多波联合解释提高四川盆地震旦系储层预测的精度
Computing Techniques for Geophysical and Geochemical Exploration（2017）
Abstract
随着研究和钻探的深入,越来越认识到四川盆地川中PLN地区震旦系灯影组复杂的地质背景和储层的非均质性.震旦系灯影组反射特征多变,且存在低速的硅质云岩,其纵波阻抗与储层接近,利用单一纵波无法区分硅质与储层,储层预测难度较大.通过测井数据统计和模型正演综合分析得出,横波阻抗可以有效地识别储层和硅质云岩.通过对实际多波资料的层位标定和层位匹配,联合对比解释纵波和转换波地震剖面,能够有效地识别储层,提高储层预测的精度.
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Key words
converted wave layer calibration,multi wave layer matching,multi wave reservoir prediction
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