QUANTITATIVE SEISMIC FACIES ANALYSIS AND SANDBODY PREDICTION ON THE UPPER PART OF THE GUANTAO FORMATION(UPPER TERTIARY)IN CHENGDAO OILFIELD
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摘要: 本文利用研究区的三维地震资料,对反映沉积相的特征地震参数进行了提取,应用地质综合参数转换法和单地震参数法建立了埕岛油田馆陶组上段地层的复合沉积旋回和单旋回地震-沉积亚相数值模型,并分别从砂岩组和单砂层两个方面对砂体进行了预测和评价,研究结果与实际钻探发现吻合较好.Abstract: In this paper,the characteristic seismic parameters of sedimentary facies are calculated from 3-D seis mic data of the study area,the mathematical models of composite sedimentary cycles and single seismic sedimentary subfacies cycles for the upper part of the Guantao Formation(Late Tertiary)in Chengdao oil field are established by means of the Integrated Seismic Parameter Conversion Method and the Monoseis mlc Parameter Method,and the prediction and evaluation on sandbody for sandstone sets and single sand beds are accomplished,respectively.The results yielded are compatible with the practical drilling data ob tained.
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