Multi Scale Numerical Modelling Related to Hydrofracking for Deep Geothermal Energy Exploitation. (2016)

• Record Type: Journal Article
• Authors: Insana, Alessandra; Barla, Marco; Elmo, Davide
• Is Part Of: Procedia engineering. Volume 158(2016)
• Page Start: 314
• Page End: 319
• Publication Date: 2016
• Subjects: Fracture process -- Voronoi tessellation -- geothermal wells; Engineering -- Congresses; Engineering -- Periodicals; Engineering; Conference proceedings; Periodicals; 620.005
• DOI: 10.1016/j.proeng.2016.08.448
• Languages: English
• ISSNs: 1877-7058

Abstract

Abstract: Prediction of fracture propagation through rock masses is investigated in this paper by adopting the Distinct Element Method (DEM) and the Voronoi tessellation. A microstructure-based model was created. Microparameters governing Voronoi sub-blocks contacts behaviour were calibrated against laboratory tests results for different rocks. An upscaling procedure is proposed to build reliable and representative numerical models at in situ scale to study fracture propagation for deep geothermal wells.