According to the statistics formula between the ratio of capillary pressure to threshold pressure (Pc/Pe) and the effective wetting-phase saturation(S*wt) established by Brooks R. H. and Corey A.

• 根据Brooks R H和Corey A T建立的毛管压力同阈压之比(P_c/P_e)与有效湿相饱和度S_(wt)之间的统计公式提出一种计算平均毛管压力曲线的方法.