Multi-component Seismic Data Acquisition and Analysis using Physical Modeling

Kyoungmin Lim; Sungryul Shin; Wookeen Chung; Daechul Kim

doi:10.32390/ksmer.2021.58.4.269

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2021 Vol.58, Issue 4 Next Page

Research Paper

Multi-component Seismic Data Acquisition and Analysis using Physical Modeling 축소모형 실험을 이용한 다성분 탄성파 자료 취득 및 분석 연구

31 August 2021. pp. 269-280

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Abstract

Multi-component seismic survey is the method for acquiring various component data by generating P and S wave sources and using 3-axis receivers. The multi-component data is advantageous over P waves in obtaining additional information. However, there have been difficulties in the data processing and interpretation of multi-component data. In this study, as a prior study, a single channel 9-component seismic physical modeling was carried out on a model with faults and channels filled with air, water, and mineral oil. The applicability of the 9-component physical modeling was confirmed through characteristic analysis. Characteristics found in the field data were provided. A bright spot which is one of the gas reservoir indicators appeared in the P-P component data. The P and S wave component data was compared to the injected fluid in the time-frequency domain.Through the features of the data, the applicability of 9-component seismic physical modeling was confirmed. The results of this study can be used as a basis for multi-component seismic physical modeling data.

Keywords

Multi-component seismic survey

seismic physical modeling

P wave

S wave

다성분 탄성파 탐사는 P파 또는 S파를 발생시킬 수 있는 음원과 3축 수신기를 이용하여 다양한 성분의 자료를 취득할 수 있는 탐사 방법이다. 다성분 자료는 P파 만을 이용한 탐사 자료에 비해 더 많은 정보를 얻을 수 있는 장점이 있으나 P파 자료에 비해 처리 및 분석이 어렵다. 본 연구에서는 다성분 자료의 처리 및 분석에 관한 선행 연구로서 축소모형 실험을 이용하여 단층과 채널이 있는 모델에서 채널 내에 공기, 물, 미네랄 오일을 주입하여 단일채널 9 성분 탄성파 자료를 취득하였으며 자료에 나타나는 특성을 분석하여 9 성분 탄성파 축소모형 실험의 현장성을 확인하고자 하였다. 취득된 자료에서 현장 탄성파 자료에 나타나는 회절, 다중반사파, SH 성분의 특성과 같은 현상이 확인되었다. P-P 성분 자료에서 가스 저류층 지시자 중 하나인 명점이 확인되었다. 또한 P파 및 S파 성분 자료를 시간-주파수 영역에서 비교하였다. 취득된 자료에 나타나는 특성으로부터 9 성분 탄성파 축소모형 실험의 적용성을 확인할 수 있었다. 본 연구 결과는 다채널 다성분 탄성파 축소모형 연구의 기초 자료로 활용될 수 있을 것으로 기대된다.

키워드

다성분 탄성파 탐사

탄성파 축소모형 실험

P파

S파

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Information

Publisher :The Korean Society of Mineral and Energy Resources Engineers
Publisher(Ko) :한국자원공학회
Journal Title :Journal of the Korean Society of Mineral and Energy Resources Engineers
Journal Title(Ko) :한국자원공학회지
Volume : 58
No :4
Pages :269-280
Received Date : 2021-03-04
Revised Date : 2021-07-16
Accepted Date : 2021-08-26
DOI :https://doi.org/10.32390/ksmer.2021.58.4.269

Journal of the Korean Society of Mineral and Energy Resources Engineers ISSN:2288-0291(Print) 2288-2790(Online) 한국자원공학회지

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