With the replacement pressure information obtained from the relation, the variability of capillary seal ability of mudstone caprock in section plane and in areal plane can be studied.

• 根据此关系 ,利用声波时差可获得大量的排替压力信息 ,据此不仅可以研究泥岩盖层毛细管封闭能力的剖面变化特征 ,而且还可以研究泥岩盖层毛细管封闭能力的平面变化特征。