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应用地震波分频属性能较好地刻画储集层厚度在平面上的分布规律,但在实际应用中,单一的分频属性存在多解性,不能较好地预测储集层的厚度。在理论模型分析的基础上,利用多个单频属性进行线性回归,可预测储集层厚度。该方法在大王庄地区沙河街组二段储集层厚度预测中取得了良好的效果,预测结果与钻探结果具有较好的一致性,表明该方法在储集层厚度预测中具有很大的应用潜力。
The application of seismic wave frequency-division property can well characterize the distribution of reservoir thickness in the plane. However, in practice, the single frequency-division property has multi-solution and can not predict the reservoir thickness well. Based on the theoretical model analysis, the linear regression of multiple single-frequency attributes can be used to predict reservoir thickness. The method has achieved good results in the reservoir thickness prediction of the second member of Shahejie Formation in Dayangzhuang area. The prediction results are in good agreement with the drilling results, indicating that this method has a great application in reservoir thickness prediction potential.