Effects of salinity and ionic composition of smart water on mineral scaling in carbonate reservoirs during water flooding

GHASEMIAN Javad,RIAHI Siavash

Table 2 Chemical composition of smart water with different ion compositions.

Brine	Ion concentration/(mg·L^-1)							Ion strength/ (mol·L-1)	pH value	TDS/ (mg·L^-1)
Brine	Na⁺	Cl^-	K⁺	Ca²⁺	Mg²⁺	SO₄^2-	HCO^3-	Ion strength/ (mol·L-1)	pH value	TDS/ (mg·L^-1)
PGSW	12 653	22 598	420	498	1 408	3 037	73	0.833	7.47	40 687
PGSW_1Ca1Mg2S	12 340	19 875	420	498	1 408	6 073	73	0.851	7.52	40 687
PGSW_1Ca3Mg1S	8 313	24 122	420	498	4 224	3 037	73	1.018	7.49	40 687
PGSW_1Ca4Mg1S	6 143	24 884	420	498	5 632	3 037	73	1.058	7.51	40 687