Table 21 IFT values for synthetic oil in contact with various FW–SW combinations under scale and non-scale conditions.
From: Influence of inorganic scale formation on asphaltene behavior during water injection
Sample no | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
|---|---|---|---|---|---|---|---|---|
Bine composition | Sr2+-based FW and SW | Ba2+-based FW and SW | Sr2+-based FW and 4 × Na2SO4 SW | Ba2+-based FW and 4 × Na2SO4 SW | Sr2+-based FW and SW | Ba2+-based FW and SW | Sr2+-based FW and 4 × Na2SO4 SW | Ba2+-based FW and 4 × Na2SO4 SW |
Condition | Non-scale | Non-scale | Non-scale | Non-scale | Scale-forming | Scale-forming | Scale-forming | Scale-forming |
IFT (mN/m) | 27.33 | 33.41 | 26.72 | 32.65 | 39.04 | 41.51 | 40.64 | 42.73 |