Page tree

Versions Compared

Key

  • This line was added.
  • This line was removed.
  • Formatting was changed.

Saturated oil formation volume factor


Bobbl/stbp ≤ pb

LaTeX Math Inline
body--uriencoded--\displaystyle B_o(p, T) = 1 + c_1 \, R_s(p, T) + (T-60) \, \left( \frac%7B\gamma_%7BAPI%7D%7D%7B\gamma_g%7D \right) \, \big[ c_2 +c_3 \, R_s(p, T) \big]

LaTeX Math Inline
body--uriencoded--\gamma_%7BAPI%7D \leq 30 \ %7B\rm API%7D : \quad c_1 = 4.677 · 10%5e%7B-4%7D, \, c_2 = 1.751· 10%5e%7B-5%7D, \ c_3 = -1.811· 10%5e%7B-8%7D

LaTeX Math Inline
body--uriencoded--\gamma_%7BAPI%7D > 30 \ %7B\rm API%7D : \quad c_1 = 4.670 · 10%5e%7B-4%7D, \, c_2 = 1.100 · 10%5e%7B-5%7D, \ c_3 = 1.337 · 10%5e%7B-8%7D

where

LaTeX Math Inline
bodyp

psiaFluid pressure

LaTeX Math Inline
bodyT

°FInitial formation temperature

LaTeX Math Inline
body--uriencoded--\gamma_%7BAPI%7D

°APIOil API gravity

LaTeX Math Inline
body\gamma_o

fracOil specific gravity

LaTeX Math Inline
body\gamma_g

fracGas specific gravity

...

LaTeX Math Inline
body--uriencoded--\gamma_%7BAPI%7D \leq 30 \ %7B\rm API%7D

...

LaTeX Math Inline
body--uriencoded--\gamma_%7BAPI%7D > 30 \ %7B\rm API%7D

...

LaTeX Math Inline
bodyc_1

...

LaTeX Math Inline
bodyc_2

...

LaTeX Math Inline
bodyc_3

...

See Also

...

Petroleum Industry / Upstream / Petroleum Engineering / Subsurface E&P Disciplines / Reservoir Engineering (RE) / PVT correlations / Oil correlations

[ Vasquez-Beggs (1980) oil correlations ]

References

...

Vasquez, M., and H.D. Beggs. "Correlations for Fluid Physical Property Prediction." J Pet Technol 32 (1980): 968–970, doi.org/10.2118/6719-PA