Development of a new borehole probe for thermal conductivity scanning

David Sauer, Steffen Wagner, Moh'd Amro, Yuri Popov, Frederick Rose, Andreas Schramm, Erik Börner, Toni Wünsch, Héctor Redondo-Robles, Gerold Hesse, Johannes Pfeiffer

    Research output: Contribution to journalArticlepeer-review

    3 Citations (Scopus)

    Abstract

    Knowledge about the thermal conductivity of rock is essential for accurate design of geothermal plants. Thermal conductivity can be measured in situ, with low precision and coarse spatial resolution, or in a laboratory, where samples are subject to altered conditions and represent only limited sections of the borehole. We have developed and evaluated a new technology involving fast, high-resolution, and high-precision scanning of in-situ thermal conductivity within boreholes. The prototype demonstrated the feasibility of the technology for shallow geothermic wells, with an accuracy of 10%.

    Original languageEnglish
    Pages (from-to)95-101
    Number of pages7
    JournalGeothermics
    Volume67
    DOIs
    Publication statusPublished - 1 May 2017

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