The ability of reservoir to accumulate pressure throughout the pore volume:

\gamma =  c_t \cdot V_\phi = c_t \cdot \phi \cdot V_r =\beta \cdot V_r 

where

total compressibility

 pore volume

bulk rock volume

effective porosity

reservoir storativity


See also


Physics /  Fluid Dynamics / Percolation

Petroleum Industry / Upstream / Subsurface E&P Disciplines / Reservoir Flow Simulation

Field Study & Modelling ] [ Complex reservoir properties ] [ Basic diffusion model parameters ]