Sheet: M506Sheet: ModuleMainSheet: ModuleHumSheet:
ModuleShearSheet: ModulepHSheet: ModuleChartSheet: ModuleAccSheet:
ModuleSaveSheet: DialogStartSheet: DialogMainSheet: DialogHumSheet:
DialogFlowSheet: DialogBicarbSheet: DialogChartSheet:
DialogAccSheet: DialogHelpSheet: DialogSaveSheet: DialogShowSheet:
SheetModellSheet: SheetShearSheet: M506DataSheet: ChartSheet:
SheetAccChartSheet: M506ChartSheet: SheetKontrollSheet:
SheetPrintSheet: SheetPrintpHSheet: SheetPrintHumSheet:
SheetPrintShearSheet: SheetHelpSheet: SheetAcc2Sheet:
SheetAccInputTemperatur (C)60.0glykol faktor1.0pCO2
(bar)0.987389361466948pH4.0Inhibitor faktor1.0Skjr
(Pa)4.0ResultatKorrosjonshastighet (mm/y)9.374333813900282CR med
inhibitor effekt9.374333813900282BeregningerLavest temp60.0Hyest
temp80.0Lavest tempHyest tempK10.6959.949pCO2
faktor0.99216256109346750.9921625610934675Skjrfaktor0.79675275375647760.7967527537564776pH
faktor1.10881.2183Stlfaktor1.01.0Korrosjonshastighet9.3743338139002829.581645156533268a0.01036556713164929b8.752399786001325INPUT
QLSM/D8.206704 QGMMSM3/D0.0 VISC.O CP1.1
LIM1.5336638564489282Viskositetsmodell ROUGH5.0E-5 WC0.11 D(M)0.011
SP.GR0.8WC When Inversion:0.5wcrel visc RO.O850.0kg/m3 T11.0
P(BAR)5.0 Z0.9Magnitude of
rel.visc.7.06RO.L869.14RO.G6.25403984063745R0.GSC0.9647764615384617VISC.W1.33360176071685Waterdensity1024.0WC0.82VISC.
OIL1.1CP0.251.736VISC.L1.5113305808348656VL(M/S)1.0000000000000002VG(M/S)0.0VM(M/S)1.0000000000000002VISC,W1.33360176071685CP
VISC.G0.03LAMDA1.0VISC.M1.5113305808348656RO.M869.14R1.2123652370153182Cr0.5K-O
WET0.7765920546375181FLOWSMOOTHK-W
WET0.8328534152411368REGIME:PIPEWC/K2-W1.0686154174469196REGIMEVG
CRIT18.529209746130523M/SLIQUID623.5572356727321YEARS TO FAILURE OF
ST52 STEEL BY MESA ATTACKWC/K2-OIL0.14164450864919492VL
CRIT0.24161974454183266M/S************************************************************************************************RELVISC.MIX1.3739368916680594VL
CRIT0.27M/SOBSTACLEABS. VISC
MIX1.5113305808348656CP507.70256921128174YEARS TO
FAILURE1.00.038POSSIBLESTRATSLUGANNULARATOMIZEDLIQUIDLIQUID,
STRATIFIED,DISPERSED,ANNULARNLIM=2.83729167078899E12RE6325.909183097928YIELD=426.0PaFRICT0.01000937228317813OBSTACLE:SMOOTH
PIPE:TAU4.349772913100721REL-AMP0.9400000000000001EXPONENT0.9974209827045794V
EQ1.0000000000000002EXPONENT0.9902526176338031LIFETIME623.5572356727321YEARSF134.00000000000006LIFETIME507.70256921128174YEARSCANNOT
EXEED:623.5572356727321YEARSTAUAMP1.0874432282751803CANNOT
EXEED:507.70256921128174YEARS227598.39102054722DAYS185311.43776211783DAYSFATIGUE
IF TREATED AS SLUG FLOWRE6324.562457300599HOLD
UP0.98344946683864260.9834494668386426ALPHA
L0.9834494668386426ROM854.8587773019127VISCM1.4868137699338253FO0.010009760970852556OBSTACLE:TAUW6.1609910577317475REL-AMP0.9399988350627486EXPONENT0.9991233030608858TAUAMP0.36965946346390516EXPONENT0.9902526297136849LIFETIME16085.011960456643YEARSF-SLUG5.454545454545456LIFETIME12472.564103832055YEARSCANNOT
EXEED:16085.011960456643YEARSL-UNIT0.22MCANNOT
EXEED:12472.564103832055YEARS5871029.365566675DAYSL-SLUG0.21999999999999997M4552485.8978987DAYSTAUMEAN4.349772913100721PATaumean
slug:0.31160661942114565TOO LOW!V EQ0.9999805843791426NET TIME TO
