Pipeng Toolbox : Fluid Density Calculators Blank User
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Fluid Density And Volume

Calculate fluid density for single phase fluid (oil, water, or gas), two phase fluid (oil and gas, or oil and water), and three phase black oil (oil, water and gas).

The gas oil ratio is the ratio of gas moles to oil volume. Gas oil ratio is often measured as gas standard volume (scf or scm) per oil volume (barrels, gallons, cubic feet or cubic meters). The gas mass fraction is the ratio of gas mass to total fluid mass. The gas volume fraction is the ratio of gas volume to total fluid volume. Water cut is the ratio of water volume over total liquid volume (equals the water volume fraction in the liquid). Gas volume is dependent on fluid temperature and pressure.

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CALCULATOR : Gas Density And Compressibility Factor [FREE]   ±

Calculate single phase gas compressibility factor and density from gas temperature and pressure for selected gases.

The gas compressibility factor is calculated from the critical point temperature, critical point temperature, and the accentric factor using either the Peng Robinson, Soave, Redlich Kwong or Van Der Waals equations of state (EOS). The compressibility factor calculation is valid for gas phase only. Use the Result Plot option to plot compressibility factor versus pressure and temperature, compressibility factor versus pressure and equation of state type, or compressibility factor versus temperature and equation of state type.

Tool Input

  • fluidtype : Fluid Type
    • SGu : User Defined Gas Specific Gravity
    • ωu : User Defined Acentric Factor
    • Pcu : User Defined Critical Pressure
    • Tcu : User Defined Critical Temperature
  • eostype : Equation Of State
    • Zu : User Defined Compressibility Factor
  • P : Fluid Pressure
  • T : Fluid Temperature

Tool Output

  • ρ : Fluid Density
  • ω : Accentric Factor
  • Pc : Critical Point Pressure
  • Pr : Reduced Pressure
  • SG : Gas Specific Gravity Relative To Air
  • Tc : Critical Point Temperature
  • Tr : Reduced Temperature
  • Vm : Molar Volume
  • Z : Compressibility Factor
  • cvg : Convergence Check
  • mw : Fluid Molar Mass

CALCULATOR : Pipe Inside Diameter And Cross Section Area [FREE]   ±

Calculate pipe inside diameter and inside cross section area from pipe diameter and wall thickness.

Use the Result Table option to display a table of the inside diameter and cross section area versus either outside diameter or wall thickness.

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

Tool Output

  • AX : Pipe Inside Cross Section Area
  • ID : Nominal Inside Diameter
  • OD : Nominal Outside Diameter
  • OD/tn : Diameter Over Wall Thickness Ratio
  • tn : Nominal Wall Thickness

CALCULATOR : Pipe Fluid Volume And Density Two Phase Gas Liquid [FREE]   ±

Calculate pipe fluid volume, mass and density from pipe length 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 : Pipe Fluid Volume And Density Three Phase Black Oil [FREE]   ±

Calculate pipe fluid volume, mass and density from pipe length 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)

CALCULATOR : Pipe Fluid Volume And Density Single Phase Gas [FREE]   ±

Calculate pipe fluid volume, mass and density from pipe length for single phase gas.

Select either user defined molar mass, user defined gas specific gravity, or user defined gas density. The gas specific gravity is assumed to be proportional to the gas molar mass.

Tool Input

  • schdtype : Pipe Schedule Type
  • diamtype : Pipe Diameter Type
    • ODu : User Defined Outside Diameter
    • IDu : User Defined Inside Diameter
  • wtntype : Wall Thickness Type
    • tnu : User Defined Wall Thickness
  • sgtype : Gas Specific Gravity Type
    • SGu : User Defined Gas Specific Gravity
    • Mu : User Defined Gas Molar Mass
    • ρu : User Defined Gas Density
  • P : Gas Pressure
  • T : Gas Temperature
  • Z : Gas Compressibility Factor
  • L : Pipeline Length

Tool Output

  • ρ : Gas Density
  • ID : Inside Diameter
  • M : Gas Molar Mass
  • Mf : Gas Mass
  • Ng : Gas Moles
  • OD : Outside Diameter
  • SG : Gas Specific Gravity
  • Vf : Gas Volume (At T P)
  • tn : Nominal Wall Thickness
  • vg : Gas Mole Volume (At T P)

CALCULATOR : Pipe Fluid Volume And Density Single Phase Liquid [FREE]   ±

Calculate pipe fluid volume, mass and density from pipe length for single phase liquid.

For liquids heavier than water the density can be defined by degrees Baume (Be+), degrees Twaddell, or user defined liquid density. For liquids lighter or equal to water the density can be defined by either degrees Baume (Be-), degrees API, or user defined density.

Tool Input

  • schdtype : Pipe Schedule Type
  • diamtype : Pipe Diameter Type
    • ODu : User Defined Outside Diameter
    • IDu : User Defined Inside Diameter
  • wtntype : Wall Thickness Type
    • tnu : User Defined Wall Thickness
  • sgtype : Density Type
    • SGu : User Defined Specific Gravity
    • Be+u : User Defined Degrees Baume SG > 1
    • Be-u : User Defined Degrees Baume SG <= 1
    • Twu : User Defined Degrees Twaddell SG > 1
    • APIu : User Defined Degrees API SG <= 1
    • ρu : User Defined Liquid Density
  • L : Pipe Length

Tool Output

  • ρ : Fluid Density
  • API : Degrees API SG ≤ 1
  • Be+ : Degrees Baume SG > 1
  • Be- : Degrees Baume SG ≤ 1
  • ID : Inside Diameter
  • Mf : Liquid Mass
  • OD : Outside Diameter
  • SG : Specific Gravity
  • Tw : Degrees Twaddell SG > 1
  • Vf : Liquid Volume
  • tn : Nominal Wall Thickness