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Nanoparticle-based tracing techniques in geothermal reservoir: Advances, challenges and prospects

Spitzmüller, Laura ORCID iD icon 1; Nitschke, Fabian 1; Berson, Jonathan 2,3; Maercks, Annika 1; Rudolph, Bastian ORCID iD icon 1; Schimmel, Thomas 2,3; Kohl, Thomas 1
1 Institut für Angewandte Geowissenschaften (AGW), Karlsruher Institut für Technologie (KIT)
2 Institut für Angewandte Physik (APH), Karlsruher Institut für Technologie (KIT)
3 Institut für Nanotechnologie (INT), Karlsruher Institut für Technologie (KIT)


Accurate knowledge of reservoir geometry and flow paths are critical parameters for successful geothermal operations. They are essential for evaluating the long-term behavior and sustainability of geothermal reservoirs. Conventional hydraulic testing and tracer tests are often inconclusive or provide limited information due to complex and challenging reservoir conditions (multiple well systems, complex reservoir geometry, and fracture network, etc.). Recently, a new class of tracer techniques has emerged in order to overcome the major drawbacks of molecular tracers: nanoparticle-based tracers. The main advantages of nanoparticle tracers compared to molecular tracers are their tunable properties and modular structure. Functional and smart nanoparticle tracers such as the threshold-triggered temperature nanotracer enabled the simultaneous evaluation of multiple reservoir conditions (flow paths, temperature distribution, etc.) and created an
entirely new field of research. As new areas of research often require detailed insights into fundamental processes, there are still open questions about the interactions between particles, fluids, and rock minerals and their performance in complex geothermal environments. ... mehr

Verlagsausgabe §
DOI: 10.5445/IR/1000156430
Veröffentlicht am 02.03.2023
Cover der Publikation
Zugehörige Institution(en) am KIT Institut für Angewandte Geowissenschaften (AGW)
Institut für Angewandte Physik (APH)
Institut für Nanotechnologie (INT)
Publikationstyp Proceedingsbeitrag
Publikationsjahr 2023
Sprache Englisch
Identifikator KITopen-ID: 1000156430
HGF-Programm 38.04.04 (POF IV, LK 01) Geoenergy
Erschienen in PROCEEDINGS, 48th Workshop on Geothermal Reservoir Engineering
Veranstaltung 48th Stanford Geothermal Workshop (2023), Stanford, CA, USA, 06.02.2023 – 08.02.2023
Bemerkung zur Veröffentlichung in press
Externe Relationen Abstract/Volltext
Schlagwörter functional nanoparticles, nanotracer, stability, dissolution, surface modification, sorption control
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