Inputs | Outputs | ||
---|---|---|---|
field-average formation pressure at time moment | Cumulative subsurface water influx from aquifer | ||
initial formation pressure | Subsurface water flowrate from aquifer | ||
aquifer Productivity Index | |||
aquifer relaxation time | |||
Detailing Inputs | |||
aquifer transmissibility | |||
aquifer total compressibility | |||
aquifer volume | |||
aquifer area | |||
pay area |
Const PI | ||||
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Aquifer Productivity Index is constant |
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Const PI expansion:
Finite-volume reservoir PSS depletion:
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Petroleum Industry / Upstream / Subsurface E&P Disciplines / Field Study & Modelling / Aquifer Drive / Aquifer Drive @model
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