Motivation
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| Aquifer Drive |
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| Aquifer Drive |
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where
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Physical Model
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Assumptions
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Slow variation of water influx in time | pp_i -\frac{4 \pi \sigma}{ \ln \frac{ |
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Q_{AQ}(t)}{V_{AQ} \cdot c_t}...
Mathematical Model
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| \frac{d Q_{AQ}}{dt} = J__{AQ}(t) \cdot ( p_i - p(t)) |
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| J_{AQ}(t) = \frac{4 \pi \sigma}{ \ln \frac{1.781 \cdot A_e^2}{ 4 \pi \chi t} } |
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Const PI expansion:
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q_{WAQ} = \frac{d Q_{WAQ}}{dt} = J \cdot ( p_{AQ} - p(t)) |
Finite-volume reservoir PSS depletion:
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p_{AQ} = p_i - \frac{Q_{WAQ}}{V_{WAQ} c_t} |
See Also
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Petroleum Industry / Upstream / Subsurface E&P Disciplines / Field Study & Modelling / Aquifer Drive / Aquifer Drive @modelModels
Reference
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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
