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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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川黔地区页岩复电阻率的频散特性
Keywords: 页岩气勘探,可控源电磁法,有机碳含量,复电阻率,极化率,矿物成分
Abstract:
？页岩气是重要的非常规油气资源。通过在实验室对川黔地区的深色页岩样品进行宽频带电性参数测量发现，岩样的复电阻率的频散特性与其有机碳含量具有一定的相关性。利用双柯尔—柯尔(cole-cole)模型对实验数据进行反演，提取到页岩样品的零频电阻率和极化率两个主要参数。结合样品的岩矿分析结果，初步确认页岩样品中的黄铁矿微颗粒是引起深色页岩在低频段呈现高极化率异常的主要因素，而这些微黄铁矿颗粒可能与深水条件下的有机质富集有因果关系。根据深色页岩复电阻率参数的这一特征，可为利用可控源电磁勘探方法勘查页岩储层提供依据。
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| [12] | kavianm,slobecandmulderwa.anewempiricalcomplexelectricalresistivitymodel.geophysics,2012,77(3):e185-e191.
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