Table 2 Scaling of the numerical results to values for reservoir rocks37,39,52.

From: Spontaneous formation of fluid escape pipes from subsurface reservoirs

Description

Symbol

Shale

Limestone

Sandstone

Units

Buk viscosity

\({\eta }_{\varphi }\)

1e13

1e15

1e16

[Pa.s]

Permeability

\({\kappa }_{\varphi }\)

1e-19

1e-16

1e-15

[m2]

Fluid viscosity

\({\mu }_{f}\)

8e-4

8e-4

8e-4

[Pa.s]

Chimney width

 

0.1–1

10–100

100–500

[m]

Propagation speed

 

0.3

300

1000

[m/yr]