Page tree

Versions Compared

Key

  • This line was added.
  • This line was removed.
  • Formatting was changed.
Comment: Reverted from v. 7



LaTeX Math Block
anchor1
alignmentleft
LaTeX Math Inlinebody--uriencoded--\displaystyle
q_O = q_
%7BOo%7D
{Oo} + q_
%7BOg%7D LaTeX Math Inlinebody--uriencoded--\displaystyle
{Og}



LaTeX Math Block
anchor1
alignmentleft
q_G = q_
%7BGg%7D
{Gg} + q_
%7BGo%7D LaTeX Math Inlinebody--uriencoded--\displaystyle
{Go}



LaTeX Math Block
anchor1
alignmentleft
q_W = q_
%7BWw%7D
{Ww}



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


LaTeX Math Block
anchor
1
4I4XH
alignmentleft
mathinline
body--uriencoded--\displaystyle
R_s = q_
%7BGo%7D
{Go}/q_
%7BOo%7D LaTeX Math Inlinebody--uriencoded--\displaystyle
{Oo}



LaTeX Math Block
anchor4I4XH
alignmentleft
R_v = q_
%7BOg%7D
{Og}/q_
%7BGg%7D
{Gg}


so that:


LaTeX Math Block
anchor1
alignmentleft
q_O = q_{Oo} + R_v \, q_{Gg}



LaTeX Math Block
anchor1
alignmentleft
q_G = q_{Gg} + R_s \, q_{Oo}



LaTeX Math Block
anchor1
alignmentleft
q_W = q_{Ww}



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


LaTeX Math Block
anchor1
alignmentleft
q_{Oo}= \frac{q_o}{B_o}



LaTeX Math Block
anchor1
alignmentleft
q_{Gg} = \frac{q_g}{B_g}



LaTeX Math Block
anchor1
alignmentleft
q_{Ww} = \frac{q_w}{B_w}


so that:


LaTeX Math Block
anchor1
alignmentleft
q_O = \frac{q_o}{B_o} + R_v \,\frac{q_g}{B_g}



LaTeX Math Block
anchor1
alignmentleft
q_G = \frac{q_g}{B_g} + R_s \, \frac{q_o}{B_o}



LaTeX Math Block
anchor1
alignmentleft
q_W = \frac{q_w}{B_w}


and solving the above system of equations leads to:


LaTeX Math Block
anchor1
alignmentleft
q_o = \frac{B_o \cdot (q_O - R_v \, q_G)}{1- R_v \, R_s}



LaTeX Math Block
anchor1
alignmentleft
q_o = \frac{B_o \cdot (q_G - R_s \, q_O)}{1- R_v \, R_s}



LaTeX Math Block
anchor1
alignmentleft
q_w = B_w \cdot q_w