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饱和度是储层评价的重要参数之一,饱和度模型一直都是测井解释评价研究的重点与难点.几十年来,随着勘探开发面临的油气储层不断复杂化,饱和度模型的内涵和形式也趋向多样化.系统梳理和研究饱和度模型的发展脉络和典型形式,有助于测井分析家正确认识各典型模型的来源、适用性和局限性.本文在国内外文献资料调研基础上,根据储层对象地质特征和研究思路的不同,将饱和度模型总结划分为纯砂岩饱和度模型、泥质砂岩饱和度模型和复杂孔隙结构储层饱和度模型三大类,并分析每类饱和度模型的演化过程、导电形式和应用范围,提出了今后从导电机理、数值模拟和岩石物理实验等方面进行深入研究的领域方向.
Saturation is one of the most important parameters in reservoir evaluation, and saturation model has always been the key and difficult point in logging interpretation and evaluation.As decades have passed, oil and gas reservoirs in exploration and development have become increasingly complicated and the connotation of saturation model And the forms also tend to diversify.Combining and studying the development vein and typical forms of the saturation model systematically helps the logging analysts to correctly understand the origin, applicability and limitations of each typical model.This paper based on the literature research at home and abroad According to the difference of the geological characteristics and research ideas of reservoir objects, the saturation model is divided into three categories: pure sandstone saturation model, shaly sandstone saturation model and complex pore structure reservoir saturation model, The evolution of saturation model, the form of conduction and the scope of its application, the direction of future research on conducting mechanism, numerical simulation and rock physics experiment are put forward.