Numerical Multi-physics Analysis of Fracture Reactivation in Geothermal Reservoirs from Microscale to Macroscale Modeling

Research output: ThesisDissertation (TU Delft)

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Abstract

The doctoral research has been carried out in the context of an agreement on joint doctoral supervision between RWTH Aachen University, Germany and Delft University of Technology, the Netherlands.

Geothermal energy stands as a promising avenue for low-carbon energy production. Traditional methods involve extracting hot water into one well and the injection of cold water in another, with hydrothermal systems relying on fluid flow through either pores or natural fractures in rock. Enhanced Geothermal Systems (EGS) are deployed in fractured/faulted rock settings where fluid flow is insufficient, necessitating enhanced permeability of fractures for improved heat transfer. Challenges persist in ensuring productivity, sustainability, and safety, with fault and fracture reactivation presenting significant concerns....
Original languageEnglish
QualificationDoctor of Philosophy
Awarding Institution
  • Delft University of Technology
  • RWTH Aachen University
Supervisors/Advisors
  • Amann, Florian, Promotor, External person
  • Vardon, P.J., Promotor
Award date5 Mar 2025
DOIs
Publication statusPublished - 2025

Keywords

  • Thermo-hydro-mechanics modeling
  • Numerical modeling
  • Coupled processes
  • Fault reactivation

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