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2. Geothermal deposits and resources
In principle, terrestrial heat can only be exploited when the geological formations that make up the subsoil contain aquifers in which a geothermal fluid circulates. The fluid present – and heated by contact with the rocks – can then be captured by drilling. In this way, the stored heat is transported from the depths to the surface, where it can be exploited. This is why we speak of geothermal resources or geothermal deposits.
2.1 Geothermal deposits
A geothermal deposit is made up of three main elements:
a heat source ;
a reservoir rock ;
a fluid.
The heat source can be either simply the local terrestrial heat...
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Geothermal deposits and resources
Developing geothermal resources
Bibliography
Reference
- (1) - LINDAL (B.) - Industrial and other applications of geothermal energy. Dans Geothermal Energy, a review of research and development. - Earth Sciences, 12, UNESCO, Paris (1973).
Works
Trade press
The CITEG newsletter (quarterly) ADEME, BRGM
L'Énergie du Sous-sol, Geothermal energy in the Paris Region (quarterly), ADEME, ARENE, BRGM
Solar systems (bimonthly)
Geothermal Resources Council Bulletin (United States)
IGA News (international)
Geo Heat Center Quartely Bulletin (United States)
...Audiovisual resources
Geothermal energy in the Paris Region and Semhach (video)
Co-producers: ADEME, AGéMO, ARENE IDF and BRGM
Line producers: SEMHACH
Executive production: Un coin de Paradis, Capa Entreprise (January 2006)
Bouillante geothermal energy (video)
Executive production: Sycomore Films
...
Internet portals
Geothermal perspectives (ADEME, BRGM) http://www.geothermie-perspectives.fr
Renewable energies http://www.energies-renouvelables.org
Regulations
Decree 78-498 of March 28, 1978 on geothermal exploration and exploitation permits.
Main operations
The main geothermal operations in service in 2004 are summarized in table for the Paris Basin and table for the Aquitaine Basin.
Organizations
French Environment and Energy Management Agency (ADEME) http://www.ademe.fr
French Geological and Mining Research Bureau (BRGM) http://www. brgm.fr
SAF Environnement (manager of the geothermal guarantee fund on behalf of ADEME)
...
Design offices
-
Basement
ANTEA http://www.antea-ingenierie.fr
Archambault Conseil http://www.archambault-conseil.fr
BURGÉAP http://www.burgeap.fr
...
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