Journal ArticleDOI
Characteristics of pore structure and fractal dimension of low-rank coal: A case study of Lower Jurassic Xishanyao coal in the southern Junggar Basin, NW China
Haijiao Fu,Dazhen Tang,Ting Xu,Hao Xu,Shu Tao,Song Li,Zhenyong Yin,Baoli Chen,Cheng Zhang,Linlin Wang +9 more
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TLDR
In this paper, a series of laboratory experiments were performed to firstly analyze the characteristics of the pore structure in low-rank coal (R o 1000nm), with a poor development of mesopores (100-1000nm).About:
This article is published in Fuel.The article was published on 2017-04-01. It has received 211 citations till now. The article focuses on the topics: Fractal analysis & Fractal dimension.read more
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Pore structure, adsorptivity and influencing factors of high-volatile bituminous coal rich in inertinite
TL;DR: In this article, the effect of the first coalification jump (FCJ) on the reservoir properties of high-volatile bituminous coal rich in inertinite, has been studied.
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Investigation of the fractal characteristics of adsorption-pores and their impact on the methane adsorption capacity of various rank coals via N2 and H2O adsorption methods
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LCO2-ECBM technology for preventing coal and gas outburst: Integrated effect of permeability improvement and gas displacement
TL;DR: Wang et al. as mentioned in this paper proposed an enhanced coalbed methane (ECBM) technology by liquid carbon dioxide (LCO2-ECBM), based on permeability improvement by thermal damage and CO2-CH4 displacement effect.
Journal ArticleDOI
Diffusion tortuosity in complex porous media from pore-scale numerical simulations
TL;DR: In this paper, the correlation between porosity and tortuosity in complex porous media is studied numerically using a random walk particle tracking method, and it is found that vuggy porosity increases the tortusosity.
References
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Adsorption of Gases in Multimolecular Layers
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Microfluidics: Fluid physics at the nanoliter scale
Todd M. Squires,Stephen R. Quake +1 more
TL;DR: A review of the physics of small volumes (nanoliters) of fluids is presented, as parametrized by a series of dimensionless numbers expressing the relative importance of various physical phenomena as mentioned in this paper.
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Recommendations for the characterization of porous solids (Technical Report)
Jean Rouquerol,D. Avnir,C. W. Fairbridge,D. H. Everett,J. M. Haynes,N. Pernicone,J. D. F. Ramsay,Kenneth S. W. Sing,Klaus K. Unger +8 more
TL;DR: In this article, the authors present a tool for the selection and appraisal of the methods of characterization of porous solids, and also give the warnings and guidelines on which the experts generally agree.
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Coalbed methane: A review
TL;DR: In this paper, it is shown that the micropores are where most methane adsorption occurs in coal seams, and the methane molecule may actually stretch, minutely, the pore and thus with de-gassing of the reservoir, could result in matrix shrinkage, allowing opening of the fracture (cleat) system in the coal and thus enhancing permeability.
Journal ArticleDOI
Petrophysical characterization of coals by low-field nuclear magnetic resonance (NMR)
TL;DR: Wang et al. as mentioned in this paper proposed a new NMR-based per-meability model that better estimates the permeability of coals, which has potential applications for NMR well logging in coalbed methane exploration.