构建油库成品油存量安全系数模型计算存量安全系数,有利于量化油库成品油库存安全程度。某油库成品油存量安全系数与该油库历史值对比,可得到纵向相对安全程度;与其他油库存量安全系数值对比,可得到横向相对安全程度。在模型建立方面,从进、销、存的维度找出影响油库成品油库存安全程度的9个因素,在对比层次分析法(Analytic Hierarchy Process，AHP)和基于指标相关性的指标确定方法(Criteria Importance Though Intercrieria Correlation,CRITIC)的优缺点后,采用AHPCRITIC混合法确定各影响因素权重；在模型应用方面,具体说明确定油库成品油库存相对安全程度的方法。通过模型应用,管理者可方便、实时、精确地掌握各油库成品油库存相对安全程度,以便做出及时合理的油库经营管理决策。

It is beneficial to quantify the safety factor of oil products inventory by developing a model to calculate inventory safety coefficient. In practice, the vertical and horizontal results of inventory safety coefficient comparison can be used in describing the relative degree of safety of a depot. The vertical relative degree of safety can be obtained by comparing the inventory safety coefficient values with historical data of the depot; the horizontal comparison value can be obtained by comparing the inventory safety coefficient values with those of other depots. In modeling, 9 factors affecting the safety coefficient are identified from 3 sectors, namely supply, sales and storage. On the basis of considering the advantages and disadvantages of AHP (Analytic Hierarchy Process) and CRITIC (CRiteria Importance Through Inter-criteria Correlation) methods, the AHP-CRITIC hybrid method is used to determine the weight of each influencing factor. In model application, the method of determining the relative degree of safety of the oil products inventory level of the depot is explained. Through the application of the model, managers can grasp the relative degree of safety of each oil products inventory in a real-time and accurate manner, so as to make timely and rational management decisions.