spot index meaning in Chinese

现货指数

Through the comparison between test and commission of low water - cut oil layers and the analysis of electric property and logging display characteristics , this paper brings forward the methods for identifying oil layer , low water - cut oil layers and oil and water layers , namely , through the comparison between natural potential and natural gamma as well as the varieties of oil saturation , electric resistivity , curve shape of hydrocarbon , volumetric coefficient and geochemical bright spot index to identify the layers
通过对低含水油层的试油与投产对比，对电性、录井显示特点的分析，提出了用测井自然电位与自然伽马对比、含油饱和度、电阻度、气测全烃曲线形态、灌满系数、地化亮点指数的变化等识别油层、低含水油层、油水同层的方法。