External Organisations

  • De Nationale Geologiske Undersøgelser for Danmark og Grønland, Denmark
  • BRGM, France
  • Vilnius University, Faculty of Natural Sciences, , Lithuania
  • Eidgenössische Technische Hochschule Zürich, Switzerland
  • DONG VE A/S, represented by:,
  • Sønderborg Fjernvarme A.m.b.a.
  • Københavns Energi A/S, Denmark
  • CTR I/S, Denmark
  • VEKS, Denmark

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In this project, we will develop new technology to improve planning of energy storage in geothermal reservoirs through high-quality experiments and modelling. Geothermal reservoirs have high temperature, so energy may be stored in these geological layers with minimal heat loss. The technology will be based on a multidisciplinary approach combining small scale geochemistry/rock physics with large scale seismic inversion and history matching of production data. The focus will be on Danish geothermal reservoirs, because heat storage is likely to be the missing link in planning sustainable energy production in Denmark, where several sources of energy should interplay. Energy sources as waste incineration and wind are not controlled by immediate energy demands. By storing energy at low heat loss in hot aquifers, we obtain an effective interplay between different sources of energy. Thereby, the degree of coverage with sustainable energy can increase at an acceptable cost. It is the right time to do this, because geothermal plants are presently being installed in Denmark. Thus, the cost of establishing heat storage in geothermal reservoirs is relatively small. The imminent question with respect to establishing heat storage in geothermal reservoirs is how the reservoirs will react to the introduction of water with a higher temperature than the natural as compared to effects of injecting cold water: How will the reservoir rock react chemically and mechanically, how will the heat and fluid distribute in the reservoir, what is the energy loss related to this storage method, and how will a potential change in water chemistry influence the operation abilities of the geothermal plant? We will evaluate the technology in an international context by collaborating with researchers working with geothermal reservoirs in other European countries.
StatusCurrent
Period01/03/1128/02/15
Financing sourceForskningsrådene - Andre
Research programmeForskningsrådene - Andre
Amount5,658,000.00 Danish kroner
Project ID11/00125
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