Volumetric calculations
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| q_O = q_{Oo} + q_{Og} |
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| q_G = q_{Gg} + q_{Go} |
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| q_W = q_{Ww} |
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| q_o = \frac{B_o \cdot (q_O - R_v \, q_G)}{1- R_v \, R_s} |
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| q_пg = \frac{B_пg \cdot (q_G - R_s \, q_O)}{1- R_v \, R_s} |
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| q_w = B_w \cdot q_w |
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Mass calculations
The oil phase
includes oil component
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and gas component
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so that the oil phase mass flux is:
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| \rho_o = \frac{\rho_O + \rho_G \cdot R_s}{B_o} |
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| m\rho_g = \frac{\rho_G + \rho_O \cdot R_v}{B_g} |
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| m\rho_w = \frac{\rho_W}{B_w} |
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The total mass flow of all phases:
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As volatile oil model does not assume water-component exchange between phases the equality
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can be broken down into two equalities:
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| \dot m_{HC} = \dot m_o + \dot m_g = \dot m_O + \dot m_G |
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| \dot m_w = \dot m_W |
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The total fluid density of Volatile Oil fluid @model is given by following equation (see Multiphase fluid for derivation):
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\rho = s_o \, \rho_o + s_g \, \rho_g + s_w \, \rho_w |
The total fluid compressibility of multiphase fluid is given by following equation (see Multiphase fluid for derivation):
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c = s_o \, c_o + s_g \, c_g + s_w \, c_w |
See Also
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Petroleum Industry / Upstream / Subsurface E&P Disciplines / Fluid (PVT) Analysis / Fluid @model / Volatile Oil Fluid @model