浅层纵横波联合勘探在活动断层探测中的应用

doi:10.11720/wtyht.2019.1304

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Abstract

In tackling the technical difficulties of deep and shallow consideration in active fault exploration,the authors achieved good exploration results through the application of shallow seismic P/S wave reflection combined exploration.The fault identified by this method is proved to be reliable by drilling.In this paper,the key technology and parameters selection of field data acquisition,data processing and stacked section interpretation are described.Engineering practice proves that the geophysical exploration combination method described in this paper is effective and reliable in active fault detection,and can effectively find out the plane position and spatial distribution of active faults in the buried area,thus providing a scientific geophysical basis for earthquake prevention and disaster reduction in cities and towns.

Key words： seismic exploration P-wave reflection S-wave reflection combined exploration active faults

Received: 21 August 2018 Published: 31 May 2019

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	Articles by authors
	Hao-Shou AN
	Chuan-Gen LUO

Cite this article:

Hao-Shou AN,Chuan-Gen LUO. The application of combined exploration of shallow P-wave and S-wave to active fault detection[J]. Geophysical and Geochemical Exploration, 2019, 43(3): 543-550.

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https://www.wutanyuhuatan.com/EN/10.11720/wtyht.2019.1304 OR https://www.wutanyuhuatan.com/EN/Y2019/V43/I3/543

Velocity parameter

Spectrum analysis of single shot before(up) and after(down) deconvolution

Stacked time section before(a) and after(b) deconvolution

Stacked time section before(a) and after(b) residual statics

Stacked time section before(a) and after(b) denoising

The seismic time section of P-wave reflection

The seismic time section of S-wave reflection

The composite drilling geological section

The seismic depth section of S-wave reflection

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