摘要
渤海油田曹妃句X构造浅层普遍发育着厚套砂体,传统的90°相移技术及叠后波阻抗反演技术均难以准确刻画砂体的顶底,通过分析认为是由于地震资料子波非零相位化引起反射假象,从而造成砂体描述困难°通过转变传统研究思路,创新地提出了基于地震资料零相位校正的叠后地质统计学反演方法。反演结果有效地解决了X-721厚套砂体的"分叉"、X-1400砂底不准确和测试高产层X-1470砂体"不亮"的三大难题,与实钻结果吻合关系好,实现了对厚砂体的精细刻画,为砂体描述工作提供了强有力的支持,并为储量计算奠定基础。同时该方法可推广应用于其他类似地区。
引文
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