The pressure interference test with multiple homogeneous layers staying in a permeable contact with each other will honour the following equations:
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\left< \sigma \right > = \sum_m \sigma_m |
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| anchor | storage |
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| alignment | left |
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\left< c_t \phi h A\right > = \sum_m c_{tm} \phi_m h_m A_m |
where
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| body | \left< \sigma \right > |
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| transmissibility of the multilayer system |
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| body | \left< c_t \, \phi \, h \, A \right> |
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| total reservoir storage of the multilayer system |
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| transmissibility of the -th layer |
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| body | M_{rm} =\left< \frac{k_r}{\mu} \right>_m |
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The equations
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and
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define the 3D → 2D upscaling algorithm for pressure calculations.
See Also
Petroleum Industry / Upstream / Subsurface E&P Disciplines / Well Testing / Pressure Testing / Pressure Interference Test (PIT)
