研究了3种解释剩余油饱和度的方法,一是利用完井时电阻率测井资料,采用阿尔奇公式计算含水饱和度,进而求得剩余油饱和度;二是利用中子寿命测井资料来确定剩余油饱和度;三是由油水相对渗透率、综合利用生产测井产液剖面求得的综合产水率等资料确定剩余油饱和度。将3种方法有效结合起来,综合分析评价了轮南油田层间剩余油饱和度的分布,取得了较好的应用效果。 Three methods to explain residual oil saturation are studied. One is to calculate residual water saturation by using Resistivity log data during well completion and Archie formula to calculate residual water saturation. Second, using neutron lifetime log data To determine the remaining oil saturation; the third is the relative permeability of oil and water, the comprehensive utilization of production well logging fluid production obtained from the comprehensive rate of water and other data to determine the remaining oil saturation. Combining these three methods effectively, the distribution of residual oil saturation in the interlayer of Lunnan Oilfield was comprehensively evaluated and achieved a good application effect.