GEOTHERMAL
Geothermal resources exist everywhere. At or near the surface they can be harnessed using trenches or shallow boreholes and Ground Source Heat Pumps. At greater depths, depending on the geothermal gradient, temperatures from a few tens of degrees Centigrade to several hundred degrees can be encountered within sensible drilling range and the heat can be used for anything from moderate temperature direct use to large capacity electricity production.
The heat is accessed by drilling holes or ‘wells’ into the geothermal reservoir and circulating water through the rocks to bring it to the surface, where it can be used directly or passed through heat exchangers before being reinjected back into the ground.
Geothermal energy is a mature technology that has been used for decades to provide renewable heat and power in a commercially attractive and environmentally sensitive way.
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TEAM
TECHNICAL PAPERS
Recent Technical Papers
Geothermal Energy Use, Country Update for United Kingdom
Proceedings World Geothermal Congress, 2020
Geological Overview of the United Downs Deep Geothermal Power Project
Proceedings World Geothermal Congress, 2020
Education and community outreach at the United Downs Deep Geothermal Power Project
Proceedings World Geothermal Congress, 2020
Seismic Monitoring at the United Downs Deep Geothermal Power Project
Proceedings World Geothermal Congress, 2020
The United Downs Deep Geothermal Power Project
European Geothermal Congress, 2019
Although the papers below are from the hydrocarbons industry they illustrate the depth of our experience in fractured formations, many of which host geothermal resources
Hydrocarbon production from fractured basement formations
GeoScience Limited, 2015
Basement Reservoirs - A review of their geological and production characteristics
International Petroleum Technology Conference, 2009
Application of Pyrenean fractured carbonate outcrops for subsurface reservoir characterisation
77th EAGE Conference & Exhibition, 2015
Application of Pyrenean fractured carbonate outcrops for subsurface reservoir characterisation (slideshow)
AAPG Europe, 2015