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利用常规测井资料确定含水率，是测井解释的一个难点。以含水率直线模型为基础，分析了含水率解释过程中复杂的影响因素，认为剩余油饱和度、原油粘度和油层渗透率的变化对含水率的解释精度影响较大。这是因为含水率是由油层各种性质所决定的综合性参数，其解释并不是一个单纯的测井计算问题，其精度取决于基础方程的可靠性以及基础参数选取的准确程度。
Determining moisture content using conventional well logging data is a difficult point to log interpretation. Based on the linear model of moisture content, the complicated influencing factors in the process of water content interpretation are analyzed. It is considered that the variation of residual oil saturation, crude oil viscosity and reservoir permeability has a great influence on the interpretation accuracy of water content. This is because the moisture content is a comprehensive parameter determined by various properties of the reservoir. Its interpretation is not a pure logging calculation problem. Its accuracy depends on the reliability of the foundation equation and the accuracy of the selection of the basic parameters.