Saturated Oil Density (ρo,s)

The oil density at the bubble point is an important thermodynamic property required in reservoir simulation and production engineering.

At pressures below the bubble-point pressure and with reduction in pressure, gas comes out of solution. This gas release accounts for the reversal in the density versus pressure trend below the bubble-point pressure.

Reference: PVT Property Correlations, Ahmed El-banbi, 2018

Correlations

  • 1-Standing
  • 2-McCain
  • 3-Material Balance

Input Parameters

NameInput Value - UnitConverted ValueValidity CheckLink to Calculation Page
Solution Gas/Oil Ratio (Rs) Solution GOR at bubble point pressure (scf/STB)
More Details

scf/STB

Oil Gas Solubility (Rs)
Stock Tank Oil Specific Gravity (ɣo) More Details

deg API

Solution Gas Specific Gravity (ɣg) Weighted average of separated gas specific gravities from each separation stage
More Details

SG

Solution Gas Specific Gravity (ɣg)
Oil Formation Volume Factor (Bo) Saturated oil formation volume factor (Bo,s)
More Details

bbl/STB

Saturated Oil Formation Volume Factor (Bo,s)
Temperature

°R

Pressure

psi

CALCULATE

Results

CorrelationCalculated ValueWarningsRemarks
1-Standinglb/ft3
2-McCainlb/ft3
3-Material Balancelb/ft3