岩性油气藏 ›› 2013, Vol. 25 ›› Issue (3): 92–96.doi: 10.3969/j.issn.1673-8926.2013.03.016

• 技术方法 • 上一篇    下一篇

时频分析技术在地震勘探中的应用综述

庞锐,刘百红,孙成龙   

  1. 中国石化石油物探技术研究院,江苏南京211103
  • 出版日期:2013-06-01 发布日期:2013-06-01
  • 第一作者:庞锐(1978-),男,工程师,主要从事石油物探软件开发工作。地址:(211103)江苏省南京市江宁区上高路219 号。电话:(025)68109639。E-mail:pyxdxw@126.com
  • 基金资助:

    国家重大科技专项“煤层气地球物理勘探关键技术”(编号:2011ZX05035)资助

Review on time-frequency analysis technique and its application in seismic exploration

PANG Rui, LIU Baihong, SUN Chenglong   

  1. Sinopec Geophysical Research Institute, Nanjing 211103, China
  • Online:2013-06-01 Published:2013-06-01

摘要:

谱分解技术可将地震数据从时间域转换到频率域,从而获得在时间域无法得到的一些信息,提高地 震资料预测薄储层及岩性圈闭的能力。先进的谱分解技术是时频分析技术。首先阐述了时频分析技术的 基本原理、方法及其对地震资料处理与解释的重要意义,继而论述了近年来时频分析技术在地震勘探中 的具体应用领域,包括谱分解、谱反演、波形分类和分频处理等,并对其应用进行了展望。

关键词: 油气地质特征, 勘探前景, 东非鲁武马盆地

Abstract:

Spectral decomposition techniques can be used to extract some useful information in time-frequency domain which can not be found in conventional time domain, and improve the prediction ability of thin reservoir and lithologic traps. The key point of spectral decomposition is time-frequency analysis. This paper expounded the principle and method of time-frequency analysis technique and its significance to seismic data processing. Some application cases of time-frequency analysis technique in seismic exploration were presented to illustrate the progress of the application of time-frequency analysis in seismic exploration, including spectral decomposition, spectral inversion, waveform classification and frequency splitting processing. From the process we can see that the application of time-frequency analysis technique
in seismic exploration has a fine prospect.

Key words: petroleum geologic characteristics, exploration prospect, Rovuma Basin in East Africa

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