FAILURE:hast. liq.1.0m/sF133.99851702868844hast
gass0.0m/s7025.153056970341YEARStau4.0PaRe6326.0digits0.0-335544.32VLS0.25AREA0.0LAMDA1.0K1.0ROG60.87FATIGUE
IF TREATED AS LIQUID
FLOWROL1024.061.15480240395044ROM1024.0EXPONENTHRSVISCG0.034TIME TO
FAILUREDAYSVISCL0.0YEARSVISCM0.0FRICTTAUU*FIF OBSTACELE
INST.SHEAR:INSTANTANOUS SHEARCalculated results from the NORSOK
M-506 CO2 corrosion rate
modelEquipmentIdentifierTemperaturePressureCO2 partial
pressuremole% CO2CO2 fugacityShear stresspHInhibitor
efficiencyGlycol concentrationGlycol reduction factorSpesific
gravityWater viscosityMaximum relative liquid viscosityCorrosion
rate without inhibitor effectCorrosion rate with inhibitor or
glycol
effectCommentCbarbar%barPa%%cpmm/yearmm/yearc1.089c1.089c0.437320.020.020.026.526.526.533.033.033.039.539.539.546.046.046.052.552.552.559.059.059.065.565.565.572.072.072.078.578.578.585.085.085.091.591.591.598.098.098.0104.5104.5104.5111.0111.0111.0117.5117.5117.5124.0124.0124.0130.5130.5130.5137.0137.0137.0143.5143.5143.5150.0150.0150.00.0047570.0038850.0020250.0061090.0049890.00260.0074610.0060930.0031760.0088130.0071970.0037510.0092950.0076880.003620.0097040.0081270.003430.0101130.0085670.003240.0104160.0085090.0030250.0106990.0083610.0028050.0109830.0082130.0025850.0092420.0066490.0015920.0074020.00516.65E-40.007260.0050177.3E-40.0071180.0049357.96E-40.0069760.0048528.61E-40.0068340.0047699.26E-40.0064250.0042098.45E-40.0058510.003356.72E-40.0052760.0024914.99E-40.0047010.0016333.26E-40.0041277.74E-41.53E-420.020.020.026.526.526.533.033.033.039.539.539.546.046.046.052.552.552.559.059.059.065.565.565.572.072.072.078.578.578.585.085.085.091.591.591.598.098.098.0104.5104.5104.5111.0111.0111.0117.5117.5117.5124.0124.0124.0130.5130.5130.5137.0137.0137.0143.5143.5143.5150.0150.0150.00.0047570.0038850.0020250.0061090.0049890.00260.0074610.0060930.0031760.0088130.0071970.0037510.0092950.0076880.003620.0097040.0081270.003430.0101130.0085670.003240.0104160.0085090.0030250.0106990.0083610.0028050.0109830.0082130.0025850.0092420.0066490.0015920.0074020.00516.65E-40.007260.0050177.3E-40.0071180.0049357.96E-40.0069760.0048528.61E-40.0068340.0047699.26E-40.0064250.0042098.45E-40.0058510.003356.72E-40.0052760.0024914.99E-40.0047010.0016333.26E-40.0041277.74E-41.53E-41998.00547570157441999.004791238882000.004106776182001.006160164272002.0054757015715.015.015.025.01998.00547570157441999.004791238882000.004106776182001.006160164272002.005475701570.015.015.015.025.0Calculated
results from the NORSOK M-506 CO2 corrosion model, version
2.1Temperature / (C)pH=3.5 pH=4.5 pH=5.5
20.04.4278613.6160831.88459626.55.6865054.6439752.42030333.06.9451495.6718672.9560139.58.2037936.6997593.49171746.08.652267.1563663.36972252.59.0332127.5653653.19291859.09.4141647.9743653.01611465.59.695867.9206882.81573872.09.9595097.7828892.61107778.510.223167.645092.40641585.08.6025936.1891111.48207291.56.8906314.7471820.61899398.06.7582334.670260.679807104.56.6258354.5933390.740621111.06.4934364.5164170.801435117.56.3610384.4394960.862249124.05.9809393.9179550.786504130.55.4460283.1185270.62541137.04.9111162.3190990.464316143.54.3762051.5196710.303222150.03.8412930.7202420.142128CO2
pressure1.0barShear stress5.0PaTrykk80.0barGlycol concentration0.0%
