Table 1 Sandpacks and foam pre-generator properties.

From: Characterization of N2 foam flow with in-situ capillarypressure measurements in a high-permeability homogeneous sandpack: effect of surfactant concentration and flowrate

Ambient sandpack

Foam pre-generator

Property

Value

Property

Value

Permeability

145 Darcy

Sand mesh

20/40

Porosity

0.38

Length

1.2 in (3.0 cm)

Sand mesh

20/40

Outer diameter

0.5 in (1.3 cm)

Length

11.2 in (15.5 cm)

Body

Swagelok® F-series

Internal diameter

2.0 in (5.08 cm)

Body material

Stainless steel

PV

210 cm3

Body material

Polycarbonate

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