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Book Cover
E-book
Author Stober, Ingrid.

Title Geothermal energy : from theoretical models to exploration and development / by Ingrid Stober, Kurt Bucher
Published Berlin, Heidelberg : Springer, [2013]
©2013
Table of Contents
1.Thermal Structure of the Earth1
1.1.Renewable Energies, Global Aspects2
1.2.Internal Structure of the Earth2
1.3.Energy Budget of the Planet7
1.4.Heat Transport and Thermal Parameters8
1.5.Brief Outline of Methods for Measuring Thermal Parameters13
2.History of Geothermal Energy Use15
2.1.Early Utilization of Geothermal Energy16
2.2.History of Utilization of Geothermal Energy in the Last 150 years21
3.Geothermal Energy Resources25
3.1.Energy26
3.2.Significance of "Renewable" Energies28
3.3.Status of Geothermal Energy Utilization29
3.4.Geothermal Energy Sources31
4.Applications of Geothermal Energy35
4.1.Near Surface Geothermal Systems37
4.2.Deep Geothermal Systems42
4.3.Efficiency of Geothermal Systems53
4.4.Major Geothermal Fields, High Enthalpy Fields55
5.Potential Perspectives of Geothermal Energy Utilization61
6.Geothermal Probes65
6.1.Planning Principles66
6.2.Construction of Ground Source Heat Exchangers66
6.3.Dimensioning and Design of Geothermal Probes72
6.3.1.Heat Pumps73
6.3.2.Thermal Parameters and Computer Programs for the System Design of Ground Source Heat Pump Systems77
6.4.Drilling Methods for Borehole Heat Exchangers84
6.4.1.Rotary Drilling87
6.4.2.Down-the-Hole Hammer Methods89
6.4.3.Concluding Remarks, Technical Drilling Risks90
6.5.Backfill and Grouting of Geothermal Probes94
6.6.Construction of Deep Geothermal Probes98
6.7.Operating Geothermal Probes: Potential Risks, Malfunctions and Damages99
6.8.Special Systems and Further Developments101
6.8.1.Geothermal Probe Fields102
6.8.2.Cooling with Geothermal Probes103
6.8.3.Combined Solar Thermal: Geothermal Systems104
6.8.4.Geothermal Probe: Performance and Quality Control105
6.8.5.Geothermal Probes Operating with Phase Changes110
7.Geothermal Well Systems115
7.1.Building Geothermal Well Systems116
7.2.Chemical Aspects of Two-Well Systems119
7.3.Thermal Range of Influence, Numerical Models120
8.Hydrothermal Systems, Geothermal Doublets125
8.1.Geologic and Tectonic Structure of the Underground126
8.2.Thermal and Hydraulic Properties of the Target Aquifer129
8.3.Hydraulic and Thermal Range of Hydrothermal Doublets137
8.4.Hydrochemistry of Hot Waters from Great Depth141
8.5.Reservoir-Improving Measures, Efficiency-Boosting Measures, Stimulation144
8.6.Productivity Risk, Exploration Risk, Economic Efficiency146
8.6.1.Exploration Risks148
8.7.Some Site Examples of Hydrothermal Systems153
8.7.1.High-Enthalpy Hydrothermal Systems153
8.7.2.Low-Enthalpy Hydrothermal Systems153
8.8.Project Planning of Hydrothermal Power Systems160
8.8.1.Phase 1: Preliminary Study161
8.8.2.Phase 2: Feasibility Study162
8.8.3.Phase 3: Exploration162
8.8.4.Phase 4: Development162
9.Enhanced-Geothermal-Systems, Hot-Dry-Rock Systems, Deep-Heat-Mining165
9.1.Techniques, Procedures, Strategies, Aims167
9.2.Historical Development of the Hydraulic Fracturing Technology, Early HDR Sites169
9.3.Stimulation Procedures170
9.4.Experience and Dealing with Micro-Seismicity176
9.5.Recommendations, Notes177
10.Environmental Issues Related to Deep Geothermal Systems183
10.1.Seismicity Related to EGS Projects185
10.1.1.Induced Earthquakes187
10.1.2.Quantifying Seismic Events189
10.1.3.The Basel Incident190
10.1.4.Observed Seismicity at Other EGS Projects193
10.1.5.Conclusions and Recommendations Regarding Seismicity Control in Hydrothermal and Petrothermal (EGS) Projects196
10.2.Interaction Between Geothermal System Operation and the Subsurface198
10.3.Environmental Issues Related to Surface Installations and Operation200
11.Drilling Techniques for Deep Wellbores203
12.Geophysical Methods, Exploration and Analysis221
12.1.Geophysical Pre-drilling Exploration, Seismic Investigations222
12.2.Geophysical Well Logging and Data Interpretation227
13.Testing the Hydraulic Properties of the Drilled Formations233
13.1.Principles of Hydraulic Testing234
13.2.Types of Tests, Planning and Implementation, Evaluation Procedures243
13.3.Tracer Experiments249
13.4.Temperature Evaluation Methods252
14.The Chemical Composition of Deep Geothermal Waters and Its Consequences for Planning and Operating a Geothermal Power Plant255
14.1.Sampling and Laboratory Analyses256
14.2.Deep Geothermal Waters, Data and Interpretation258
14.3.Mineral Scales and Materials Corrosion271
 References279

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Description 1 online resource (290 pages) : illustrations
Contents Thermal Structure of the Earth -- History of Geothermal Energy Use -- Geothermal Energy Resources -- Applications of Geothermal Energy -- Potential Perspectives of Geothermal Energy Utilization -- Geothermal Probes -- Geothermal Well Systems -- Hydrothermal Systems, Geothermal Doublets -- Enhanced-Geothermal-Systems, Hot-Dry-Rock Systems, Deep-Heat-Mining -- Environmental Issues Related to Deep Geothermal Systems -- Drilling Techniques for Deep Wellbores -- Geophysical Methods, Exploration and Analysis -- Testing the Hydraulic Properties of the Drilled Formations -- The Chemical Composition of Deep Geothermal Waters and Its Consequences for Planning and Operating a Geothermal Power Plant
Summary This book presents a combination of theory and applied cases on the geological context and geophysical and geochemical aspects of geothermal exploration
Bibliography Includes bibliographical references
Notes Online resource; title from PDF title page (ebrary, viewed January 6, 2014)
Subject Electrical engineering.
Renewable energy sources.
electrical engineering.
BUSINESS & ECONOMICS -- Real Estate -- General.
Electrical engineering
Renewable energy sources
Form Electronic book
Author Bucher, Kurt, 1946-
ISBN 9783642133527
3642133525
3642133517
9783642133510