地震属性分析在高分辨率活断层地震勘探中的应用

通过分析影响地震属性的岩石物理特性及其在地震响应上的特征,获得地震波传播过程中地震振幅、层速度与裂缝层密度、泊松比、纵横波速度、孔隙度、压力的关系。同时,结合地震属性的分析技术,利用地震正演模拟的方法提高地震勘探数据解释结果精确度和可信度,为高分辨率的活断层地震勘探研究提供更为可靠的方法手段,提高了地震数据的处理解释精度。

Application of Seismic Attribution Analysis in the Shallow Seismic Prospecting Methods to Active Fault Detection

Based on the relationship between physical properties of rocks and seismic attributes,this paper analyzes the influential factors on the seismic amplitude and the wave velocity,which include density,Poission＇s ratio,P-wave velocity,S-wave velocity,porosity and pressure.By using seismic modeling method,seismic responding feature of the geological model were obtained.This technique can improve the accuracy and reliability of high-resolution seismic data interpretation,which is helpful for the high-resolution seismic data interpretation of active faults.