(concentration)Inhibitor reduction factor0.0Actual dialog
number0.0use pressure or fugacity1.0pressure in B9Recent dialog
number1.0Use of expertmenu in dialog flowDialog to check the
input0.0INPUTPARAMETERVALUElovlig inputny input hvis kolonne C =
FALSEminmaxunit choiseunitvalue in model unitsunitOld value in case
of cancelOld unitCalculation of other
parametersTemperature60.020.0150.01.0C60.0CpH4.04.04.0CO2 partial
pressure20.00.010.01.0bar20.0bar (CO2 trykk)fugasity of CO2 in
bar19.747787229338954fugasity in chosen unit (in bar if mole% or
flow is chosen)19.747787229338954Shear
stress4.0Pa4.0Pa10.0Trykk5.01.01000.01.0bar5.0barfugasitycoeffisient0.9873893614669477Glycol
concentration0.0% (concentration)1.0fraction0.0Inhibitor reduction
factor0.0%1.0fraction0.0Superficial liquid
velocity1.00.020.02.0m/s8.206703999999998Sm3/daySuperficial gas
velocity0.040.02.0m/s0.0Sm3/day1.0Watercut11.00.11Diameter
(ID)11.0mm0.011mInversion pointuse default0.5use defaultmax
relative liq viscuse default7.06cpuse defaultTetthet vannuse
defaultkg/m31024.0kg/m3use defaultlign for vanntetthet sfa T er
gitt i celle Q20, kopieres evt til Celle B201000.0Viskositet
vannuse
default0.46656414205920350.171.11.0cp0.4665641420592035cpuse
default1.0Liquid viscositet0.0cpTetthet oljeuse
defaultkg/m3850.0kg/m3use defaultViskositet oljeuse
default1.10.2200.01.0cp1.1cpuse defaulttetthet gassuse
default4.645220000000001kg/m34.645220000000001kg/m3use
defaultviskositet gassuse default0.030.020.061.0cp0.03cpuse
defaultRuhetuse defaultum5.0E-5muse defaultZuse default0.9use
defaultsp.gruse default0.8use defaultTotal mass
flow1.00.0011000000.0kmole/h0.0kmole/hAlle input OKgrafisk
fremstillingberegning av verdier for grafisk
fremstillingTemperature / (C)pH=3.5 pH=4.5 pH=5.5 Temperature /
(C)pH=3.5 pH=4.5 pH=5.5
20.00.0047570.0038850.00202520.00.0047570.0038850.00202526.50.0061090.0049890.002626.50.0061090.0049890.002633.00.0074610.0060930.00317633.00.0074610.0060930.00317639.50.0088130.0071970.00375139.50.0088130.0071970.00375146.00.0092950.0076880.0036246.00.0092950.0076880.0036252.50.0097040.0081270.0034352.50.0097040.0081270.0034359.00.0101130.0085670.0032459.00.0101130.0085670.0032465.50.0104160.0085090.00302565.50.0104160.0085090.00302572.00.0106990.0083610.00280572.00.0106990.0083610.00280578.50.0109830.0082130.00258578.50.0109830.0082130.00258585.00.0092420.0066490.00159285.00.0092420.0066490.00159291.50.0074020.00516.65E-491.50.0074020.00516.65E-498.00.007260.0050177.3E-498.00.007260.0050177.3E-4104.50.0071180.0049357.96E-4104.50.0071180.0049357.96E-4111.00.0069760.0048528.61E-4111.00.0069760.0048528.61E-4117.50.0068340.0047699.26E-4117.50.0068340.0047699.26E-4124.00.0064250.0042098.45E-4124.00.0064250.0042098.45E-4130.50.0058510.003356.72E-4130.50.0058510.003356.72E-4137.00.0052760.0024914.99E-4137.00.0052760.0024914.99E-4143.50.0047010.0016333.26E-4143.50.0047010.0016333.26E-4150.00.0041277.74E-41.53E-4150.00.0041277.74E-41.53E-4Opsjoner
for grafisk fremstillingchoiseParameterUnitLabel on button on
DialogChartUse default optionsuse velocity or shear stress1.0Shear
stressPavelocitychartlist 1chartlist 2TemperaturepHpHCO2
pressureCO2 pressureShear stressShear stress1.parameter2.
