新疆石油地质

新疆石油地质 ›› 2005, Vol. 26 ›› Issue (6): 701-703.

• 应用技术 • 上一篇    下一篇

盒子波调查技术在塔中沙漠区的应用

卫东1,2, 倪良建3a, 田雨东3b   

  1. 1.浙江大学,杭州 310000;
    2.中国石化 中原石油勘探局 物探公司,河南 濮阳 457001;
    3.中国石化 中原油田分公司 a.物探研究院; b.西部勘探公司,河南 濮阳 457001
  • 收稿日期:2005-05-16 出版日期:2005-12-01 发布日期:2020-11-23
  • 作者简介:卫东(1967-),男,河南濮阳人,在读硕士研究生,石油地质,(Tel)0393-4822490.

Application of Square Array of Geophone to Desert Tazhong Area, Tarim Basin

WEI Dong1,2, NI Liang-jian3a, TIAN Yu-dong3b   

  1. 1. Zhejiang University, Hangzhou, Zhejiang 310000, China;
    2. Geophysical Prospecting Co., Zhongyuan Petroleum Geophysical Exploration Bureau, Sinopec, Puyang, Henan 457001, China;
    3. Zhongyuan Oilfield Company, Sinopec, Puyang, Henan 457001, China: a.Research Institute of Geophysical Prospecting; b.West Exploration Co
  • Received:2005-05-16 Online:2005-12-01 Published:2020-11-23

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摘要： 塔里木盆地的信噪比低,干扰波是影响深层信噪比的主要因素之一。由于塔里木盆地的地表地下地质情况十分复杂,不同的表层结构、不同的沙丘形态、不同的激发条件所产生的噪声类型、噪声水平也不同。降低干扰、突出深 层有效弱信号,是深层地震勘探的关键。在分析该区干扰波特征、定量估算地震资料信噪比的基础上,对地震勘探中的采集参数进行了论证,寻找出提高信噪比的地震勘探方法,对于加快塔里木盆地的油气勘探起着至关重要的作用。

关键词: 塔里木盆地, 地震勘探, 干扰波, 信噪比, 组合检波

Abstract: The signal-to-noise ratio of r is low in Tarim basin. The interference wave is one of the main factors affecting the deep layer signal-to-noise ratio. Because of complexity of the geologic conditions of the surface and underground in Tarim basin, the noisy type and intensity are varied in different surface structures, different sand dune appearances and different shooting conditions. Hence, the key for deep seismic prospecting is how to reduce the noises and improve the effective weak signals in deep layer. On the basis of analysis of the interference wave characteristic and the quantitative estimation of the signal-to-noise ratio from seismic data, this paper demonstrates the acquisition parameters from the seismic prospecting, presents the method for improving the signal-to-noise ratio, which will play a significant part in accelerate oil-gas exploration in Tarim basin.

Key words: Tarim basin, seismic prospecting, interference wave, signal-to-noise ratio, squire array

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