From 1D to 4D: Advances and thoughts on coal seismic technology

Authors

CHENG Jianyuan, CCTEG Xi’an Research Institute (Group) Co., Ltd., Xi’an 710077, ChinaFollow
ZHANG Xianxu, CCTEG Xi’an Research Institute (Group) Co., Ltd., Xi’an 710077, China
JIANG Bici, CCTEG Xi’an Research Institute (Group) Co., Ltd., Xi’an 710077, China; China Coal Research Institute, Beijing 100013, ChinaFollow
WANG Pan, CCTEG Xi’an Research Institute (Group) Co., Ltd., Xi’an 710077, China College of Geology and Environment, Xi’an University of Science and Technology, Xi’an 710054, China
SHAN Rui, CCTEG Xi’an Research Institute (Group) Co., Ltd., Xi’an 710077, China

Abstract

As one of the key technologies for safe and efficient support of coalmine geology, the seismic technology, has gone through one-dimensional (1D), two-dimensional (2D), and three-dimensional (3D), and progressed from resource exploration to mining area exploration, and from structural exploration to lithological exploration. The latest 4D seismic will further leapfrog from static detection to dynamic detection. Based on the concepts of time-space dimensions and the four seismic development stages, we propose three transitional stages from 1.5D (e.g., non-zero offset VSP), 2.5D (e.g., wide line 2D seismic exploration) to 3.5D (e.g., 3D seismic dynamic interpretation), and also present the time-space characteristics of the seven seismic stages, including 1D, 1.5D, 2D, 2.5D, 3D, 3.5D and 4D. Results show that: (1) The increase of coal seismic dimension from low to high, from space to space-time, makes the amount of underground information grow exponentially; the accuracy of solution to geological problems is improved significantly, which is the internal engine of continuous development of seismic technology for coals. (2) The accumulation of fundamental theoretical research, the upgrading of seismic exploration instruments, and the demand of coal mining technologies, are the external driving force for the continuous advancement of seismic technology. (3) The interdisciplinary research and technological integration over multiple disciplines, industries and sectors have accelerated the iteration and upgrading of seismic technology of coal field.

Keywords

coal seismic, time dimension, space dimension, 3D seismic, 4D seismic, technology advances

DOI

10.12363/issn.1001-1986.22.11.0834

Recommended Citation

CHENG Jianyuan, ZHANG Xianxu, JIANG Bici, et al. (2023) "From 1D to 4D: Advances and thoughts on coal seismic technology," Coal Geology & Exploration: Vol. 51: Iss. 1, Article 23.
DOI: 10.12363/issn.1001-1986.22.11.0834
Available at: https://cge.researchcommons.org/journal/vol51/iss1/23

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