油藏物理学—相对渗透率 4.Mobility and mobility ratio s K。 山。 are respectively water mobility and oil mobility,and show the degree fluid flowing through porous media. The moreo,the more the degree4. Mobility and mobility ratio 油藏物理学——相对渗透率 o o o w w w K K      ,  λw、λo are respectively water mobility and oil mobility, and show the degree fluid flowing through porous media. The more λw、λo , the more the degree