·150 北京科技大学学报 第36卷 20 18 16 16 1 14 12 10 6 1012141618 20 4 6 8101214161820 00.10.2030.4050.60.70.80.91.0 00.1020.30.40.50.60.70.80.91.0 a 图7不同平均喉道半径孔隙剩余油饱和度分布.(a)r=5m:(b)r=10m Fig.7 Saturation distribution of remaining oil in pores for different average throat radius:(a)r=5 um:(b)r=10 um 20 18 18 16 12 2 10 10 2 4 6 810121416 18 20 2 4 6 8 101214161820 00.10.20.30.40.50.60.70.80.91.0 00.1020.30.40.50.60.70.80.91.0 (a) (b) 图8不同润湿比例孔隙剩余油饱和度分布.(a)3:1:(b)1:1 Fig.8 Saturation distribution of remaining oil in pores for different wetting proportions:(a)3:1:(b)1:I 0 20 18 6 6 14 12 0 4 6 81012141618 20 2 4 681012141618 20 00.1020.30.40.50.60.70.80.91.0 00.10.2030.40.50.60.70.80.91.0 (m) b 图9分子作用影响下的孔隙剩余油饱和度分布.()考虑分子作用：()不考虑分子作用 Fig.9 Saturation distribution of remaining oil in pores under solid-iquid intermolecular force:(a)do not consider molecular force:(b)consider molecular force北 京 科 技 大 学 学 报 第 36 卷 图 7 不同平均喉道半径孔隙剩余油饱和度分布． ( a) r = 5 μm; ( b) r = 10 μm Fig． 7 Saturation distribution of remaining oil in pores for different average throat radius: ( a) r = 5 μm; ( b) r = 10 μm 图 8 不同润湿比例孔隙剩余油饱和度分布． ( a) 3∶ 1; ( b) 1∶ 1 Fig． 8 Saturation distribution of remaining oil in pores for different wetting proportions: ( a) 3∶ 1; ( b) 1∶ 1 图 9 分子作用影响下的孔隙剩余油饱和度分布． ( a) 考虑分子作用; ( b) 不考虑分子作用 Fig． 9 Saturation distribution of remaining oil in pores under solid-liquid intermolecular force: ( a) do not consider molecular force; ( b) consider molecular force · 051 ·