parameter3. parameter4. parameterValgt indexOld value for first
parameter1.0Valgt parameterTemperaturepHCO2 pressureShear
stressunitC
barPainput in line7.08.09.010.0line in
model2.04.03.05.0LovligminmaxDefaultValue in model unitRange,
min20.020.020.020.0Range, max150.0150.0150.0150.01.
value3.53.56.54.253.52. value4.53.56.55.04.53.
value5.53.56.55.755.5All legalOptions for accumulated
corrosiontime,end37621.0Show chart or table :1.0Show TableLabel on
ButtonShow:Show charttime,start37257.0LineNumber5.05.0Data
saved0.0Integrated chart or not :1.0IntegratedLabel on
ButtonIntegrate:Acc. offlegal time and lineMin time0.0Max
time73200.0Accumulated dialog activated0.0legal lineOptions for
calculation of pHINPUTPARAMETERVALUElovlig inputny input hvis
kolonne C = FALSEminmaxunit choiseunitvalue in model unitsunitOld
value in case of cancelOld
unitBicarbonate0.0327.761389708292371.0mM0.0MUse condenced
water1.0Old value1.0Ionic strenght1.03.01.0M1.0MSaturated pHOptions
for calculation of maximum flow rateINPUTPARAMETERVALUElovlig
inputny input hvis kolonne C = FALSEminmaxRatio gas/liquid
flow0.01.0E12Options for saving and plotting data at main
menuParameterProjectEquipmentIdentifierTemperaturePressureTotal
mass flowCO2 Partial PressureMole % CO2CO2 mass flowCO2
fugacityShear stresspHInhibitor efficiencyGlycol
concentrationGlycol reduction factorSuperficial liquid
velocitySuperficial gas velocityLiquid flowGas flowDiameter
(ID)WatercutRoughnessSpesific gravityCompressibilityWater
densityOil densityGas densityWater viscosityOil viscosityGas
viscosityInovation pointMax rel liq viscLiquid
viscosityBicarbonateIonic strengthWater mass flowMaximum
superficial liquid velocity, C-steelMaximum superficial gas
velocityy, C-steelMaximum liquid flowy, C-steelMaximum gas flowy,
C-steelMaximum recommended shear stress, C-steelMaximum superficial
liquid velocity, Cr0.5-steelMaximum superficial gas velocityy,
Cr0.5-steelMaximum liquid flowy, Cr0.5-steelMaximum gas flowy,
Cr0.5-steelMaximum recommended shear stress,
Cr0.5-steelRegimeCalculated shear stressCalculated pHpH in solution
saturated with Fe2+Rel. humidityDew pointClassification in other
systemsCorrosion rateCorrosion rate with inhibitor
efficiencyCommentSaving statusDefault
status0.01.00.00.01.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.01.0Current
dialog status2.0defaultSaving macro turned on0.0Data saved
yet0.0Next line in sheet M506Data8.0Units when
saving1.01.01.01.01.0Shear stress calculationsSt52Cr0.5Max
recommended shear stressMax recommended liquid superficial
velocitym/sSm3/daym/sSm3/dayMax recommended gas superficial
velocitym/sMSm3/daym/sMSm3/dayDialogHeightsmallSheets
positionSheetlinecolumnold lineold columnSSH97Data1.01.0Calculation
of humidityflow/kmole/hminmax legalall input legalOld valueFlow of
H2O0.0011000000.0Total
flow0.0011000000.0vanndamptrykk15.5364111400402barSaturation
temperatureCRelativ fuktighet%Data for plot of accumulated
corrosionLinestart dateend datetime periode / yeartimeAcc
corr0.01998.00547570157440.00.9993155373032171999.0047912388815.00.9993155373032172000.0041067761815.01.002053388090352001.0061601642715.00.9993155373032172002.0054757015725.05.06.07.08.09.010.011.012.013.014.015.016.017.018.019.020.021.022.023.024.025.026.027.028.029.030.031.032.033.034.035.036.037.038.039.040.041.042.043.044.045.046.047.048.049.050.0xCalculated
results from NORSOK
M-506ProjectaEquipmentaIdentifiercCommentdINPUTTemperature90.0CPressure10.0barTotal
mass flow-kmole/hCO2 content in gas10.0mole%Shear
stress10.0PapH5.0Glycol concentration10.0%Inhibitor
efficiency5.0%OUTPUTCO2 fugacity0.98barGlycol reduction
factor0.8449Corrosion rate2.2mm/yearCorrosion rate with inhibitor
or glycol effect1.9mm/yearxxCalculated results from NORSOK
M-506ProjectEquipmentIdentifierCommentINPUTTemperature30.0CPressure10.0barTotal
mass flow-kmole/hCO2 content in gas10.0mole%Bicarbonate
