DNVGL RP F101 Local Incident Pressure

Calculate DNVGL RP F101 local incident pressure and local external pressure from design pressure and elevation.

The local incident pressure is calculated from the design pressure and the elevation. Fluid density is assumed constant. Use the Result Plot option to plot local pressure and reference pressure versus elevation.

Reference : DNVGL-RP-F101 : Corroded Pipelines (Download from the DNVGL website)

Change Module :

DNVGL RP-F101 Single Corrosion Defect Calculation Module
DNVGL RP F101 Complex Corrosion Defect Calculation Module
DNVGL RP F101 Corrosion Line Pipe Schedule Calculation Module
DNVGL RP F101 Interacting Corrosion Defect Calculation Module
DNVGL RP F101 Maximum Defect Depth Calculation Module
DNVGL RP F101 Pipeline Longitudinal Stress Calculation Module
DNVGL RP F101 Temperature Derating Calculation Module
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Links : ±

CALCULATOR : DNVGL-RP-F101 Section 3.7 Pipeline Local Incident Pressure And External Pressure From Elevation [FREE] ±

Calculate pipeline incident pressure, local incident pressure and local external pressure from design pressure and elevation (DNVGL-RP-F101 Section 3.7). Fluid density is assumed constant.

Tool Input

pletype : Local External Pressure Type
- Pleu : User Defined External Pressure At Local Elevation
ginctype : Incidental To Design Pressure Ratio Type
- γincu : User Defined Incidental Pressure Factor
plitype : Local Incidental Pressure Type
- Prdu : User Defined Design Pressure At Reference Elevation
- Priu : User Defined Incidental Pressure At Reference Elevation
- Pliu : User Defined Incidental Pressure At Local Elevation
ρf : Internal Fluid Density
ρe : External Fluid Density
Zr : Reference Elevation
Zl : Local Elevation
Zs : Surface Elevation

Tool Output

ΔPl : Delta Pressure Across Pipe Wall At Local Elevation
Δz : Local Elevation Relative To Reference Elevation
γinc : Incidental Pressure Factor
Ple : External Pressure At Local Elevation
Pli : Incidental Pressure At Local Elevation
Prd : Design Pressure At Reference Elevation
Pri : Incidental Pressure At Reference Elevation
wd : Water Depth

CALCULATOR : DNVGL-RP-F101 Section 3.7 Three Phase Black Oil Density [FREE] ±

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

Water cut is measured relative to the total liquid volume (gas volume is ignored). Gas oil ratio (GOR) is measured relative to the oil volume at standard conditions (water volume is ignored).

Reference : DNVGL-RP-O501 : Managing Sand Production And Erosion : Section 4.4

Tool Input

mvtype : Fluid Density Type
- GORu : User Defined Gas Oil Ratio
- WCu : User Defined Water Cut
- ρu : User Defined Fluid Density
ρo : Oil Density
ρw : Water Density
P : Fluid Pressure
T : Fluid Temperature
Z : Gas Compressibility Factor
SG : Gas Specific Gravity

Tool Output

ρf : Average Fluid Density
ρg : Gas Density
ρl : Liquid Density
GOR : Gas Oil Ratio
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
vg : Gas Mole Volume (At T P)

CALCULATOR : DNVGL-RP-F101 Section 3.7 Two Phase gas Liquid Density [FREE] ±

Calculate pipeline fluid density for single phase gas or liquid, or two gas liquid.

Gas oil ratio (GOR) is measured relative to the oil volume at standard conditions.

Reference : DNVGL-RP-O501 : Managing Sand Production And Erosion : Section 4.4

Tool Input

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 : Liquid Density
P : Fluid Pressure
T : Fluid Temperature
Z : Gas Compressibility Factor
SG : Gas Specific Gravity

Tool Output

ρf : Average Fluid Density
ρg : Gas Density (At T P)
GOR : Gas Oil Ratio
Xm : Gas Mass Fraction
Xv : Gas Volume Fraction (At T P)
vg : Gas Mole Volume (At T P)