Fracturing fluid type

performance

Clean slippery water fracturing fluid

Oil-based emulsion slippery water fracturing fluid

Guar gum fracturing fluid

Fracturing fluid formula

0.1% JHFR-2D drag reducer + 0.2% JHFD-2 multifunctional additive

0.1% A agent + 0.2% B agent

0.1% guar gum + 0.5% drainage aid + 0.3% demulsifier

Compatibility

good

not good

not good

Drag reduction rate, %

76.2

79.5

73.9

Core permeability damage rate, %

18.34

76.84

89.36

Biological toxicity, EC₅₀, mg/L

1.89 × 10⁶ (Non-toxic)

1.13 × 10³ (Slightly poisonous)

1.06 × 10⁶ (Non-toxic)

Kinematic viscosity, mm²/s

1.37

3.30

3.21

Surface tension, mN/m

23.42

29.92

27.41

Anti-swelling rate, %

81.12

40.00

46.88