By Ernst Huenges, Patrick Ledru
Providing boundary stipulations for the commercial and environmental usage of geothermal know-how, this can be the 1st e-book to supply easy wisdom at the subject in such aspect. The editor is the coordinator of the eu Geothermic learn Initiative, whereas the authors are specialists for a number of the geological occasions in Europe with extreme temperature reservoirs in shallow and deep horizons.With its views for R&D in geothermic expertise concluding every one bankruptcy, this prepared reference can be of serious worth to scientists and decision-makers in examine and politics, in addition to these giving classes in petroleum engineering, for instance.
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Additional resources for Geothermal Energy Systems: Exploration, Development, and Utilization
Other variations of permeability are observed laterally within one single geological medium depending on heterogeneity, anisotropy, and time. These parameters constrain the efﬁciency of the reservoir and its sustainable use. The intrinsic permeability is a function of the heterogeneity and anisotropy of the medium. Fluid ﬂow will tend to be greater parallel to the main layering of the sedimentary or volcanic rocks and foliation of metamorphic rocks rather than across them. Permeability is also a time-dependent process as ﬂuid–rock interactions will provoke permanent dissolution and recrystallization phenomenon that will modify the permeability network.
Ahrens), AGU, Washington, DC, pp. 105–126. Delescluse, M. and Chamot-Rooke, N. (2008) Serpentinization pulse in the actively deforming central Indian basin. Earth and Planetary Science Letters, 276, 140–151. Demetrescu, C. and Andreescu, M. (1994) On the thermal regime of some tectonic units in a continental collision environment in Romania. Tectonophysics, 230, 265–276. , and Gable, R. (1991) Thermal conductivity and well-logs – a case study in the Paris basin. Geophysical Journal International, 105, 675–691.
13). A large active volcanic zone, corresponding to the mid-oceanic ridge, is running SW–NE, and displays various heat sources (dikes and magma chambers). Seawater, meteoric water, and volcanic ﬂuids are mixed in pressurized water-dominated reservoirs, often associated with young tectonic fractures, carrying heat from several kilometers depth toward the surface (Fl´ovenz and Saemundsson, 1993; Arn´orsson, 1995). The regional temperature gradient varies from 50 to 150 ◦ C km−1 and the highest values are found close to the volcanic rift zone.
Geothermal Energy Systems: Exploration, Development, and Utilization by Ernst Huenges, Patrick Ledru