曲流河储集层地震预测技术在港东地区的应用
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摘要
针对港东地区明化镇组地层河道纵横叠置、储集层变化快、单砂体厚度薄的特点,综合应用拓频处理、储层标定、地震剖面追踪、多属性分析、频谱分解等手段开展了储层预测,成功描述了港东地区曲流河河道发育特征,揭示出多个潜力目标区。据此部署井位,实施后储层钻遇率高,证明该套技术有效可行,能够提高储层预测精度。
Aiming at reservoir characteristics of Minghuazhen formation in Gangdong area,namely vertically and horizontally superimposed channels,big reservoir changes and thin single sand body thickness,the research on reservoir prediction has been carried out by comprehensively applying frequency-extended processing,reservoir calibration,seismic profile tracking,multi-attribute analysis and spectrum decomposition methods.The research successively described the development features of meandering rivers in Gangdong area and revealed multiple potential target zones.According to the results,the well location plan was deployed.After the implementation,the reservoir drilling encounter rate is high,which proves that this set of technology is effectively feasible and can improve the precision of reservoir prediction.
引文
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