According to the data of core analysis, it is proposed that the m and n of the Archie formula must be calculated or selected with actual shaliness and water salinity of the formation while calculating water saturation with Archie Formula.

• 本文以岩心实验数据为依据，提出了利用阿尔奇公式计算泥质砂岩地层的含水饱和度时，根据地层的实际泥质含量及地层水矿化度计算或选择其胶结指数和饱和度指数的方法。