A Rock Physics Feasibility Study of the Geothermal Gassum Reservoir, Copenhagen Area, Denmark

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  • Kenneth Bredesen
  • ,
  • Esben Borch Dalgaard, Qeye Lab Aps
  • ,
  • Anders Mathiesen, GEUS, Geological Survey of Denmark and Greenland, Geol Survey Denmark & Greenland GEUS
  • ,
  • Niels Balling
The subsurface of Denmark stores significant amounts of renewable geothermal energy which may contribute to domestic heating for centuries. However, establishing a successful geothermal plant with robust production capacity require reservoirs with sufficient high porosity and permeability. Modern quantitative seismic interpretation is a good approach to de-risk prospects and gain reservoir insight, but is so far not widely used for geothermal applications. In this study we perform a rock physics feasibility study as a pre-step towards quantitative seismic interpretation of geothermal reservoirs, primarily in areas around Copenhagen. The results argue that it may be possible to use AVO and seismic inversion data to distinguish geothermal sandstone reservoirs from surrounding shales and to estimate porosity and permeability. Moreover, this study may represent new possibilities for future rock physics analysis serving as a tool in exploration and characterization of green geothermal reservoirs.
Original languageEnglish
Publication year15 Jun 2018
DOIs
Publication statusPublished - 15 Jun 2018
Event80th EAGE Conference and Exhibition - Copenhagen, Denmark
Duration: 11 Jun 201815 Jun 2018

Conference

Conference80th EAGE Conference and Exhibition
CountryDenmark
CityCopenhagen
Period11/06/201815/06/2018

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