefánsson, María Sigríður Guðjónsdóttir
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Scope of the topicOptimal operation of geothermal energy utilization:• How does a geothermal system react to utilization?• Are simple models sufficient to describe the dynamics of
geothermal systems?• What are the main criteria when optimizing the
utilization operation?
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Simple reservoir tank models
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Extended tank models
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Complex models in three dimensions
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A favorite case study
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Data for model training and validation
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Operational optimization
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Thesis contributions2008: Lárus Þorvaldsson, Optimal decision making of geothermal utilization
for district heating under uncertainty, University of Iceland, MSc.2011: Björn Sveinbjörnsson, A lumped parameter modelling method for high-
temperature geothermal reservoirs, RES School for Renewable Energy Science, MSc.
2013: Silja Rán Sigurðardóttir, Optimization for sustainable utilization of low temperature geothermal systems, Reykjavík University, PhD.
2014: Sven Scholtysik, The Role of Uncertainty for Lumped Parameter Modeling and Optimization of Low Temperature Geothermal Resources, Reykjavík University, MSc.
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Thesis contributions, cont.2015: Ximena Guardia Muguruza, Numerical modeling of the Hágöngur
Geothermal Reservoir in Central Iceland, Reykjavík University, MSc.2016: Basil Alexander Ira Jefferies, Optimal Well Placement in the
Theistareykir Geothermal Field for the Next Well in Succession, Reykjavík University, MSc.
2016: Guðlaugur Árnason: Notkun og samanburður tölulegra líkana til ákvörðunar niðurdráttar á lághitasvæðum, University of Iceland, MSc.
2016: Yuxi Li, Complexity Analysis of Lumped Parameter models: Development of Complexity Reduction Algorithm, Reykjavík University, MSc.
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Future work in progress• Cari Covell: Machine Learning and Data Fusion for
Geothermal Reservoir Characterization• D Keith Smithson: Stochastic Method for Determining
Data Reliability of Geophysical Measurements• Dagur Helgason: Optimizing the Well Placement
Process Through the Use of Algorithms
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Acknowledgements
For financial support of selected projects and supply of data:• Reykjavík Energy• Landsvirkjun
Thank you!