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Estimation of pore microstructure by using the static and dynamic moduli
Zhang, Lin1; Ba, Jing1; Fu, Liyun2; Carcione, Jose M.3; Cao, Chenghao2
2019
发表期刊INTERNATIONAL JOURNAL OF ROCK MECHANICS AND MINING SCIENCES
ISSN1365-1609
卷号113页码:24-30
摘要The variations of the static and dynamic moduli of porous rocks as a function of differential pressure have been described in terms of pore microstructure, i.e., the effects of cracks (soft pores) and intergranular (stiff) pores. Specifically, the first play a major role on the elastic properties of rocks. By using the Mori-Tanaka theory, this work relates rock elastic properties to the pore microstructure. Then, we estimate the distribution of pore aspect ratios by using the static bulk modulus instead of the dynamic one. The approach is applied to data from the Navajo and Weber sandstones. The results show that the cumulative crack porosity and density obtained from the static bulk modulus are higher than those estimated from the dynamic moduli, while the dominant crack aspect ratio is lower. The total porosity estimated from the static modulus agrees better with the experimental data. Furthermore, the cumulative crack (soft or compliant) porosity are estimated by the method, which also agrees with results from stress-strain relation and from bulk compressibility curves.
DOI10.1016/j.ijrmms.2018.11.005
资助者Distinguished Professor Program of Jiangsu Province ; Distinguished Professor Program of Jiangsu Province ; Cultivation Program of "111" Plan of China ; Cultivation Program of "111" Plan of China ; Fundamental Research Funds for the Central Universities ; Fundamental Research Funds for the Central Universities ; Distinguished Professor Program of Jiangsu Province ; Distinguished Professor Program of Jiangsu Province ; Cultivation Program of "111" Plan of China ; Cultivation Program of "111" Plan of China ; Fundamental Research Funds for the Central Universities ; Fundamental Research Funds for the Central Universities ; Distinguished Professor Program of Jiangsu Province ; Distinguished Professor Program of Jiangsu Province ; Cultivation Program of "111" Plan of China ; Cultivation Program of "111" Plan of China ; Fundamental Research Funds for the Central Universities ; Fundamental Research Funds for the Central Universities ; Distinguished Professor Program of Jiangsu Province ; Distinguished Professor Program of Jiangsu Province ; Cultivation Program of "111" Plan of China ; Cultivation Program of "111" Plan of China ; Fundamental Research Funds for the Central Universities ; Fundamental Research Funds for the Central Universities
关键词[WOS]ASPECT RATIO SPECTRUM ; WAVE VELOCITIES ; PRESSURE ; FLUID ; ATTENUATION ; POROSITY ; STRESS ; COMPRESSIBILITY ; INVERSION ; SCHEME
语种英语
资助项目Distinguished Professor Program of Jiangsu Province ; Cultivation Program of "111" Plan of China[BC2018019] ; Fundamental Research Funds for the Central Universities[2016B13114]
资助者Distinguished Professor Program of Jiangsu Province ; Distinguished Professor Program of Jiangsu Province ; Cultivation Program of "111" Plan of China ; Cultivation Program of "111" Plan of China ; Fundamental Research Funds for the Central Universities ; Fundamental Research Funds for the Central Universities ; Distinguished Professor Program of Jiangsu Province ; Distinguished Professor Program of Jiangsu Province ; Cultivation Program of "111" Plan of China ; Cultivation Program of "111" Plan of China ; Fundamental Research Funds for the Central Universities ; Fundamental Research Funds for the Central Universities ; Distinguished Professor Program of Jiangsu Province ; Distinguished Professor Program of Jiangsu Province ; Cultivation Program of "111" Plan of China ; Cultivation Program of "111" Plan of China ; Fundamental Research Funds for the Central Universities ; Fundamental Research Funds for the Central Universities ; Distinguished Professor Program of Jiangsu Province ; Distinguished Professor Program of Jiangsu Province ; Cultivation Program of "111" Plan of China ; Cultivation Program of "111" Plan of China ; Fundamental Research Funds for the Central Universities ; Fundamental Research Funds for the Central Universities
WOS研究方向Engineering ; Mining & Mineral Processing
WOS类目Engineering, Geological ; Mining & Mineral Processing
WOS记录号WOS:000454150800003
出版者PERGAMON-ELSEVIER SCIENCE LTD
引用统计
文献类型期刊论文
条目标识符http://ir.iggcas.ac.cn/handle/132A11/90231
专题中国科学院地质与地球物理研究所
通讯作者Ba, Jing
作者单位1.Hohai Univ, Sch Earth Sci & Engn, Nanjing 211100, Jiangsu, Peoples R China
2.Chinese Acad Sci, Inst Geol & Geophys, Beijing 100029, Peoples R China
3.Ist Nazl Oceanog & Geofis Sperimentale OGS, Borgo Grotta Gigante 42C, I-34010 Trieste, Italy
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GB/T 7714
Zhang, Lin,Ba, Jing,Fu, Liyun,et al. Estimation of pore microstructure by using the static and dynamic moduli[J]. INTERNATIONAL JOURNAL OF ROCK MECHANICS AND MINING SCIENCES,2019,113:24-30.
APA Zhang, Lin,Ba, Jing,Fu, Liyun,Carcione, Jose M.,&Cao, Chenghao.(2019).Estimation of pore microstructure by using the static and dynamic moduli.INTERNATIONAL JOURNAL OF ROCK MECHANICS AND MINING SCIENCES,113,24-30.
MLA Zhang, Lin,et al."Estimation of pore microstructure by using the static and dynamic moduli".INTERNATIONAL JOURNAL OF ROCK MECHANICS AND MINING SCIENCES 113(2019):24-30.
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