Page 128 - Gas Wettability of Reservoir Rock Surfaces with Porous Media
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112 Gas Wettability of Reservoir Rock Surfaces with Porous Media
FIGURE 3.20
Diagram of film-forming process of gas-wetting alteration agent.
Distilled N-
N-
Distilled water hexadec
water hexadec ane
ane
FIGURE 3.21
Wettability of core surfaces before and after treatment with gas-wetting alteration agent.
25
Surface energy and its components, mJ/m 2 15 5 Polarity force Surface energy and its components, mJ/m 2 20 Surface energy
20
Dispersion force
Dispersion force
Polarity force
Surface energy
15
10
10
0
1% 2% 3% 4% 5% 6% 7% 8% 9% 10% 5 0 1% 2% 3% 4% 5% 6% 7% 8% 9% 10%
FC-1 concentrations FC-1 concentrations
FIGURE 3.22
Change in core surface energy before (A) and after (B) treatment with gas-wetting alteration agent of different concentrations.
