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反射槽波绕射偏移成像及应用

姬广忠

姬广忠. 反射槽波绕射偏移成像及应用[J]. 煤田地质与勘探, 2017, 45(1): 121-124. doi: 10.3969/j.issn.1001-1986.2017.01.024
引用本文: 姬广忠. 反射槽波绕射偏移成像及应用[J]. 煤田地质与勘探, 2017, 45(1): 121-124. doi: 10.3969/j.issn.1001-1986.2017.01.024
JI Guangzhong. Diffraction migration imaging of reflected in-seam waves and its application[J]. COAL GEOLOGY & EXPLORATION, 2017, 45(1): 121-124. doi: 10.3969/j.issn.1001-1986.2017.01.024
Citation: JI Guangzhong. Diffraction migration imaging of reflected in-seam waves and its application[J]. COAL GEOLOGY & EXPLORATION, 2017, 45(1): 121-124. doi: 10.3969/j.issn.1001-1986.2017.01.024

反射槽波绕射偏移成像及应用

doi: 10.3969/j.issn.1001-1986.2017.01.024
基金项目: 

国家科技重大专项课题(2011ZX05040-002)

详细信息
    第一作者:

    姬广忠(1983-),男,山东菏泽人,博士研究生,助理研究员,从事槽波地震及地震波数值模拟研究工作.E-mail:jiguangzhong@cctegxian.com

  • 中图分类号: P631.4

Diffraction migration imaging of reflected in-seam waves and its application

Funds: 

National Science and Technology Major Project(2011ZX05040-002)

  • 摘要: 反射槽波能够探测煤层中的小构造,但反射槽波信噪比低,探测效果不理想。为改进成像质量,分析了适用于反射槽波的预处理技术,从理论和实际应用两方面,通过三维槽波数值模拟和实际数据处理应用,验证了反射槽波绕射波偏移方法的有效性。结果表明:应用绕射波偏移方法时,需对反射槽波做Hilbert变换,使之适应槽波的特殊情况;绕射偏移时只需要一个速度,槽波速度基本恒定,槽波绕射偏移方法相对地面地震有独特优势。

     

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出版历程
  • 收稿日期:  2016-03-16
  • 刊出日期:  2017-02-25

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