Change in pore volume due to initial water and rock expansion

Input(s)

$\lambda$: Lame (dimensionless)

$v$: Poisson (dimensionless)

Output(s)

K: Bulk Modulus $\left(\mathrm{N} / \mathrm{m}^{2}\right)$

Formula(s)

$$ \mathrm{K}=\frac{\lambda *(1+v)}{3 * v} $$

Reference(s)

PetroWiki.org.