Zobrazeno 1 - 10
of 1 101
pro vyhledávání: '"fractal characteristics"'
Publikováno v:
Meikuang Anquan, Vol 55, Iss 11, Pp 84-91 (2024)
In order to study the effect of cracking on the pore microstructure of coal rock, low-temperature nitrogen adsorption meth-od and mercury injection method were used to study the pore morphology and pore size distribution of coal samples before and af
Externí odkaz:
https://doaj.org/article/05c321e6f0a34814bcca6a512d3d3bb1
Autor:
O. V. Lazorenko, L. F. Chernogor
Publikováno v:
Radio Physics and Radio Astronomy, Vol 29, Iss 3, Pp 180-205 (2024)
Subject and Purpose. At the beginning of the 21st century, a fundamentally new scientific direction was formed in radiophysics — fractal radiophysics. The subject of this review is the main practical ideas of "fractalization" in radio physics. The
Externí odkaz:
https://doaj.org/article/a8e12473b268444f9ca8082b47df8335
Publikováno v:
Geomechanics and Geophysics for Geo-Energy and Geo-Resources, Vol 10, Iss 1, Pp 1-27 (2024)
Abstract The macro and micro morphology of rock failure surfaces play crucial roles in determining the rock mechanical and seepage properties. The morphology of unloaded deep rock failure surfaces exhibits significant variability and complexity. Surf
Externí odkaz:
https://doaj.org/article/9f5b93c79fd34f988550325bc5af8ab8
Autor:
Fangchao Lu, Chiyuan Liu, Xuebo Zhang, Bing Jia, Yifang Wang, Sheng Liu, Yiju Tang, Jingjing Liu, Pan Lin
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-15 (2024)
Abstract The characteristics and heterogeneity of coal pores are crucial for understanding the production mechanism of coalbed methane (CBM). In this study, coal samples with varying degrees of metamorphism (0.58% ≤ R O, max ≤ 3.44%) were collect
Externí odkaz:
https://doaj.org/article/dc9130ff8fc74adf9eb7ae7002fe3196
Autor:
Jizhen Zhang, Xiao Xiao, Jianguo Wang, Wei Lin, Denglin Han, Chenchen Wang, Yu Li, Yan Xiong, Xiaochan Zhang
Publikováno v:
Journal of Natural Gas Geoscience, Vol 9, Iss 3, Pp 197-208 (2024)
Shale oil and gas resources mainly exist in the pore and fracture system. Quantitative characterization of pore development characteristics and gas-bearing properties is crucial for shale reservoir evaluation. The pore development of shale reservoir
Externí odkaz:
https://doaj.org/article/b5e5b89c793b4a3bb782d042bbc16fcc
Publikováno v:
International Journal of Mining Science and Technology, Vol 34, Iss 3, Pp 413-425 (2024)
Chemical solvents instead of pure water being as hydraulic fracturing fluid could effectively increase permeability and improve clean methane extraction efficiency. However, pore-fracture variation features of lean coal synergistically affected by so
Externí odkaz:
https://doaj.org/article/f0fe537b114d4b67a9a06254fa8eab33
Autor:
O. V. Lazorenko, L. F. Chernogor
Publikováno v:
Radio Physics and Radio Astronomy, Vol 29, Iss 1, Pp 046-067 (2024)
Subject and Purpose. At the beginning of the 21st century, a fundamentally new scientific direction was formed, currently known as fractal radiophysics. The present work is an overview of the principal theoretical and practical ideas concerning "frac
Externí odkaz:
https://doaj.org/article/b7f5b7e470d8456f90185c7dfc6ed49c
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-22 (2024)
Abstract To explore the effect of different stress environments on fault-slip rockbursts. Bidirectional shear friction experiments with different lateral pressures were conducted on precracked syenogranites buried at 800 m. The macroscopic statistica
Externí odkaz:
https://doaj.org/article/8fd3aefbff364eebafc9a12a4a2a7f50
Autor:
Kun Tian, Xiangyang Qiao, Jinsong Zhou, Chunqi Xue, Jun Cao, Xiao Yin, Shuo Lv, Bolun Zhugeng
Publikováno v:
Frontiers in Earth Science, Vol 12 (2024)
The evaluation of the pore structure in dolomite, particularly with regard to pore heterogeneity, geometry, and connectivity, is crucial for oil and gas field production and reservoir prediction. The subsalt dolomite reservoir in the Ordovician strat
Externí odkaz:
https://doaj.org/article/f4ebd5b39f06403f955509cbd3e16924
Publikováno v:
Journal of Petroleum Exploration and Production Technology, Vol 14, Iss 4, Pp 867-881 (2024)
Abstract To further clarify the optimal target layer in the horizontal section of Wufeng–Longmaxi shale, we selected 126 shale samples from the Wufeng–Longmaxi Formations (Long11 1 to Long11 4 and Long12 submember) as the primary study objects fr
Externí odkaz:
https://doaj.org/article/fe3903584f97468fa894996ba24e2529