Table 2 Compression simulation set-up parameters: vertical stress (σv) = 1 psi/ft and horizontal stress (\({\sigma }_{{H}_{min/max}}\)) = 0.6 psi/ft.

From: Confinement Effect on Porosity and Permeability of Shales

Scenario

Depth [ft]

σv [psi]

\({{\boldsymbol{\sigma }}}_{{{\boldsymbol{H}}}_{{\boldsymbol{\min }}}}\)[psi]

\({{\boldsymbol{\sigma }}}_{{{\boldsymbol{H}}}_{{\boldsymbol{\max }}}}\)[psi]

1

2,000

2,000

1,200

1,200

2

3,000

3,000

1,800

1,800

3

4,000

4,000

2,400

2,400

4

5,000

5,000

3,000

3,000

5

6,000

6,000

3,600

3,600