Novel Productivity Enhancement Concept for a Sustainable Utilization of a Geothermal Resource – The H2020 SURE Project

Thomas Reinsch*, Guido Blöcher, David Bruhn, Jörg Zotzmann, Volker Wittig, Ingólfur Örn Þorbjörnsson, Gunnar Skúlason Kaldal, Koos Hoogland, Elisabeth Peters, John-Paul Latham, Sigitas Petrauskas, Saulius Sliaupa, Hamidreza M. Nick

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

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Abstract

Within the EC funded Horizon 2020 project SURE (Novel Productivity Enhancement Concept for a Sustainable Utilization of a Geothermal Resource) the radial jet drilling (RJD) technology is investigated and tested as a method to increase performance of insufficiently performing geothermal wells. Radial jet drilling uses the power of a focused jet of fluids, applied to a rock through a coil inserted in an existing well. This technology is likely to provide much better control of the enhanced flow paths around a geothermal well and does not involve the amount of fluid as conventional hydraulic fracturing, thereby reducing the risk of induced seismicity considerably. RJD shall be applied to access and connect high permeable zones within geothermal reservoirs to the main well with a higher degree of control compared to conventional stimulation technologies. We investigated the technology over various spatial and temporal scales ranging from short term laboratory experiments to field scale applications. Here we give an overview about our work.
Original languageEnglish
Title of host publicationProceedings World Geothermal Congress 2020
Number of pages6
Publication date2020
Publication statusPublished - 2020
EventWorld Geothermal Congress 2020 - Reykjavik, Iceland
Duration: 26 Apr 20202 May 2020

Conference

ConferenceWorld Geothermal Congress 2020
Country/TerritoryIceland
CityReykjavik
Period26/04/202002/05/2020

Keywords

  • Radial Water Jet Drilling
  • Reservoir Stimulation
  • Drilling

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