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鄂尔多斯盆地苏6加密试验区块盒8段储层地质建模研究

Keywords: 储层建模,低渗透,有效储层,苏6加密试验区块,鄂尔多斯盆地

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Abstract:

?为准确预测鄂尔多斯盆地苏6加密试验区块盒8段有效储层的空间分布,利用苏6加密试验区块的地质、测井和生产动态资料,建立了包括地层格架、构造、沉积和储层属性等子模型在内的储层地质模型。研究表明,苏6加密试验区块盒8段为河流相沉积环境,储层砂体的成因类型包括点坝、心滩、河道等,呈南北向带状展布,横向尖灭快。储层孔隙度分布范围为3%~15%,渗透率为(0.1~2)×10-3μm2,是典型的低孔低渗储层,储层非均质性强。应用储层地质模型,可以直接预测有效储层的空间分布,为气田开发井网的部署和调整提供地质依据。

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