Application of shallow seismic reflection surveys in the exploration of urban underground space in Jinan

XIAO Guan-Hua; ZHANG Wei; CHEN Heng-Chun; ZHUO Wu; WANG Yan-Jun; REN Li-Ying

doi:10.11720/wtyht.2022.2375

2022 Vol. 46, No. 1

Article Contents

Article navigation > Geophysical and Geochemical Exploration > 2022 > 46(1): 96-103

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XIAO Guan-Hua, ZHANG Wei, CHEN Heng-Chun, ZHUO Wu, WANG Yan-Jun, REN Li-Ying. 2022. Application of shallow seismic reflection surveys in the exploration of urban underground space in Jinan. Geophysical and Geochemical Exploration, 46(1): 96-103. doi: 10.11720/wtyht.2022.2375

Citation:

XIAO Guan-Hua, ZHANG Wei, CHEN Heng-Chun, ZHUO Wu, WANG Yan-Jun, REN Li-Ying. 2022. Application of shallow seismic reflection surveys in the exploration of urban underground space in Jinan. Geophysical and Geochemical Exploration, 46(1): 96-103. doi: 10.11720/wtyht.2022.2375

Application of shallow seismic reflection surveys in the exploration of urban underground space in Jinan

Liaohe Geophysical Exploratione Company Branch of BGP CNPC,Panjin 124010,China

Received Date: 03 August 2020

Revised Date: 20 February 2022

Publish Date: 25 February 2022

Abstract

Abstract

Shallow seismic reflection (SSR) surveys are an indispensable method in the exploration of urban underground space.Their exploration effects are affected by many aspects such as excitation,receiving factors,acquisition parameters,and processing methods,which should be systematically scientifically demonstrated and selected according to geological tasks.Taking an underground space exploration project in Jinan as an example,the authors discussed the method of improving the resolution of SSR surveys.Through the comprehensive analysis of the collected data,a reasonable seismic geological model was established.Based on this model,the forward analysis and illumination analysis were performed using the fluctuation equation of seismic data acquisition parameters,obtaining a high-density two-dimensional seismic observation plan.Meanwhile,high-resolution reflection images were obtained through the study on targeted data processing techniques such as pre-stack denoising,deconvolution,and velocity field optimization.Excellent exploration results have been achieved in the project.This study will provide reliable geophysical exploration data for the construction of the smart city in Jinan,and can serve as references for the implementation of SSR exploration in this area in the future.
- shallow seismic reflection survey /
- high resolution /
- geological model /
- data processing /
- smart city

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References

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