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