西安石油大学：《油藏物理（油层物理学）Petro-physics》精品课程教学资源（英文课件）Flow 3.1 wettability and the distribution of oil and water in the porous media 油藏岩石的润湿性及油水分布

油藏物理学一油藏岩石的润湿性及油水分布 81 2 2 77> 3 00<0<900 0=900 900<0<1800 Water wet neutral wet Oil wet

油藏物理学——油藏岩石的润湿性及油水分布 0 0<θ<900 Water wet θ=900 neutral wet 900<θ<1800 Oil wet

Wettability not only depends on the properties of solid surface but also depends the composition of fluid and temperature and pressure.It is complex parameter

Wettability not only depends on the properties of solid surface but also depends the composition of fluid and temperature and pressure. It is complex parameter

油藏物理学一油藏岩石的润湿性及油水分布 Essence of wettability When the interfacial tension attain balance o=0+09 g12 2 023-O13=O12C0S0=Ag23 3 012 A-wet tension means specific surface energy reduce because of water-wet

油藏物理学——油藏岩石的润湿性及油水分布 Essence of wettability When the interfacial tension attain balance  23   12  13  23 13 12 cos  A Ａ—— wet tension means specific surface energy reduce because of water-wet

油藏物理学一油藏岩石的润湿性及油水分布 The condition of wet: adhesion tensioncombine force discuss Oos-Oxs=Oo coS 0<90°，c0s0>0,Oos>0w water-wet Ws 0=90°，c0S0=0,6 os neutral wet 0>90°，c0s0<0, oil-wet

油藏物理学——油藏岩石的润湿性及油水分布 The condition of wet： adhesion tension≥combine force discuss      ws   0 os 90 ，cos ，      ws   0 os 90 ，cos ，      ws   0 os 90 ，cos ， water-wet neutral wet oil-wet  os  ws  ow cos