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塔里木盆地寒武系白云岩地震处理技术应用及效果——以塔北英买32地区中下寒武统为例

Keywords: 寒武系,白云岩,谱约束反褶积,τ—p变换,网格层析反演,tti逆时偏移

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Abstract:

?塔里木盆地寒武系白云岩分布广、厚度大,是塔里木盆地油气勘探的重要接替领域|由于寒武系白云岩埋藏深、勘探程度低,针对性地震处理技术尚不成熟。以塔北英买32地区为例,基于地震资料特点分析及寒武系白云岩地层与其他地层地震响应特征的差异性分析,采用多方法探索及应用效果对比,开展针对性的地震处理技术研究。形成了以谱约束反褶积、τ—p变换噪音压制、网格层析反演速度建模、tti各向异性建场、逆时偏移为主的寒武系白云岩针对性地震处理技术系列,为寒武系白云岩的构造解释、储层预测等研究提供高品质地震资料。

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