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...-745. Rotterdam: Balkema. 14 Upstream Oil & Gas Reservoir Characterization basalt reservoir geomechanics diversion tunnel borehole pressure tunnel horizontal stress spillway excavation Brazil Barton stress anisotropy operation rock mass MPa columnar basalt shaft tunnel...

... Oil & Gas Madeira basaltic pyroclast scoria civil engineering regional laboratory reservoir geomechanics volcanic scoria direct shear test landfill dry density friction angle Volcanic Rock Mechanics - Olalla et al. (eds) © 2010 Taylor & Francis Group, London, ISBN 978-0-415-58478-4...

... to Lorenzo Fernández Ordónez, the Project Manager, for the kind permission to pub- lish this paper. Special thanks also to Wolfgang Kreiner for his collaboration to write this article. 354 Reservoir Characterization ground anchor gallery support concept light shaft reservoir geomechanics strength...