concentrationmg/lIonic strengthg/lOUTPUTpH3.95.0xxCalculated
results from NORSOK
M-506ProjectsshEquipmentaIdentifiervCommenttestINPUTTemperature20.0CPressure10.0barTotal
mass flow100.0kmole/hWater mass flow2.0kmole/hOUTPUTRelative
humidity855.2%Dew point60.0CxxCalculated results from NORSOK
M-506ProjectEquipmentIdentifierCommentINPUTTemperature50.0CPressure10.0barSuperficial
liquid velocity6.0m/sSuperficial gas
velocity6.0m/sWatercut100.0Diameter (ID)100.0mmWater
density1024.0Oil density850.0Gas density10.83Water
viscosity0.5956cpOil viscosity1.1cpGas viscosity0.03cpMaximum
relative liquid viscosity0.5956Inversion point0.5Maximum relative
liquid viscosity7.06Rougness5.0E-5mCompressibility0.9Spesific
gravity0.8OUTPUTLiquid Viscosity0.5956cpShear stress-17.0PaxMAIN
MENU THE FLOW MENU THE PARAMETER STUDY MENU THE ACCUMULATED
CORROSION MENU THE pH MENU THE SAVE MENU THE HUMIDITY MENU 1.0
ABOUT THE NORSOK M-506 CORROSION RATE CALCULATION MODEL The save
menu provides two different alternatives: OPTIONS OPTIONS OPTIONS
ACCUMULATED CORROSION OPTIONS 1. Save data in a new separate Excel
fileOPTIONS 2. Load a previous saved Excel file and add saved data
to this file UNITS UNITS RETURN Accumulated corrosion is corrosion
given in mm as function of time. Accumulated UNITS CALCULATE This
computer program is developed based on the corrosion rate model
given as Press the unit buttons to change the unit of temperature,
pressure, liquid flow, gas Press this button to get back to the
main menu. corrosion in a line in the table shown on the screen is
set equal to the accumulated Press the unit buttons to change the
unit of bicarbonate, ionic strength, temperature, If it is wanted
to save data in a new separate Excel file the parameters that are
Press this button to calculate the relative humidity and the dew
point. equations in this Standard. The corrosion rate equations
given in NORSOK M-506 Press the unit buttons to change the unit of
temperature, pressure and CO2 partial flow and viscosity. corrosion
in the line above plus the calculated corrosion rate in the actual
line pressure and amount of CO2. supposed to be saved must be
turned on in this save menu. Click the button called describe the
formal model which shall apply, while the computer program itself
is an pressure. UPDATE CHART multiplied with the time difference
between the two lines. "Create new file" when the desired
parameters are turned on, and then the programOK optional aid which
the users of the model may apply such that they possess an
CALCULATE If you change a value in this menu, the chart will not be
updated unless you press CALCULATE will ask for the file name
before the program returns to the previous shown menu.Press this
button to get back to the main menu. efficient tool to conduct
corrosion rate calculations and parameter studies.CALCULATE
CORROSION RATE Press this button to calculate the shear stress and
flow regime. the update chart button. Press this button to
calculate the pH. In this case the current data will be saved as
the first set of data in the new file. Press this button to
calculate the corrosion rate by the NORSOK M-506 model. OPTIONS
CANCEL It is an overall principle for the use of this program that
the program is an aid in CO2 OK PRINT CONDENSED / FORMATION WATER
If it is wanted to use a previous saved file to save new data the
file can be loaded by Press this button to get back to the main
menu. All the values in this menu will be corrosion rate
assessments, but that the user of the program is responsible for
the USE AS INPUT: CO2 PARTIAL PRESSURE OR FUGACITY Press this
button to get back to the main menu and use the calculated shear
stress Press this button to print the chart as it is shown on the
screen. CALC pH Choose condensed water or formation water. If
conduced water is chosen both the pressing the Load button. In such
