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In practice there is no way to measure the external influx
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body | Q^{\downarrow}_{GC}(t) |
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and
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body | Q^{\downarrow}_{GCAQ}(t) |
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so that one need to model them and use model parameters to fit
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–
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.
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In some specific cases equation
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can be explicitly integrated:
Low compressibility rocks and fluids | Ideal dry gas |
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body | \{ \phi_e = {\rm const}, \ c_t = {\rm const} \} |
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body | c_t = c_r + \frac{1}{p} \sim \frac{1}{p} |
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| p(t) = p_i + \frac{\Delta Q(t)}{V_e \cdot c_t} |
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| p(t) = p_i \exp \left[ \frac{\Delta Q(t)}{V_e \cdot c_t} \right] |
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