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LaTeX Math Inline
body--uriencoded--\displaystyle q_O = q_%7BOo%7D + q_%7BOg%7D

LaTeX Math Inline
body--uriencoded--\displaystyle q_G = q_%7BGg%7D + q_%7BGo%7D

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body--uriencoded--\displaystyle q_W = q_%7BWw%7D


LaTeX Math Inline
body--uriencoded--\displaystyle q_O = q_%7BOo%7D + q_%7BOg%7D

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q_O = q_{Oo} + q_{Og}


LaTeX Math Inline
body--uriencoded--\displaystyle q_O = q_%7BOo%7D + q_%7BOg%7D

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q_G = q_{Gg} + q_{Go}



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q_W = q_{Ww}



Following the definition of Solution GOR (Rs) and Vaporized Oil Ratio (Rv) :


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R_s = q_{Go}/q_{Oo}



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R_v = q_{Og}/q_{Gg}


so that:


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q_O = q_{Oo} + R_v \, q_{Gg}



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q_G = q_{Gg} + R_s \, q_{Oo}



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q_W = q_{Ww}



Following the definition of Oil formation volume factor (Bo) , Gas formation volume factor (Bg) and Water formation volume factor (Bw):


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q_{Oo}= \frac{q_o}{B_o}



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q_{Gg} = \frac{q_g}{B_g}



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q_{Ww} = \frac{q_w}{B_w}


so that:


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q_O = \frac{q_o}{B_o} + R_v \,\frac{q_g}{B_g}



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q_G = \frac{q_g}{B_g} + R_s \, \frac{q_o}{B_o}



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q_W = \frac{q_w}{B_w}


and solving the above system of equations leads to:


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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_o = \frac{B_o \cdot (q_G - R_s \, q_O)}{1- R_v \, R_s}



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q_w = B_w \cdot q_w