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Automatic identification of rock formation interface based on borehole imaging

Liu, Cancan ; Zheng, Xigui ; Yang, Lu ; Li, Peng ; Shahani, Niaz Muhammad ; Wang, Cong ; Guo, Xiaowei

Energy sources. Part A, Recovery, utilization, and environmental effects, 2024-12, Vol.ahead-of-print (ahead-of-print), p.1-13 [Periódico revisado por pares]

Taylor & Francis

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  • Título:
    Automatic identification of rock formation interface based on borehole imaging
  • Autor: Liu, Cancan ; Zheng, Xigui ; Yang, Lu ; Li, Peng ; Shahani, Niaz Muhammad ; Wang, Cong ; Guo, Xiaowei
  • Assuntos: borehole imaging ; change-point detection ; rock formation interface ; Rock formation recognition ; rock layer gray value
  • É parte de: Energy sources. Part A, Recovery, utilization, and environmental effects, 2024-12, Vol.ahead-of-print (ahead-of-print), p.1-13
  • Descrição: Borehole imaging, one of the main methods of rock formation detection, is widely used in mining, tunnels, petroleum, and other fields of engineering. However, the method of manually identifying the characteristic of rock formation based on borehole imaging is greatly affected by subjective factors. For example, it should be noted that when the rock layer color is similar, the position of the rock interface may be different. In this paper, a method of quantitatively describing the characteristics of the rock formation is proposed, and the automatic recognition of the rock interface is realized. Firstly, the calculation method of rock dip angle and position based on borehole image with 360° wall surface development is proposed. Secondly, the three-dimensional distribution characteristics of the gray values of the rock layer are used to quantitatively describe the characteristics of the rock layer. Finally, an automatic recognition method of rock formation interface based on change-point detection algorithm is proposed. In addition, the recognition effect of the rock formation interface is analyzed by experiments and applied in the field. Research shows that, compared with method two, method one can determine the rock inclination. But its anti-interference ability is poor. Method two can better determine the position of the rock interface. The method is of great significance to the intelligent development of the borehole imaging system and promotes safe, efficient, and sustainable mining in coal mines.
  • Editor: Taylor & Francis
  • Idioma: Inglês
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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