Multi scale numerical modelling related to hydrofracking for deep geothermal energy exploitation

被引：3
|
作者：
Insana, Alessandra [1 ]
Barla, Marco [1 ]
Elmo, Davide [2 ]
机构：
[1] Politecn Torino, Dipartimento Ingn Strutturale Edile & Geotecn, Corso Duca Abruzzi 24, I-10129 Turin, Italy
[2] Univ British Columbia, Norman B Keevil Inst Min Engn, 6350 Stores Rd, Vancouver, BC V6T 1Z4, Canada
来源：
VI ITALIAN CONFERENCE OF RESEARCHERS IN GEOTECHNICAL ENGINEERING, CNRIG2016 - GEOTECHNICAL ENGINEERING IN MULTIDISCIPLINARY RESEARCH: FROM MICROSCALE TO REGIONAL SCALE | 2016年 / 158卷
关键词：
Fracture process; Voronoi tessellation; geothermal wells;
D O I：
10.1016/j.proeng.2016.08.448
中图分类号：
P5 [地质学];
学科分类号：
0709 ; 081803 ;
摘要：
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. (C) 2016 The Authors. Published by Elsevier Ltd.
引用
收藏
页码：314 / 319
页数：6
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