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ASME B31.3 Process Piping Fluid Volume And Mass

Calculate ASME B31.3 process piping fluid density, fluid volume and fluid mass for two phase gas liquid piping, and three phase black oil piping (gas water and oil).

The two phase fluid calculator can be used for single phase gas, single phase liquid, or two phase gas and liquid. The three phase black oil calculator can be used for single phase oil, single phase water, two phase oil and water, and three phase oil, water and gas. Water cut is the volume fraction of water in the liquid phase (ignoring the gas phase). Gas oil ratio (GOR) is the ratio of gas moles to liquid volume (ignoring the water phase). Gas moles are commonly measured as gas volume at standard conditions, eg SCM (Standard Conditions Meter) or SCF (Standard Conditions Feet).

Reference : ANSI/ASME B31.3 : Process Piping (2018)

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CALCULATOR : ASME B31.3 Metal Pipe Diameter And Wall Thickness Schedule [FREE]   ±

Calculate ASME B31.3 metal pipe diameter, minimum wall thickness and pressure design thickness from pipe schedule or user defined diameter and wall thickness (ASME B31.3 section 304.1).

Select the pipe schedule (NPS or ISO), pipe diameter and wall thickness, or use the user defined option. Use the Result Table option to display the pipe schedule with nominal wall thickness, minimum wall thickness and pressure design wall thickness for the selected diameter.

Tool Input

  • schdtype : Schedule Type
  • diamtype : Diameter Type
    • ODu : User Defined Outside Diameter
    • IDu : User Defined Inside Diameter
  • wtntype : Wall Thickness Type
    • tnu : User Defined Wall Thickness
  • ttoltype : Wall Thickness Fabrication Tolerance Type
    • txu : User Defined Negative Wall Thickness Fraction
    • tfu : User Defined Negative Wall Thickness Allowance
  • c : Wall Thickness Corrosion Allowance

Tool Output

  • ID : Nominal Inside Diameter
  • OD : Nominal Outside Diameter
  • OD/tn : Diameter Over Wall Thickness Ratio
  • tf : Wall Thickness Fabrication Allowance
  • tm : Minimum Wall Thickness
  • tn : Nominal Wall Thickness
  • tp : Pressure Design Wall Thickness
  • tx : Wall Thickness Fabrication Fraction
CALCULATOR : ASME B31.3 Pipe Volume And Fluid Mass Two Phase Gas Liquid [FREE]   ±

Calculate ASME B31.3 process piping fluid volume and mass from pipe length and inside diameter for two phase gas / liquid.

Select either single phase liquid, single phase gas, two phase fluid from gas oil ratio (GOR), two phase fluid from gas mass fraction, two phase fluid from gas volume fraction, or user defined fluid density.

Tool Input

  • schdtype : Line Pipe Schedule Type
  • diamtype : Line Pipe Diameter Type
    • ODu : User Defined Outside Diameter
    • IDu : User Defined Inside Diameter
  • wtntype : Wall Thickness Type
    • tnu : User Defined Wall Thickness
  • mvtype : Fluid Density Type
    • GORu : User Defined Gas Oil Ratio
    • Xmu : User Defined Gas Mass Fraction
    • Xvu : User Defined Gas Volume Fraction
    • ρu : User Defined Fluid Density
    • ρl : User Defined Liquid Density
    • P : User Defined Fluid Pressure
    • T : User Defined Fluid Temperature
    • Z : User Defined Gas Compressibility Factor
    • SG : User Defined Gas Specific Gravity
  • L : Pipe Section Length

Tool Output

  • ρf : Average Fluid Density
  • ρg : Gas Density (At T P)
  • GOR : Gas Oil Ratio
  • ID : Nominal Inside Diameter
  • Mf : Total Fluid Mass
  • Mg : Gas Mass
  • Ml : Liquid Mass
  • Ng : Gas Moles
  • OD : Nominal Outside Diameter
  • Vf : Total Fluid Volume
  • Vg : Gas Volume (At T P )
  • Vl : Liquid Volume
  • Xm : Gas Mass Fraction
  • Xv : Gas Volume Fraction (At T P)
  • tn : Pipe Nominal Wall Thickness
  • vg : Gas Molar Volume (At T P)

CALCULATOR : ASME B31.3 Pipe Volume And Fluid Mass Three Phase Gas Oil And Water [FREE]   ±

Calculate ASME B31.3 process piping fluid volume and mass from pipe length and inside diameter for three phase gas / oil / water (black oil).

Select either single phase oil, single phase water, single phase gas, two phase oil / water from water cut (WC), three phase black oil (oil / water / gas) from gas oil ratio (GOR) and water cut (WC), or user defined fluid density.

Tool Input

  • schdtype : Line Pipe Schedule Type
  • diamtype : Line Pipe Diameter Type
    • ODu : User Defined Outside Diameter
    • IDu : User Defined Inside Diameter
  • wtntype : Wall Thickness Type
    • tnu : User Defined Wall Thickness
  • mvtype : Fluid Density Type
    • GORu : User Defined Gas Oil Ratio
    • WCu : User Defined Water Cut
    • ρu : User Defined Fluid Density
    • ρo : User Defined Oil Density
    • ρw : User Defined Water Density
    • P : User Defined Fluid Pressure
    • T : User Defined Fluid Temperature
    • Z : User Defined Gas Compressibility Factor
    • SG : User Defined Gas Specific Gravity
  • L : Pipe Section Length

Tool Output

  • ρf : Average Fluid Density
  • ρg : Gas Density
  • ρl : Liquid Density
  • GOR : Gas Oil Ratio
  • ID : Nominal Inside Diameter
  • Mf : Total Fluid Mass
  • Mg : Gas Mass
  • Ml : Liquid Mass
  • Mo : Oil Mass
  • Mw : Water Mass
  • Ng : Gas Moles
  • OD : Nominal Outside Diameter
  • Vf : Total Fluid Volume
  • Vg : Gas Volume
  • Vl : Liquid Volume
  • Vo : Oil Volume
  • Vw : Water Volume
  • WC : Water Cut
  • Xmg : Gas Mass Fraction
  • Xml : Liquid Mass Fraction
  • Xmo : Oil Mass Fraction
  • Xmw : Water Mass Fraction
  • Xvg : Gas Volume Fraction
  • Xvl : Liquid Volume Fraction
  • Xvo : Oil Volume Fraction
  • Xvw : Water Volume Fraction
  • tn : Pipe Nominal Wall Thickness
  • vg : Gas Mole Volume (At T P)

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