@wikipedia
Total volume of subsurface natural gasVolumetric value of Gas Initial In Place (GIIP) recalculated to NTP conditions:
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| anchor | STOIIP |
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| alignment | left |
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V_{\rm STGIIP} = \int_{\Omega} \left[ \frac{s_g({\bf r}) }{B_g} + \frac{R_s \, s_o({\bf r})}{B_o} \right] \phi_e({\bf r}) dV |
where
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| body | p_i({\bf r}), \, T_i({\bf r}) |
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| body | s_o({\bf r}), \, s_g({\bf r}) |
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| body | B_o(p_i, T_i), \, B_g(p_i, T_i) |
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| body | R_s(p_i, T_i), \, R_v(p_i, T_i) |
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The estimation algorithm is based on STGIIP @model.
See Also
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Petroleum Industry / Upstream / Subsurface E&P Disciplines / ExplorationPetroleum Geology / Petroleum Reservoir / Booking ReservesGas Initial In Place (GIIP)
[ Surface Tank Hydrocarbon Initial In Place (STHCIIP) ] [ Stock-Tank Oil Initial In-Place (STOIIP) ]
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