NMR relaxometry – a new reliable and non-destructive method to estimate the fluid content of rock salt

Abstract µ m) located within crystals or arranged along crystal boundaries and fissures, and they can consist of brine, minor amounts of gases and hydrocarbons. When estimating the fluid content of rock salt, the main challenges are (i) the low fluid content (< 1 wt %), (ii) the low permeability of the bulk rock preventing fluid extraction and (iii) the spatial heterogeneous fluid distribution. In summary, the measurements are time intensive, and the results are highly dependent on the sample selection and preparation. µ m) of the salt samples in dried acetone and the subsequent analysis of the extracted fluids using infrared spectroscopy (Mertineit et al., 2022). The first results show that NMR has promising features including (i) a low limit of detection (∼ 0.01  wt %), (ii) non-destructive and (iii) quick (5–10 min) measurements, (iv) no need for extensive sample preparation, and (v) the provision of an average fluid content over a large sample volume (100–900 mL).

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• Location: Deutsche Nationalbibliothek Frankfurt am Main
• Extent: Online-Ressource
• Language: Englisch

References and Relationships

• Bibliographic citation: NMR relaxometry – a new reliable and non-destructive method to estimate the fluid content of rock salt ; volume:2 ; year:2023 ; pages:51-51 ; extent:1 ; Safety of nuclear waste disposal ; 2 (2023), 51-51 (gesamt 1)

Contributors, Places and Time

• Creator: Dlugosch, Raphael ; Mertineit, Michael ; Schramm, Michael ; Hein, Melanie ; Kaufhold, Stephan ; Richter, Lisa

Further information

• DOI: 10.5194/sand-2-51-2023
• URN: urn:nbn:de:101:1-2023090704171224859787
• Rights: Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.