PetroCalcHubFree
Browse
Phase Behavior and ThermodynamicsPVT PropertiesCalculation record

Beggs-Standing Oil Formation Volume Factor Below Bubble Point Calculator

Bo=0.972+0.000147F1.175B_o=0.972+0.000147F^{1.175}

Enter the declared phase behavior and thermodynamics inputs below to solve B_o. Variable definitions, units, the default calculation, and the available source trail are included on this page.

Tabular solver

Inputs

Defaults provide a quick field-unit example for the equation.

4 variables

Your input values and calculation stay in this browser.

Extended guidance in preparation

What is available in this record

This record provides the functioning calculator, formula, declared variables and units, a reproducible default result, and the available citation metadata. A separately written engineering interpretation has not yet been published for this calculation.

Formula reference

Formula, variables, and default calculation

Bo=0.972+0.000147F1.175B_o=0.972+0.000147F^{1.175}

Reproducible default result

With the default values shown below, the calculation returns B_o = 1.354779 RB/STB. Defaults demonstrate the implementation; they are not recommended field values.

R_sSCF/STB

600

gamma_gfraction

0.8

gamma_ofraction

0.85

T°F

180

Input definitions

R_s

SCF/STB

Solution Gas-Oil Ratio

gamma_g

fraction

Gas Specific Gravity

gamma_o

fraction

Oil Specific Gravity

T

°F

Temperature

Output definitions

B_o

RB/STB

Oil Formation Volume Factor

F_beggs_standing

dimensionless

Beggs-Standing Formation Volume Factor Correlating Parameter

R_s

SCF/STB

Solution Gas-Oil Ratio

T

°F

Temperature

Source and record status

Source metadata identifies the relationship implemented by the calculator. Check the cited edition, unit basis, and scope against the engineering case before operational use.

reviewed

Craft, B.C., Hawkins, M. and Terry, R.E. 1991. Applied Petroleum Reservoir Engineering, 2nd Edition, Page 37.

Open source reference