Potsdam Course Presentations

Day 1: April 15, 2013

9.00 – 9.20 Welcome and introduction

P. Dumas, European Geothermal Energy Council (EGEC)

D. Bruhn, German Research Centre for Geosciences (GFZ), Germany

9.20 – 9.45 Short round of introduction

Session I: Market aspects

C. Karytsas, D. Mendrinos, Centre for Renewable Energy Sources and Saving (CRES), Greece

9.45 – 10.30 International geothermal market overview 

Case studies:

Low-Bin results

The Soultz project, the first EGS plant, Simbach-Braunau, a low temperature plant

Session II: Legal, environmental and financial aspects

H.Asum,R.Kutschick , Lawyer´s Office Gaßner, Groth, Siederer & Coll. (GGSC), Germany

F. Jaudin, Bureau de Recherches Géologiques et Minières (BRGM), France

11.00 – 11.45 Risk insurance for geothermal projects 

11.45 – 12.30 Regulatory barriers 

14.00 – 17.30 Financing / Costs of geothermal power projects

Day 2: April 16, 2013, 9.00 – 18.00

Session III: Geothermal Exploration

A. Manzella, National Research Council (CNR), Italy; J.-D. van Wees, Organization for Applied Scientific Research (TNO), Netherlands; P. Durst, Bureau de Recherches Géologiques et Minières, (BRGM), France

9.00 – 9.30 Overview: What is geothermal energy: origin and relation with earth dynamics

11.15 – 12.15     –Resource assessment:( Manzella) targets and tools:  Geological and hydrogeological assessment,  Remote sensing, Stress field analysis for EGS

– Site screening

-Best practice to localize a geothermal site  Case study: The Soultz project

Session IV: EGS Technology

J.-D. van Wees, Organization for Applied Scientific Research, (TNO), Netherlands; G. Zimmermann, German Research Centre for Geosciences, (GFZ), Germany; P. Durst, Bureau de Recherches Géologiques et Minières (BRGM), France

14.30 – 15.30 Basic concepts:

Rock mechanics and tectonics

Hydraulic stimulation: objectives, physical principles and best practices from oil and gas 

Induced seismicity

Enhancing flow rates

16.00 – 18.00 Case studies: The Groß Schönebeck project

Day 3: April 17, 2013

10.00 – 11.00 Geothermal research site Gross Schoenebeck

Session V: Drilling

W. Brandt, Geothermie Consulting – Engineering – Supervision, Germany

12.00 – 14.00 Types of geothermal wells and appropriate casing schemes

Basic requirements: flow rate and temperature and its implications on wellbore schemes

Case studies: The Soultz project, The Groß Schönebeck project, Bavarian basin; research: Monobores

15.00 – 17.00 Drilling and completion of geothermal wells:  Drilling technology,  Test and stimulation techniques, pumps Costs

Day 4: April 18, 2013

Session VI: Flash steam and binary technology

E. Hallgrímsdóttir, Mannvit Reykjavik, Iceland; P. Bombarda, Politecnico di Milano, Italy

Thermodynamic modeling for process flow.

Design process of geothermal steam gathering system.

Different design considerations compared to conventional steam plants

Operation and maintenance

9.00 – 10.30 Process flow and steam gathering system

Presentations reviewing different cycles and design process

Demonstration of thermodynamic models for different working cycles

Calculated example showing methods used within geothermal steam gathering system design

Case study: The Soultz project

11.00 – 12.30 Mechanical equipment and operation and maintenance

Presentations presenting features of mechanical equipment used in geothermal power plants and their operation and maintenance ; Calculated example showing methods used for basic engineering within mechanical equipment design in geothermal energy ; Photographs of extreme conditions shown and discussed with solutions

12.30 – 13.00 The environmental issues report: Overview of possible environmental impact,  Environmental management procedures

Session VII: Plant operation, energy supply and grid integration

14.00 – 15.30 Fundamentals of energy economics:  regulation and energy trade,  electricity grid,  demand for geothermal power

16.00 – 17.30 Grid integration of geothermal power: approach for the grid integration of an increasing share of renewable power generation,  process of grid integration, costs of grid integration, Case study: The Soultz project