Table 6 Phase composition of precipitates from FW (Sr2+ and Ba2+)-SW (4 × Na2SO4) system.
From: Influence of inorganic scale formation on asphaltene behavior during water injection
System | Observed phase | 2θ (°) | Area under peak | Percentage contribution (%) |
|---|---|---|---|---|
FW(Sr2+)-SW (4 × Na2SO4) | CaSO4 (Gypsum) | 20.781 | 474.21 | 85.43 |
NaCl (Halite) | 31.703 | 81.02 | 14.57 | |
FW(Ba2+)-SW (4 × Na2SO4 | CaSO4 (Gypsum) | 20.781 | 452.92 | 75.08 |
BaSO4 (Barite) | 25.926 | 150.14 | 24.92 |