Research Article
Enhanced Wettability Modification and CO2 Solubility Effect by Carbonated Low Salinity Water Injection in Carbonate Reservoirs
Table 2
Geochemical reactions.
| Aqueous reactions | H+ + OH− H2O | CO2 (aq) + H2O H+ + | H+ + CaCO3 Ca2+ + | H+ + MgCO3 + Mg2+ | H+ + + Na+ | Ca2+ + | + Mg2+ | NaHCO3 + Na+ | H+ + MgOH+ H2O + Mg2+ | H+ + NaOH H2O + Na+ | CaSO4 Ca2+ + | Na+ + | MgSO4 Mg2+ + | Sr2+ + | SrSO4 Sr2+ + |
| Mineral dissolution/precipitation | Calcite + H+ Ca2+ + | Dolomite + 2(H+) Ca2+ + 2() + Mg2+ |
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