Digital rock physics and application of high-resolution micro-CT techniques for geomaterials

被引:0
作者
Mahanta, Bankim [1 ,2 ,3 ]
Ranjith, P. G. [1 ]
Singh, T. N. [2 ]
Vishal, Vikram [1 ,2 ]
Duan, WenHui [1 ]
Sazid, Mohammed [4 ]
机构
[1] Monash Univ, Dept Civil Engn, Melbourne, Vic, Australia
[2] Indian Inst Technol, Dept Earth Sci, Mumbai, Maharashtra, India
[3] Indian Inst Technol, IITB Monash Res Acad, Mumbai, Maharashtra, India
[4] King Abdulaziz Univ, Min Engn Dept, Fac Engn, Jeddah, Saudi Arabia
来源
DEEP ROCK MECHANICS: FROM RESEARCH TO ENGINEERING | 2019年
关键词
Micro-CT; Sandstone; Pore Network Modelling; Pore; Throat; POROUS-MEDIA; PORE-SPACE; TOMOGRAPHIC-IMAGES;
D O I
暂无
中图分类号
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号
0807 ; 0820 ;
摘要
Understanding the behaviour of rocks at microstructural levels is important for interpreting their macroscopic behaviour and the long-term successful implementation of their engineering applications like underground coal gasification, geothermal energy extractions, enhanced oil recovery, geological carbon sequestrations etc. Digital Rock Physics (DRP) is an alternative way for optimization and measurement of various image-based rock properties like porosity, permeability, electrical conductivity and elastic modulus and has been useful due to its high-resolution insight into the complex rock structure. DRP using micro-CT techniques includes image acquisition, image processing followed by the numerical experiments by means of the field equations and their solutions. The foremost microscopic attributes of rocks are pore volume, pore radius; pore coordination number, throat radius and throat channel length and these can be quantified precisely with the application of micro-CT technique. Additionally, pore-network model and flow behaviour simulation can also be achieved using this technique. In the current study, the advancement and usefulness of micro-CT techniques for geomaterials like rocks is discussed and summarised. Further, the technique is applied to an Indian sandstone to evaluate the above-mentioned rock properties.
引用
收藏
页码:299 / 307
页数:9
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