APPLICATION OF FRACTAL THEORY IN HIGHRESOLUTION PROCESSING OF SEISMIC DATA

doi:10.7623/syxb200002006

Editorial office of ACTA PETROLEI SINICA ›› 2000, Vol. 21 ›› Issue (2): 31-35.DOI: 10.7623/syxb200002006

• Petroleum Exploration • Previous Articles Next Articles

APPLICATION OF FRACTAL THEORY IN HIGHRESOLUTION PROCESSING OF SEISMIC DATA

MENG Qing-wu¹

Daqing Petroleum Exploration & Development Research Institute

Received:1999-02-14 Revised:1999-05-24 Online:2000-03-25 Published:2010-05-21

分形理论在高分辨处理中的应用

孟庆武¹, 李成斌¹, 李强¹, 程虎²

1. 大庆石油管理局勘探开发研究院, 黑龙江大庆163712;
2. 中国科学院软件研究所, 北京100080

作者简介:盂庆武,男,1968年7月生.1990年毕业于大庆石油学院.现为大庆石油勘探开发研究软件室工程师、中国科学院软件研究所在职博士生.通讯处:黑龙汀省大庆市.

Abstract

Abstract: At present,deep strata is the important field of natural gas exploration.Low resolution and low signal-noise ratio are big obstacles in the way of increasing the accuracy and level of deep strata exploration.According to seismic wave transmission theory,fractal method is adopted to combine seismic data with sonic log data together.A software package was developed to recover the high frequency of seismic that has been attenuated by strata absorption.Processed seismic data show the real underground structure in detail.Substantial seismic data has been processed and analysed in Wangjiatun-Shengping area and Gulong area.It shows that this software package is effective in enhancing the resolution and increasing the signal-noise ratio of seismic data.

Key words: deep strata, strata absorption, spectrum exponential, strata dimension, fractal theory, high resolution processing

摘要： 深层是目前天然气勘探的重要领域.深层地震反射资料分辨率、信噪比低是制约进一步提高深层勘探精度,加大深层勘探力度的重要因素.根据地震波传播机理,利用分数维理论将地震与声波测井资料紧密结合起来,开发研制了一套高分辨率处理软件包,恢复由于地层吸收等作用而衰减的高频成分,反映地下真实结构,提高地层分辨能力.汪家屯-升平及古龙地区大量的地震资料处理及分析表明,该软件包是有效的,使深层地震反射资料分辨率与信噪比明显提高.

关键词: 深层, 地层吸收, 谱指数, 地层维数, 分形分维, 高分辨率处理

CLC Number:

P631.825

MENG Qing-wu. APPLICATION OF FRACTAL THEORY IN HIGHRESOLUTION PROCESSING OF SEISMIC DATA[J]. Editorial office of ACTA PETROLEI SINICA, 2000, 21(2): 31-35.

孟庆武, 李成斌, 李强, 程虎. 分形理论在高分辨处理中的应用[J]. 石油学报, 2000, 21(2): 31-35.

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APPLICATION OF FRACTAL THEORY IN HIGHRESOLUTION PROCESSING OF SEISMIC DATA

分形理论在高分辨处理中的应用

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