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Fractal dimensions of shale

WebWe assemble a multiscale physical model of gas production in a mudrock (shale). We then tested our model on 45 horizontal gas wells in the Barnett with 12–15 years on production. When properly used, our model may enable shale companies to gain operational insights into how to complete a particular well in a particular shale. … WebJun 12, 2024 · The fractal dimension can be taken as a visual indicator that represents the degree of development of the pore structure in shale. Keywords: Longmaxi Formation shale; pore structure; N 2 adsorption; …

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WebJan 6, 2024 · The fractal dimension can be used to evaluate the methane adsorption capacity; the larger the fractal dimension is, the larger the methane adsorption capacity is. Fractal analysis is helpful to better understand the pore structure and adsorption capacity of shale gas reservoirs. WebApr 8, 2024 · The heterogeneity of reservoir micro-pores and the multifractal nature of their geometric morphology control the migration of oil and gas in porous media and affect the characteristics of oil and gas accumulation and productivity at the macro-scale. In this paper, based on high-resolution x-ray microscope computer tomography (XCT), combined with … the kavemen https://nelsonins.net

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

WebThus, we take as the definition of the fractal dimension of a self-similar object Now we can compute the dimension of S. For the Sierpinski triangle consists of 3 self-similar pieces, … WebSep 9, 2024 · The fractal dimensions of shale are jointly controlled by OM, clays and brittle minerals. The TOC content is the key factor which has a positive correlation with the fractal dimension. Clay ... Web12 rows · Mar 1, 2016 · Liang et al. (2015) showed that the fractal dimension of Wufeng shale that controls the pore ... The fractal dimensions of lacustrine shale are negatively correlated with the clay … Typical X-ray energies are in the range 30–160 keV for micro-CT machines – … The fluid characterization data obtained from XCMT can also be used as input. … The sizes and connections of the pores in a network of tetrahedral pores have been … Fractal modeling of capillary pressure curves for The Geysers rocks. … High pressure Mercury intrusion techniques are widely used for the determination of … Pore connectivity is limited in shale formations, unlike in conventional … Our point therefore is that algorithms for extraction of pore networks, whether … In the present work, high purity cBN powder (< 10 μm), Al powder (< 5 μm) and HfC … 1.. IntroductionThe first use of a network of pores to represent multiphase flow in … the kavalier chinos

Determination of the Fractal Dimension of CO2 Adsorption …

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Fractal dimensions of shale

Frontiers Pore structure and fractal characteristics of Wufeng ...

WebJan 8, 2024 · Considering Tables 1–3, it is concluded that the fractal dimensions of samples would vary based on the model that is used. It can be seen that the FHH fractal … WebMay 19, 2024 · The pore structure characteristics of shale were analysed, the fractal dimensions of the shale pores were calculated using the FHH model, and the functional …

Fractal dimensions of shale

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WebDec 16, 2024 · To study the mechanical behaviors of shales under uniaxial compression tests, two fractal dimensions Fs and Fb are used, in which Fs is calculated by the size … WebThe estimated permeability based on roughness fractal dimension is the best match. Gas relative permeability increases when fractal dimension increases, which means the stronger wettability of core. Water changes pore structure directly, which leads to changes of mechanical properties and percolation ability of shale.

WebA fractal dimension is an index for characterizing fractal patterns or sets by quantifying their complexity as a ratio of the change in detail to the change in scale.: 1 Several types … WebMar 3, 2024 · The fractal dimension of the shale pore is usually calculated by the Frenkel–Halsey–Hill (FHH) model based on N 2 adsorption isotherms. The previous studies have investigated the main factors affecting the pore structure of shale, such as total organic carbon (TOC) content, lithofacies, sedimentary environment, and tectonic …

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WebAug 20, 2016 · The fractal dimension values of shale are similar to that of coal, and this reflects that surface roughness of pores larger than 65 nm in both coal and shale is very similar. Based on the fractal principle, the calculated fractal dimension for this model can’t be larger than 3, but some calculated results shows the fractal dimensions are ...

WebMar 1, 2016 · Fractal dimension (FD) measures the space filled by a fractal set, which has many applications in image processing like segmentation [2], classification [3], fusion [4], … the kavanaugh hearingWebJun 1, 2024 · As shown in Fig. 5, the fractal dimension derived from 3D capillary model has strong correlations with parameters of shale nanopores. The determination coefficients of correlations are greater than 0.7, and some coefficients are greater than 0.8. The range of values is between 2.242 and 2.784, with an average of 2.625. the kavanagh buildingWebsurface fractal dimension of a porous solid (D N) which can be expressed by:28 S(r) r2 DN (4) where S(r) is the surface area and r is the length of the yardstick which is used to … the kavachi volcanoWebApr 2, 2024 · The fractal dimension quantifies the degree of roughness and is influenced primarily by the pore surfaces within the shale that typically include micro-, meso- and … the kave homeWebApr 27, 2024 · From Table 4, values of fractal dimension D 1 ranged from 2.773 to 2.923 with a mean value of 2.821, and values of fractal dimension D 2 ranged from 2.853 to … the kavanaugh reportWebJun 12, 2024 · The fractal dimension can be taken as a visual indicator that represents the degree of development of the pore structure in shale. This paper tries to determine the key evaluation parameters of shale … the kauri familyWebSep 4, 2024 · The mean Mandelbrot fractal dimension and the boxcounting fractal dimension were different, with values of 1.2543 and 1.5203 for organic pores, 1.4520 and 1.5781 for intragranular pores, and 1. ... the kavernacle reddit