In SI unit system:
(1) | p_D =\frac{\sigma \cdot \Delta p}{q_t} |
where
\Delta p | pressure drop |
q_t | total sandface flowrate |
\sigma | reservoir transmissibility |
(2) | p_D =\frac{\sigma \cdot \Delta p}{141.2 \, q_t} |
where
See Also
Petroleum Industry / Upstream / Subsurface E&P Disciplines / Well Testing / Pressure Testing / Pressure Diffusion
[ Well & Reservoir Surveillance ] [ Pressure diffusion @model ]