Gas Separator Internal Diameter from Mass Flow Formula
Gas Separator Internal Diameter from Mass Flow calculates gas separator internal diameter for well performance workflows in production engineering.
How engineers use this formula
Use this formula when the listed inputs (m_g, K_s, F_g, rho_l, rho_g) are known and the assumptions behind the cited well performance relationship match the engineering case being checked.
Assumptions
- Input values are representative for the well, reservoir, fluid, or equipment case being evaluated.
- The declared units match the field-unit constants used in the formula.
- The cited formula applies to the selected petroleum engineering workflow.
Limitations
- The calculation does not replace a full engineering model or operating procedure.
- Accuracy depends on the source correlation, assumptions, input quality, and unit consistency.
Common mistakes
- Mixing unit systems without converting the inputs.
- Using default example values as field recommendations.
- Applying the formula outside the source assumptions.
Default example
Using the default inputs, d_sep equals 1.521869 ft.
20000000
1200
0.75
0.75
0.06
Inputs
m_g
lb/hGas Mass Flow Rate
K_s
ft/hSeparator Coefficient
F_g
fractionFraction of Separator Area Available for Gas
rho_l
g/cm3Liquid Density
rho_g
g/cm3Gas Density
Outputs
d_sep
Gas Separator Internal Diameter
m_g
Gas Mass Flow Rate
K_s
Separator Coefficient
F_g
Fraction of Separator Area Available for Gas
Source and review
reviewedGas Conditioning and Processing, Campbell, J. M. (1992)
John M. Campbell. 1992. Gas Conditioning and Processing, Campbell Petroleum Series, Vol. 2, Page 75.
Source