This paper presents some qualitative evaluation methods, new model S B to calculate water saturation has been used and actual data of well Qu 10 verify that this model is better than Archie formula.

• 介绍了定性评价方法。 在定量解释中，用S－B新模型计算含水饱和度，用曲10井的实际资料验证认为此模型比阿尔奇公式好。