Page 58 - Gas Wettability of Reservoir Rock Surfaces with Porous Media
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80
70
60 Water
Oil
θ/º 50
40
30
20
0 1000 2000 3000 4000 5000
–1
CTAB concentration/(mg*L )
FIGURE 2.8
Contact angle of water and oil on glass capillary after being treated with CTAB of different concentrations.
30
25
Water
20
Oil
h/mm 15
10
5
0
0 1000 2000 3000 4000 5000
–1
FC911 concentration/(mg*L )
FIGURE 2.9
Rise in height of water and oil in glass capillary after being treated with FC911 of different concentrations.
90
80
70
60
θ/º
50
Water
40 Oil
30
20
0 1000 2000 3000 4000 5000
–1
FC911 concentration/(mg*L )
FIGURE 2.10
Contact angles of water and oil on glass capillary after being treated with FC911 of different concentrations.
