Advances in European Geothermal Research: Proceedings of the Second International Seminar on the Results of EC Geothermal Energy Research, held in Strasbourg, 4–6 March 1980

Front Matter....Pages i-xvi
Front Matter....Pages 1-1
Opening Address....Pages 3-5
Opening Address....Pages 7-8
Geothermal Research in the European Community Objectives and Reality....Pages 9-36
Keynote Speech....Pages 37-42
Front Matter....Pages 43-43
Geothermal Synthesis of the Upper Rhine-Graben....Pages 45-49
Neotectonics and the Geothermal Anomalies in the Rhinegraben....Pages 50-61
Determination of Thermal Conductivity and Diffusivity of Rhinegraben-Sediments with a New Ring Source Device....Pages 62-69
Numerical Calculations of Strong Temperature Gradients at Interfaces of Horizontally Stratified Sediments....Pages 70-76
Geothermal Anomalies in the Rhinegraben Sediments and Their Explanation by Uprising Deep Groundwater from the Crystalline Basement....Pages 77-88
Contribution of Magnetism and Gravimetry to the Knowledge of the Antepermian Basement in the Rhinegraben. Applications to Geothermy.....Pages 89-98
Preliminary Assessment of the Geothermal Potential of the United Kingdom....Pages 99-108
Geothermal Potential of Late Quaternary East Eifel Volcanic Field....Pages 109-112
Geothermics in Hainaut (Belgium)....Pages 113-115
Geothermal Evaluation of the Triassic Reservoirs of the Paris Basin....Pages 116-120
The Evaluation of a Preliminary Geothermal Model for the Phlegraean Fields Volcanic Area (Italy)....Pages 121-140
Integrated Geothermal Reconnaissance of the Somma-Vesuvius System....Pages 141-153
Prospection Geothermique Integree Dans Le Massif Du Mont Dore....Pages 154-201
Geothermal Survey of the South-East Margin of the French Massif-Central....Pages 202-212
Geothermal Exploitation in Greece....Pages 213-237
A Geological and Geothermal Approach of the Pavin Area, Southern Chaine Des Puys (France)....Pages 238-249
Front Matter....Pages 251-251
Deep Investigation of the Geothermal Anomaly of Urach....Pages 253-266
Latera Exploratory Well (Northern Latium) Italy....Pages 267-276
Operation Geothermie a Strasbourg-Cronenbourg....Pages 277-283
Demonstration Project Couple of Wells for Geothermal Space Heating in Metanopoli, Milano....Pages 284-290
Demonstration Project: Evaluation of The Mofete High Enthalpy Reservoir (Phlegrean Fields)....Pages 291-302
Deep Exploration in Larderello Field: Sasso 22 Drilling Venture....Pages 303-311
Front Matter....Pages 313-313
Hydrogeology and Geochemistry of the Thermal Springs of South-West Tuscany....Pages 315-329
Origin and Circulation of Thermal Waters in the Upper Rhine Graben: A Chemical and Stable Isotope Study....Pages 330-339
Refinements in the use of Chemical Geothermometers Application to the Plombieres System (France)....Pages 340-348
Geochemical Survey of Shallow Ground Water Wells in Denmark....Pages 349-359
Geochemistry of Thermal Water in the Mont-Dore Area....Pages 360-368
Evaluation of Reservoir Temperatures in Tuscany by Application of a Gas- Geothermometer....Pages 369-377
Fluid-Rock Interaction in Geothermal Energy Recovery....Pages 378-386
Geothermal Applications of the Geochemical Study of Hot Springs in Eastern Pyrenees....Pages 387-395
Trace Element Geochemistry in Thermal Waters from Plombieres and Bains (Vosges)....Pages 396-409
Geochemical Sampling and Analysis of Geothermal Fluids in Sedimentary Basins....Pages 410-421
Investigation of Thermal and Mineral Springs in the Eifel Mountains Regarding Geothermal Indications....Pages 422-427
Some Remarks on the Application of Geochemical Techniques in geothermal exploration....Pages 428-443
Front Matter....Pages 445-445
Heat Flow Pattern of the United Kingdom....Pages 447-455
Exploration and Interpretation of the SW England Geothermal Anomaly....Pages 456-465
Front Matter....Pages 445-445
Terrestrial Heat Flow in France....Pages 466-473
A Critical Study of Heat Flow Data in France....Pages 474-484
Geothermal Trends of Denmark....Pages 485-495
The Shallow Subsurface Temperature Field in the Netherlands....Pages 496-505
Temperature and Heat Flow Patterns of Italy....Pages 506-515
Harmonic Pick-Up: Preliminary Mathematical Model for Interpretation....Pages 516-520
The Perfecting of a Harmonic Pick-up for the Simultaneous Detection of the Thickness and Extent of a Fracture Crossed by a Boring....Pages 521-524
In Situ Determination of Thermal Conductivity in Cased Drill Holes....Pages 525-534
