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 … WebFractal Characteristics of Coal Pores Based on Classic Geometry and Termodynamic models Acta Geologica Sinica-English Edition 2011 年 6 月 15 日 To better understand the characteristics of coal pores and their influence on coal reservoirs, coal pores in …
Pore fractal characteristics
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WebFeb 12, 2024 · Results show that the pore space occupied by fluids within hydrate-bearing sands is inherently fractal. The area pore-size fractal dimension decreases but the tortuosity fractal dimension changes little with increasing hydrate saturation, and the sum of these two fractal dimensions can be used to predict the volume pore-size fractal dimension. WebApr 8, 2024 · Relationship of Fractal–Multifractal Characteristics and Pore-Throat Structure. Figure 10 shows the relationships between D box and pore-throat parameters of the 11 non-fractured igneous rock samples. For the same type of pores, there was a significant positive correlation between D box and porosity (Fig. 10a).
WebFeb 15, 2024 · Characteristics of pore structure of different metamorphic coal were discussed. • The fractal dimension characteristics of pore structure are studied. • Through fractal dimensions of pores, the accurate data of pore sizes in a wider range are obtained. • The new pore classification scheme is put forward by piecewise fractal dimensions. 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 …
WebIn 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 … WebMay 1, 2024 · The pore surface fractal dimension (D S) of HBPRC in gel, capillary, and large pore regions decreases sequentially although it has no physical characteristics in a transition pore region. The incorporation of fibres has an insignificant effect on D S in gel and capillary pore regions; however, it has a reducing effect on D S in the large pore region.
WebFeb 15, 2024 · The pore structures present multiple fractal behaviors, with fractal dimensions showing an increasing trend as the pore diameter decreases. The cover coefficient, a parameter that allows characterization of the caprock sealing performance, shows an increasing trend along with increasing the fractal dimension of pore structure.
http://kjc.upc.edu.cn/_upload/article/files/c9/71/267df9104b9f9eb9db07c921f2b4/9e6e8a6c-c9d9-4ee0-b205-3ccd9de022d8.pdf real bestellung onlineWebNov 15, 2024 · Fractal analysis was performed on carbonate core plug samples from the Ordovician Majiagou carbonate reservoirs in the Ordos Basin using mercury intrusion capillary pressure (MICP), nuclear magnetic resonance (NMR), and the x-ray computed tomography (CT) measurements to improve our understanding of the pore structure … real berlin treptower park centerWebMay 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. how to tame your gerbilWebApr 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}, … how to tame your bratWebApr 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). real betis balompie v villarrealWebMay 27, 2024 · Further, with the help of mercury intrusion porosimetry (MIP) data and the MATLAB programming, the pore and SEM photos fractal dimensions of AACGS mortar specimens were obtained, respectively, and the relationship between the microscopic fractal dimensions and the macroscopic strength and the structural characteristics of pores was … how to tame wolves in valheimWebEvaluation of carbonate heterogeneity, closely related to pore geometry and connectivity, is important in oil and gas field production and reservoir prediction 掌桥科研 一站式科研服务平台 how to tame wild frizzy curly hair