Pore fractal characteristics

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August undefined, 2024

WebThe 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. WebFinally, combined with TOC and mineral compositions, the relationship between pore structure and fractal dimension is discussed. And the following research results are obtained. First, dominant lithofacies of Dalong Formation are argillaceous-rich siliceous shale and argillaceous-rich/siliceous mixed shale, which has smaller specific surface area …

New cognition on pore structure characteristics of Permian …

WebFractal Analysis of Shale Pore Structure of Continental Gas Shale Reservoir in the Ordos Basin, NW China Energy & Fuels 2016-05-03 姜福杰姜福杰姜福杰，陈迪，陈健，李倩文，刘莹，邵新荷，胡涛，代进雄 30（6） 113 是 2 Pore characteristic analysis of a lacustrine shale: A case study in the Ordos Basin, NW WebSep 15, 2014 · CT X-ray was used to image surface features of biofilm and permeability pathways within the micron-scale pore networks of an oil-reservoir sandstone core (depth 4,796.2 ft), Eutaw Formation ... greengate children\u0027s centre barrow

Pore structure and fractal characteristics of Ordovician Majiagou ...

WebPore pressure prediction Wellbore stability in HPHT conditions Hydraulic fracturing with acid and proppant ... The lack of direct data and the complexities of the fracture characteristics make fracture network prediction and modelling in these applications very ... Application of power-spectrum–volume fractal method for detecting hypogene, ... 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. WebThe surface of C16 was covered with highly porous apatite layers comprising large pores measuring 600–800 nm and smaller pores inside it measuring 200–400 nm ... In particular, C12 with biomimetic hierarchical micro-/nanohybrid topography demonstrated superior fractal features, the best capacity in protein adsorption and the ensuing ... greengate clear petg

$Determination of the fracture mechanical parameters of porous …$

Fractal characteristics of shale pore structure and its influence on ...

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}, … 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. flu shots at bjcWebFractal 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 flu shots are available here

"WebBi-fractal characterizatio n of the pore network of tight sandstone 论文 2024 年作者排序：第一作者；期刊名称： Frontiers in Earth Science；系统收录情况： SCI；发布当年影响因子：2.273； Song-Bi-Fractal Characterization of the Pore N.pdf 3 Dynamic reconstruction of the hydrocarbon generation ... " - Pore fractal characteristics

Pore fractal characteristics

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WebCa-montmorillonite was exchanged with the metal cations, titanium, iron, and copper and the ion-exchange effects on the surface area, pore structure and adsorption property of the montmorillonite were studied. The changes in the pore structure and the surface roughness of the montmorillonite were first characterized based on the classical and fractal … WebMay 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.

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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 … 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 …

WebMay 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 … 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.

WebNov 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 … WebApr 13, 2024 · The D values of MNAs were 2.93 (D S) and 2.87 (D N), respectively, indicating a typical surface fractal feature and the dominance of open pores in the composite aerogels.

WebAug 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.

WebJun 15, 2024 · The pore-size distribution and the fractal characteristics of the microscopic pore structure are systematically examined by means of nitrogen adsorption and mercury intrusion tests. ... The fractal dimension of the microscopic pore structure reveals two inflection points measuring approximately 5 and 80 nm, ... flu shots at family fareWebSep 6, 2024 · Pore fractal characteristics. Fractal theory has been widely used to analyze the irregularity and complexity of the pore structure in porous media. According to the percolation theory, in the process of a high-pressure mercury injection experiment, mercury will enter the sample in two stages. green gate cleaners<3) fractal dimension D is calculated as D=6-p, for surface fractals D=p. 29 greengate chicago dispensaryWebApr 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). greengate clementine whiteWebIn mathematics, a fractal is a geometric shape containing detailed structure at arbitrarily small scales, usually having a fractal dimension strictly exceeding the topological dimension.Many fractals appear similar at various scales, as illustrated in successive magnifications of the Mandelbrot set. This exhibition of similar patterns at increasingly … flu shots at health departmentWebApr 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). greengate circle west palm beach floridaWebFractal 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 … greengate children\\u0027s centre redcar