Journal cover Journal topic
Geothermal Energy Science An open-access journal
Journal topic
Volume 2, issue 1
Geoth. Energ. Sci., 2, 49–54, 2014
https://doi.org/10.5194/gtes-2-49-2014
© Author(s) 2014. This work is distributed under
the Creative Commons Attribution 3.0 License.

Special issue: Estimation and classification of geothermal potential...

Geoth. Energ. Sci., 2, 49–54, 2014
https://doi.org/10.5194/gtes-2-49-2014
© Author(s) 2014. This work is distributed under
the Creative Commons Attribution 3.0 License.

  17 Dec 2014

17 Dec 2014

Stored-heat assessments: a review in the light of field experience

M. A. Grant

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Short summary
Stored-heat assessment methods for geothermal fields are reviewed against observed field performance. For the method originated by the USGS, and used in the Australian Geothermal Reporting Code, the average recovery factor is shown to be 10%, with an error of ±70%. For enhanced geothermal systems (EGS) the recovery factor in experiments to date has been much less, a few percent at best.
Stored-heat assessment methods for geothermal fields are reviewed against observed field...
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