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Geotechnical and Geological Engineering

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01.06.2012 | Original paper

A Review of Some Rock Mechanics Issues in Geothermal Reservoir Development

verfasst von: A. Ghassemi

Erschienen in: Geotechnical and Geological Engineering | Ausgabe 3/2012

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Abstract

Rock mechanics and geomechanical studies can provide crucial information for economic geothermal reservoir development. Although significant progress has been made in reservoir geomechanics, technical challenges specific to the geothermal area (high temps, data collection, experimentation issues) have prevented widespread use of geomechanics in geothermal reservoir development. However, as the geothermal industry moves to develop more challenging resources using the concept of enhanced geothermal systems (EGS), and to maximize productivity from conventional resources, the need for improved understanding of geomechanical issues and developing specific technologies for geothermal reservoirs has become critical. Rock mechanics research and improved technologies can impact areas related to in-situ stress characterization, initiation and propagation of artificial and natural fractures, and the effects of coupled hydro-thermo-chemo-mechanical processes on fracture permeability and induced seismicity. Rock mechanics/geomechanics research, including experimental and theoretical investigations as well as numerical and analytical solutions, has an important role in optimizing reservoir design and heat extraction strategies for sustainable geothermal energy development. A number of major areas where rock mechanics research can facilitate geothermal systems development are reviewed in this paper with particular emphasis on EGS design and management.

Vorheriger Artikel World Stress Map Database as a Resource for Rock Mechanics and Rock Engineering

Nächster Artikel New Prediction Models for Mean Particle Size in Rock Blast Fragmentation

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Titel: A Review of Some Rock Mechanics Issues in Geothermal Reservoir Development
verfasst von: A. Ghassemi
Publikationsdatum: 01.06.2012
Verlag: Springer Netherlands
Erschienen in: Geotechnical and Geological Engineering / Ausgabe 3/2012
Print ISSN: 0960-3182
Elektronische ISSN: 1573-1529
DOI: https://doi.org/10.1007/s10706-012-9508-3

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