油藏物理学一相对渗透率 5.Mobility ratio M M= themobilityofdisplacingfluid themobilityofdisplacedfluid If water displace oil in the porous media, λw M KeLw 2oK。/4。themobilityofdisplacedfluid themobilityofdisplacingfluid M  油藏物理学——相对渗透率 5. Mobility ratio M o o w w K K o w M     / /   If water displace oil in the porous media