Pore fractal characteristics
WebSeveral parameters such as size, shape and orientation of pores have been evaluated. In parallel, the mechanical properties such as fracture toughness and Weibull modulus were directly measured. In order to appreciate the relevance of the use of QIA, the mechanical parameters have also been deduced from the microstructural features, and a comparison … WebMar 28, 2024 · The evaluation of pore characteristics in lacustrine shales is of significance for shale oil and ...
Pore fractal characteristics
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WebMar 2, 2024 · The contributions of key pore geometry parameters, including the maximum pore diameter, minimum pore diameter, porosity, and fractal dimensions, to the initial permeability were investigated. A numerical analysis showed that the influence of fractal dimension on the permeability is finally reflected in the influence of pore structure … WebNov 20, 2024 · By calculating pore surface fractal dimensions based on Zhang’s fractal model, the obvious fractal characteristics of micropores (<100 nm) and macropores (> 10 5 nm) have been found.
WebOct 18, 2024 · Exploration practice indicates that free gas is the key to the large-scale development of shale gas, while adsorbed gas is also of great significance to the sustainable development of shale gas, and thus systematic researches on absorbed pores are needed. To date, researches on pore structure and multi-scale fractal characteristics … WebPore Fractal Characteristics of Hydrate-Bearing Sands and Implications to the Saturated Water Permeability 1 Introduction. Gas hydrates are crystalline compounds composed of water and gas molecules, and they are mainly found in... 2 Theory and Experimental Method. In nature, the cumulative number of ...
WebApr 20, 2024 · In this study, various testing methods were used to analyze the mineral characteristics, reservoir storage types and pore-throat network characteristics of the Permian tight sandstone in the Upper Paleozoic of the Ordos Basin. A fractal method was applied to evaluate the reservoirs’ microscopic heterogeneity. According to the results, the … WebApr 5, 2024 · To disclose the pore distribution characteristics of different lithofacies lacustrine shales, ten samples collected from the Shahejie Formation, Dongying Sag, Bohai Bay Basin, China, were examined using argon ion beam milling–scanning electron microscopy (SEM). A quantitative method was adopted to characterize shale pore …
WebApr 1, 2024 · DOI: 10.1016/j.energy.2024.127470 Corpus ID: 258047069; Experimental study of effect of liquid nitrogen cold soaking on coal pore structure and fractal characteristics @article{2024ExperimentalSO, title={Experimental study of effect of liquid nitrogen cold soaking on coal pore structure and fractal characteristics}, author={}, journal={Energy}, …
WebChuck Speicher has been a visionary leader in every endeavor he has chosen to pursue over a career that spans more than 3 decades. First in the wireless industry where his accomplishments lead an ... imessage won\u0027t activate numberWebApr 14, 2024 · On the other hand, the pore size is concentrated in the range of 0.1–1 μm in tight oil reservoirs, and the pore characteristics of such reservoirs show obvious micro-nano scale effects. 7 7. T. M. Koper Marc, “ Structure sensitivity and nanoscale effects in electrocatalysis,” Nanoscale 3(5), 2054– 2073 (2011). list of online degree millsWebIn this study, the microscopic pore distribution characteristics of fiber-reinforced cement mortar were obtained by using nuclear magnetic resonance (NMR) technology. The change trend of T2 spectrum curve and porosity cumulative distribution curve showed that the freeze-thaw resistance of cement mortar increased first and then decreased with the fiber … list of online dating servicesWebMay 19, 2024 · The fractal characteristics of the pore surface of the shale in the Niutitang Formation in Guizhou were more obvious. The fractal dimension had a quadratic relationship with the BET specific surface area, and the average pore size and TOC content decreased with an increase in the fractal dimension. imessage won\u0027t let me select my phone numberWebAug 17, 2024 · The present work is closely related to two streams of literature: coal pore structure characteristics and coal fractal characteristics. In the study of Guo et al. (2024), low quality blended coal is used as raw material to prepare gasified-coke under different residence time, and the changes of pore structure and fractal dimension are investigated. imessage won\u0027t download imagesWebFractal objects are characterized by self-similarity within a spatial range. The fractal dimension is calculated from the p exponent of Eq. 2, and gives information about the pore surface before and after the addition of the natural extract. For mass fractals (2 list of online dating sitesWebThe geometry parameters of roundness and shape index were adopted to study the pore morphology characteristics, and the relationship between geometry parameters and pore fractal dimension of the RAS were established by regression analysis method. imessage won\\u0027t download images