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综合测井方法在二连盆地镶黄旗地区地浸砂岩型铀矿勘探中的应用 被引量:3

The application of comprehensive geophysical logging for in-situ leachable sandstone-type uranium deposit prospecting in the southeast edge of Erlian basin
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摘要 利用综合测井资料获取的岩石物性参数特征(包括视电阻率、自然电位、密度、声波时差、井径和自然伽马等多项参数,分析统计视电阻率划分岩性和地层,自然电位确定泥岩基线和区分渗透和非渗透地层,自然伽马定量解释铀含量等),对二连盆地镶黄旗地区潜水氧化成矿进行了分析。通过对测区内一百多个钻孔的综合测井资料统计分析,总结出该区内岩石物性参数特征,利用岩石物性参数特征划分岩性、地层,并分析沉积环境特征,为以后该区内快速识别岩性、地层和沉积相提供依据,对可地浸砂岩型铀矿找矿具有重要意义。 Based on the analysis of characteristics of physical parameters by using comprehensive logging data of apparent resistivity, spontaneous potential, density, acoustic transit time, caliper log and natural gamma, lithology unit and strata were divided by statistics and analysis of apparent resistivity. The base line of the mudstone, the permeability and non permeable formations were differentiated by spontanous potential and explaining uranium content was quantitatively estimated by narural gamma. These parameters was used to analyse mineralization of Xianghuangqi area of Erlian basin. Through statistical analysis of comprehensive logging information of hundreds drilling in the working area, this paper summarized the characteristics of petrophysical parameters, divided lithologic unit and stratum based on the physical parameters, analyzed the characteristics of sedimentary environment. It is important for the exploration of in-situ leaching sandstone-type uranium deposit of this area in the future.
出处 《世界核地质科学》 CAS 2016年第3期167-171,177,共6页 World Nuclear Geoscience
关键词 综合测井 物性参数 沉积环境 comprehensive logging physical parameter sedimentary environment
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