On the connectivity anisotropy in fluvial Hot Sedimentary Aquifers and its influence on geothermal doublet performance

Cees Willems, Hamid Maghami Nick, Rick Donselaar, Gert Jan Weltje, David Bruhn

Research output: Contribution to journalArticleScientificpeer-review

25 Citations (Scopus)

Abstract

This study finds that the geothermal doublet layout with respect to the paleo flow direction in fluvial sedimentary reservoirs could significantly affect pump energy losses. These losses can be reduced by up to 10% if a doublet well pair is oriented parallel to the paleo flow trend compared to perpendicular. The chance that flow paths are formed perpendicular to this trend strongly depends on the net sandstone volume in the reservoir. Detailed fluvial facies architecture realisations which are used in this study, are generated with a process-based approach utilizing geological data from the Lower Cretaceous Nieuwerkerk Formation in the West Netherlands Basin. Finally, this study emphasizes the importance of detailed facies architecture modelling for the assessment of both risks and production strategies in Hot Sedimentary Aquifers.
Original languageEnglish
Pages (from-to)222-233
JournalGeothermics
Volume65
DOIs
Publication statusPublished - 2017

Keywords

  • Direct-use
  • Low enthalpy geothermal
  • West Netherlands basin
  • Process-based facies modeling
  • Fluvial sandstone
  • Reservoir modelling

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