井源距VSP资料在煤层气勘探中的应用研究

严又生, 许增魁, 宜明理, 魏新, 倪新辉, 孙德泉

严又生, 许增魁, 宜明理, 魏新, 倪新辉, 孙德泉. 井源距VSP资料在煤层气勘探中的应用研究[J]. 煤田地质与勘探, 2002, 30(2): 54-57.
引用本文: 严又生, 许增魁, 宜明理, 魏新, 倪新辉, 孙德泉. 井源距VSP资料在煤层气勘探中的应用研究[J]. 煤田地质与勘探, 2002, 30(2): 54-57.
YAN You-sheng, XU Zeng-kui, YI Ming-li, WEI Xin, NI Xin-hui, SUN De-quan. Application study of 3-C offset VSP data in coalbed gas exploration[J]. COAL GEOLOGY & EXPLORATION, 2002, 30(2): 54-57.
Citation: YAN You-sheng, XU Zeng-kui, YI Ming-li, WEI Xin, NI Xin-hui, SUN De-quan. Application study of 3-C offset VSP data in coalbed gas exploration[J]. COAL GEOLOGY & EXPLORATION, 2002, 30(2): 54-57.

 

井源距VSP资料在煤层气勘探中的应用研究

详细信息
    作者简介:

    严又生(1958—),男,江西宜春市人,石油物探局研究院高级工程师,从事地球物理勘探工作.

  • 中图分类号: P631.8+1

Application study of 3-C offset VSP data in coalbed gas exploration

  • 摘要: 对于非零井源距VSP三分量数据,通过旋转和域变换进行波场分离、拾取初至旅行时反演地层层速度、利用基于Fermat原理的射线追踪算法进行深度域纵横波成像、综合利用地震波的运动学和动力学特征估算吸收系数等手段,在山西某井区非零井源距VSP数据处理过程中对储层进行更深入和精细的研究和解释,取得了良好的效果。
    Abstract: Using 3 C offset VSP data,many results can be achieved by using following techniques.The techniques include 3 C rotation,wave field separation with domain transform,interval velocity inversion with picked first break,VSP wave depth imaging with ray tracing algorithm,which is based on Fermat's principle and absorption coefficient estimated with combination of seismological kinematic and dynamic properties.The techniques have been successfully applied to offset VSP data from an area in Shanxi and good processing results have been obtained.These results show that it is helpful to make full use of the data extracted from VSP wave field for detailed reservoir study and interpretation.
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出版历程
  • 收稿日期:  2001-05-15
  • 网络出版日期:  2023-03-30

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