Research on Property of Multicomponent Thickening Water Fracturing Fluid and Application in Low Permeability Oil Reservoirs

Table 3

Comparison of gel breaking property of two kinds of fracturing fluids.

Time (min)	Apparent viscosity (mPa·s)
	50 (°C)		60 (°C)		70 (°C)
	Thickening water	Guar gum	Thickening water	Guar gum	Thickening water	Guar gum
10	100.3	115.6	80.3	98.2	50.2	70.2
30	80.6	96.5	60.1	75.2	26.2	50.6
60	40.2	62.4	30.6	45.8	12.3	30.7
120	10.2	20.1	10.1	19.6	2.6	16.8
240	4.3	10.6	1.9	8.7	1.3	5.6