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Abstract

Summary

The UK Geoenergy Observatory in Glasgow facilitates collaborative research to improve understanding of subsurface processes, environmental and induced change related to mine water energy. It provides scientific and engineering infrastructure for investigating the shallow, low-enthalpy geothermal energy and thermal storage resources available in abandoned and flooded coal mine workings.

Borehole monitoring capability includes hybrid fibre-optic distributed temperature sensing for passive monitoring or for performing heat pulse tests in active mode, as well as arrays of permanently installed ERT downhole electrodes to measure subsurface electrical resistivity, enabling both in-hole and cross-hole tomography for tracking subsurface changes in 4D. Together with pressure data from downhole data loggers and monitoring of flow and heat pump/chiller operation, this provides an at-scale field laboratory for evaluating the engineering and energy performance of the components of mine water geothermal systems.

An initial hydrogeological and hydrochemical conceptual model has been developed using borehole, pump test and baseline monitoring data. Integrated analysis of hydrogeological, geoelectrical, thermal and geochemical data provides a much more comprehensive understanding of geothermal processes in low-temperature mine water systems. Insights gained from research undertaken during commissioning will enable science users to tailor and optimise their proposals for research and innovation at the Glasgow Observatory.

© EAGE Publications BV
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2023-09-03
2025-11-14

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References

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/content/papers/10.3997/2214-4609.202320183
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Mine Water Geothermal Research Facilities at the UK Geoenergy Observatory in Glasgow, UK
Conference Proceedings 2023, 1 (2023); https://doi.org/10.3997/2214-4609.202320183
/content/papers/10.3997/2214-4609.202320183
/content/papers/10.3997/2214-4609.202320183
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