Development status and trend of high-density 3D seismic exploration technology for coal fields

Authors

DONG Shouhua, School of Resources and Geosciences, China University of Mining and Technology, Xuzhou 221116, ChinaFollow
HUANG Yaping, School of Resources and Geosciences, China University of Mining and Technology, Xuzhou 221116, ChinaFollow
JIN Xueliang, School of Resources and Geosciences, China University of Mining and Technology, Xuzhou 221116, China; Huaibei Mining (Group) Co., Ltd., Huaibei 235000, China;
YANG Guangming, CCTEG Xi’an Research Institute (Group) Co., Ltd., Xi’an 710077, China
NIE Ailan, CCTEG Xi’an Research Institute (Group) Co., Ltd., Xi’an 710077, China
QI Xuemei, School of Resources and Geosciences, China University of Mining and Technology, Xuzhou 221116, China
CHENG Yan, China National Administration of Coal Geology, Beijing 100038, China
WU Haibo, School of Earth and Environment, Anhui University of Science and Technology, Huainan 232001, China

Abstract

Traditional 3D seismic exploration in coal mining areas is difficult to meet the requirements of transparent and accurate geological exploration for safe and efficient coal mining due to its low precision for complex structures, lower coal seams, and limestones. In this case, high-density 3D seismic exploration technology for coal fields emerged. This technology has undergone three developmental stages in China, namely the exploration and test stage during 2005‒2007, the test and demonstration stage during 2008‒2014, and the promotion and application stage since 2015. After nearly 20 years of development, its accuracy for the exploration of complex geological structures has been significantly improved, and great progress has been made in its ability to solve special geological problems. By combining the analysis of relevant study results and exploration examples, this study reviewed the current status of techniques used in major links, such as data acquisition, processing, and interpretation, in the high-density 3D seismic exploration technology for coal mines. Facing the urgent need of safe and efficient production of coal mines for small and micro-structure interpretation and accurate lithology identification, this study proposed that the development of high-density 3D seismic exploration technology for coal fields will focus on the technologies for the optimization of the seismic observation system, the merging of seismic data, pre-stack depth migration, data processing and interpretation of the Offset Vector Title (OVT) domain, depth-domain seismic data interpretation, and artificial intelligence processing and interpretations.

Keywords

coal field, high-density 3D seismic exploration, OVT technology, depth-domain interpretation, development status, trend

DOI

10.12363/issn.1001-1986.23.03.0116

Recommended Citation

DONG Shouhua, HUANG Yaping, JIN Xueliang, et al. (2023) "Development status and trend of high-density 3D seismic exploration technology for coal fields," Coal Geology & Exploration: Vol. 51: Iss. 2, Article 22.
DOI: 10.12363/issn.1001-1986.23.03.0116
Available at: https://cge.researchcommons.org/journal/vol51/iss2/22

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