Design and Testing of Down Hole Probes for Operation in Deep and Hot Environments....Pages 535-544
Direct Heat Flow Measurement Probe Project....Pages 545-555
An In-Situ Thermal Conductivity Probe....Pages 556-564
Front Matter....Pages 565-565
Seismological Investigations in Urach....Pages 567-575
Structural Study of the Urach Area by Deep Refraction Seismics....Pages 576-586
Combined Reflection and Refraction Measurements for Investigating the Geothermal Anomaly of Urach....Pages 587-602
Seismic Studies for the Determination of the Crustal Structure in the Area of the Geothermal Anomaly in Tuscany....Pages 603-613
V P /V S Ratio and its Changes in the Travale Geothermal Field....Pages 614-621
Identification of 3 D Bodies by Moho Reflected Waves Application to the Mont Dore Area....Pages 622-631
Etudes Sismiques Sur La Caldera Du Mont Dore....Pages 632-647
Investigation of the Microseismic Noise of the Geothermal Anomaly at Torre Alfina (Italy).....Pages 648-653
How can Seismics, Especially Active, Assist in Geothermal Energy Utilization....Pages 654-670
Front Matter....Pages 671-671
Actual Situation and Future Program of Geothermal Developments in Mexico....Pages 673-679
Heat and Mass Transfer with Phase Conversion in Porous Media Application to Geothermal Reservoir Simulation....Pages 680-693
A Thermogravimetric Loop for Converting Low Enthalpy Geothermal Energy into Electricity....Pages 694-705
Lifetime Optimization of Low Enthalpy Geothermal Doublets....Pages 706-719
Influence of Stratified Heterogenities of Permeability on the Life Span of a Geothermal Doublet....Pages 720-734
Experimental Studies of Rock-Water Interactions Occuring During the Circulation of a Geothermal Doublet in a Carbonate Environment....Pages 735-746
In Situ Determination of the Hydrothermal Properties of a Deep Fractured Medium by a Single Well Technique....Pages 747-755
Well Testing of Low to Very Low Permeability Fractured Media — a Review....Pages 756-781
Results of the New Geothermal Domestic Heating System at Creil....Pages 782-792
Optimisation D’un Chauffage Geothermique En Fonction Des Diverses Conditions Climatiques.....Pages 793-802
Study and Optimization of a High Efficiency Convector Adapted for the use of Geothermal Low Temperature Water....Pages 803-809
Technical and Economic Feasibility of Low Enthalpy Geothermal Projects in The E.E.C.....Pages 810-819
Front Matter....Pages 821-821
Application of D.C. Dipolar Methods in the Upper Rhine Graben....Pages 823-832
Dipole-Dipole Study of the Travale Geothermal Field....Pages 833-842
Distribution of Electrical Conductivity in Crust and Upper Mantle in the Area of the Geothermal Anomaly of Tuscany/Italy....Pages 843-853
Three-Dimensional Resistivity Modelling by the Integral Equation Method....Pages 854-874
Magnetic Survey in the Travale Geothermal Field, Italy....Pages 875-883
Use of the Differential Magnetic Sounding for Studying the Geothermal Potential Resources of the Rhinegraben....Pages 884-892
Magnetovariational and Magnetotelluric Soundings in Rheingraben and Schwarzwald....Pages 893-903
Magnetotelluric Survey of the Lake Laach (Eifel) Volcanic Area....Pages 904-910
Front Matter....Pages 821-821
Magnetotelluric Measurements and Geomagnetic Depth Sounding in the Area of the Urach Geothermal Anomaly....Pages 911-920
Some Results of Very Low Frequency Magneto-Telluric Survey in the Mont Dore Area (Mt 5 Ex and Harmonic Solutions)....Pages 921-934
Magnetotelluric Prospection of the Mont Dore Area....Pages 935-943
Front Matter....Pages 945-945
Hydraulic Fracturing of Hot Dry Rocks. Tridimensional Studies of Cracks Propagation and Interaction by Photoelastic Methods....Pages 947-956
Scale Models Studies of Well Linking by Hydraulic Fracturing and Fatigue Microfracturing....Pages 957-966
Microsismic and Acoustic Activity Associated with Hydraulic Fracture Propagation....Pages 967-976
Permeability Stimulation of Crystalline Rocks by Chemical Leaching....Pages 977-988
Heat Fracturing Physical Model....Pages 989-993
Erfahrungen Mit Fracbehandlungen in Tiefen, Geringpermeablen Gaslagerstâtten....Pages 994-1008
The Enhancement of the Permeability of Granite by Explosive and Hydraulic Fracturing....Pages 1009-1031
Analysis of Hydraulic Fracture Propagation a Field Experimentation....Pages 1032-1043
Investigations on an Artificially Created Frac in a Shallow and Low Permeable Environment....Pages 1044-1053
Back Matter....Pages 1055-1086