Course objectives: Students will learn about principles of design and use of enhanced geothermal systems, abandoned well revitalization and deep borehole heat exchangers.

Course content: 

• Introduction to the course, course overview, student’s responsibilities and monitoring student work;
• Deep well revitalization, deep borehole heat exchanger system, hydrocarbon and geothermal fluid coproduction, workover needed in revitalization process, case studies of revitalized deep wells;
• Analytical modelling of heat transfer in the case of revitalized deep wells;
• Numerical modelling of heat transfer in the case of revitalized deep wells;
• Determining available thermal energy of the deep borehole heat exchanger;
• Technoeconimical analysis of using deep borehole heat exchanger systems and environmental influence;
• Types of enhanced geothermal systems - HDR (hot dry rock), EHS (enhanced hydrothermal systems), HSA (hot sedimentary aquifer), hydraulic fracturing in the case of enhanced;
• Geothermal systems, fluid flow through fractures, heat transfer;
• Modelling of enhanced geothermal systems;
• Case studies of enhanced geothermal systems - Soultz-sous-Forêts & Groß Schönebeck;
• Technoeconimical analysis of enhanced geothermal systems and environmental influence;
• Overview of regulations and directions of managing enhanced geothermal systems & revitalized wells.

Learning outcomes at the level of the course: 

• Elaborate types of enhanced geothermal systems;
• Elaborate the revitalization process via deep borehole heat exchangers;
• Solve heat transfer equations;
• Evaluate available thermal energy when using deep borehole heat exchanger;
• Elaborate fluid flow through fractures and heat transfer in enhanced geothermal systems;
• Analyse environmental effects of using enhanced geothermal systems and deep borehole heat exchangers.