【摘 要】
：
以准噶尔盆地春光区块的具体地质条件为例,针对不同的岩性结构建立波阻抗模型进行正演模拟分析,优选出特定岩性结构条件下最能反映储层信息的地震同相轴,据此提取地震振幅属
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以准噶尔盆地春光区块的具体地质条件为例,针对不同的岩性结构建立波阻抗模型进行正演模拟分析,优选出特定岩性结构条件下最能反映储层信息的地震同相轴,据此提取地震振幅属性,可有效预测储层的展布。研究结果表明,春光区块厚层泥岩夹薄层砂岩的地震响应表现为三个地震反射同相轴,可以追踪此三个地震同相轴并提取沿层的振幅地震属性,预测储层的展布。当储层位置临近强反射界面时,由于强反射界面会对邻近储层的地震响应特征形成较强干扰,可以考虑通过正演模拟研究,在远离强反射界面干涉范围的位置寻找储层的地震响应特征。厚层板砂顶部分异油
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