OALib Journal期刊
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柴达木盆地小梁山地区混积岩储层测井评价
Keywords: 储层预测,混积岩,测井,岩性,柴达木盆地,小梁山
Abstract:
?柴达木盆地小梁山地区狮子沟组、上油砂山组沉积具有明显的混积特征。针对混积岩储层岩性复杂的特点,对据岩心分析确定的岩性名称以测井评价为目的重新进行分类,主要分为泥岩类、砂岩类及碳酸盐岩类,其中碳酸盐岩类又可分为泥晶灰岩类和藻灰岩类。藻灰岩类是最好的储层,但单层厚度较小;砂岩类和泥晶灰岩类在孔隙结构较好情况下可成为储层,单层厚度一般较大。这几种不同岩性储层在测井响应特征上有较明显差异,通过组合图板法并结合测井资料可将其有效区分。
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