杨晓东,唐书恒,王建青,魏巍

• 1:山西省煤炭地质物探测绘院
• 2:中国地质大学(北京)

摘要(Abstract)：

沁水煤田许多矿区煤层稳定、倾角较小,一般小于15°,基于相似性或特征值算法的煤层反射波相干、方差属性应用效果较好。然而在部分矿区,煤层背斜、向斜两翼倾角较大时,相干、方差属性的效果较差,表现为地质异常体边界迷糊,横向分辨率较低,达不到预期的效果。在对LB矿区三维地震资料解释过程中,通过对数据体提取基于相似性或特征值的相干、方差、振幅、倾角、混沌等属性,进行属性分析、优选时,发现在煤层倾角较大的地段,基于几何结构张量算法的混沌体属性切片能够很好的反映断层、陷落柱异常,规避地层倾角对属性结果的影响,帮助解释人员准确快速地圈定各类异常区,对地震属性的应用有积极的参考意义。

关键词(KeyWords)： 三维地震;构造解释;混沌体;陷落柱;沁水煤田

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金项目(U1910205);; 晋中市科技重点研发计划(工业)(Y201013)

作者(Author): 杨晓东,唐书恒,王建青,魏巍

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