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Amides as thermo-sensitive tracers for investigating the thermal state of geothermal reservoirs
- The application of thermo-sensitive tracers is a promising technique for evaluating the thermal state of geothermal reservoirs. To extend the compound spectrum for hydrolyzable compounds to reservoir temperatures between 100 and 200 degrees C carboxamides were studied. The kinetic parameters of 17 self-synthesized amides were determined in hydrothermal batch and autoclave experiments. The influence of the molecular structure and the role of pH/pOH on hydrolysis kinetics were studied. Additionally, the thermal stabilities of the hydrolysis products were evaluated. The results demonstrate the high potential of tracers based on amide hydrolysis for use in medium enthalpy reservoirs. (C) 2016 Elsevier Ltd. All rights reserved.
Author details: | Mario Schaffer, Krzysztof R. Idzik, Max WilkeORCiDGND, Tobias Licha |
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DOI: | https://doi.org/10.1016/j.geothermics.2016.05.004 |
ISSN: | 0375-6505 |
ISSN: | 1879-3576 |
Title of parent work (English): | Geothermics : an international journal of geothermal research and its applications |
Publisher: | Elsevier |
Place of publishing: | Oxford |
Publication type: | Article |
Language: | English |
Year of first publication: | 2016 |
Publication year: | 2016 |
Release date: | 2020/03/22 |
Tag: | Amides; Hydrolysis; Kinetics; Molecular design; Reservoir temperature; Thermo-sensitive tracers |
Volume: | 64 |
Number of pages: | 7 |
First page: | 180 |
Last Page: | 186 |
Funding institution: | German Ministry for Environment (BMU), within the project REAKTHERM [0325417]; German Research Foundation (DFG), within the GEOCAT project [LI 1314/3-1, 1314/3-2] |
Organizational units: | Mathematisch-Naturwissenschaftliche Fakultät / Institut für Geowissenschaften |
Peer review: | Referiert |
Institution name at the time of the publication: | Mathematisch-Naturwissenschaftliche Fakultät / Institut für Erd- und Umweltwissenschaften |