A New Multichelating Acid System for High-Temperature Sandstone Reservoirs

Table 5

Experimental results of scale inhibitor on the inhibition of sodium fluosilicate precipitation.

Scale inhibitor	Scale weight (g)	Scale inhibition ratio (%)
Comparing sample	0.1742	—
SAV-1	0.1536	11.81
SAV-2	0.0582	67.57
SAV-1 + SAV-2 (1 : 1)	0.0632	63.74