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题名:
Quantitative multi-scale analysis of mineral distributions and fractal pore structures for a heterogeneous Junger Basin shale
作者: Wang, YD; Liu, KY; Yang, YS; Ren, YQ; Hu, T; Deng, B; Xiao, TQ
刊名: JOURNAL OF INSTRUMENTATION
出版日期: 2016
卷号: 11, 期号:-, 页码:
关键词: NITROGEN ADSORPTION MEASUREMENTS ; TOMOGRAPHY ; EXTRACTION
DOI: 10.1088/1748-0221/11/04/C04005
通讯作者: Xiao, TQ (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China.
文章类型: 期刊文献
英文摘要: Three dimensional (3D) characterization of shales has recently attracted wide attentions in relation to the growing importance of shale oil and gas. Obtaining a complete 3D compositional distribution of shale has proven to be challenging due to its multi-scale characteristics. A combined multi-energy X-ray micro-CT technique and data-constrained modelling (DCM) approach has been used to quantitatively investigate the multi-scale mineral and porosity distributions of a heterogeneous shale from the Junger Basin, northwestern China by sub-sampling. The 3D sub-resolution structures of minerals and pores in the samples are quantitatively obtained as the partial volume fraction distributions, with colours representing compositions. The shale sub-samples from two areas have different physical structures for minerals and pores, with the dominant minerals being feldspar and dolomite, respectively. Significant heterogeneities have been observed in the analysis. The sub-voxel sized pores form large interconnected clusters with fractal structures. The fractal dimensions of the largest clusters for both sub-samples were quantitatively calculated and found to be 2.34 and 2.86, respectively. The results are relevant in quantitative modelling of gas transport in shale reservoirs.
收录类别: SCI
语种: 英语
WOS记录号: WOS:000375746400005
ISSN号: 1748-0221
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.sinap.ac.cn/handle/331007/25819
Appears in Collections:中科院上海应用物理研究所2011-2017年_期刊论文

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Recommended Citation:
Wang, YD,Liu, KY,Yang, YS,et al. Quantitative multi-scale analysis of mineral distributions and fractal pore structures for a heterogeneous Junger Basin shale[J]. JOURNAL OF INSTRUMENTATION,2016-01-01,11(-):—.
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文件名: Quantitative multi-scale analysis of mineral distributions and fractal pore structures for a heterogeneous Junger Basin shale.pdf
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