|
|
where
Q_{WAQ}(t) | \sigma | aquifer transmissibility | |
J = \rm const | \displaystyle \tau = \frac{V_{WAQ} \, c_t}{J} | aquifer relaxation time | |
p_i | initial formation pressure | A_{AQ} | aquifer area |
p(t) | field-average formation pressure at time moment t | A_e | pay area |
This model is based on assumptions:
- Field production is operating as single well with
A_e cross-sectional area in Pseudo-Steady State
- Aquifer performs with Productivity index J = \rm const
See Also
Petroleum Industry / Upstream / Subsurface E&P Disciplines / Field Study & Modelling / Aquifer Drive / Aquifer Drive @model
Reference
1. Fetkovich, M.J. 1971. A Simplified Approach to Water Influx Calculations—Finite Aquifer Systems. J Pet Technol 23 (7): 814–28. SPE-2603-PA. http://dx.doi.org/10.2118/2603-PA