cases it has no meaning to turn on or off any restored. results and
the final material selections. Therefore the user of the program
must Use this option to select partial pressure or fugacity as
input. The fugacity of CO2 in the corrosion rate model. Press this
button to go to the pH calculation menu. bicarbonate concentration
and the ionic strength will be set to 0 g/l. parameters in the save
menu because the same parameters that have been saved perform a
critical evaluation of all results and the applicability of these
in each case (calculated if not given as input) is always used in
the corrosion model. SAVE in the loaded file earlier will still be
saved in this file. When a file is loaded in this way PRINT and in
each system/part of a system. CANCEL Press this button to save the
chart and a table with corresponding data in a separate CALC SHEAR
OK the actual parameters will not be saved automatic. The data will
only be saved by Press this button to print the input and output
values. CALCULATE SHEAR STRESS Press this button to get back to the
main menu without using the calculated shear Excel file. Press this
button to go to the shear stress calculation menu. Press this
button to get back to the main menu and use the calculated pH in
the clicking the buttons called "Save in current file" in the
different menus. As the computer program is distributed
electronically and may be used on comuters andThe wall shear stress
can be calculated from given liquid and gas velocities. Press
stress. All the values in the flow menu will be restored. model.
SAVE IN NEW FILE program versions outside the control of
NTS/NORSOK, users of the computer programthis button to enter the
menu for calculation of shear stress. ZOOM BUTTONS ACC. OFF / ACC.
ON Click the Cancel button to return to the previous menu without
creating a new file or Press this button to save the input and
output values in a separate Excel file. The are sole responsible to
verify that the computer calculations are in accordance with the
PRINT Use these buttons to make the chart on the screen bigger or
smaller. Use this button to switch from accumulated corrosion
(given in mm) actual corrosion CANCEL loading an old file. data can
either be saved in a new Excel file or a previous saved file can be
loaded equations in this standard.CALCULATE pH Press this button to
print the input and output values. (given in mm/year). Press this
button to get back to the main menu without using the calculated
pH. All and then the saved data will be added to this file. The pH
can be calculated from the given bicarbonate concentration. Press
this CHART TITLE the values in this menu will be restored. The CO2
corrosion rate calculation program shall only be used by
experienced button to enter the menu for calculation of pH. SAVE IN
NEW FILE If the default check box is turned on a default chart
title will be used. Otherwise, any SHOW CHART / SHOW TABLE SAVE IN
CURRENT FILE material engineers. Press this button to save the
input and output values in a separate Excel file. The chart title
may be given. Use this button to switch between a table with the
results and a graphic presentation PRINT Press this button to save
the input and output values in the same file that has been
PARAMETER STUDY data can either be saved in a new Excel file or a
previous saved file can be loaded of the results. Press this button
to print the input and output values. used for saving values
before. Values for the same parameters that have been The program
covers only calculation of corrosion rates where CO2 is the
corrosive Press this button to get a graphic representation of the
corrosion rate as function of and then the saved data will be added
to this file. THE SHOW MENU saved in this file before will be
saved. agent. It does not include additional effects of other
constituents which may influence the input parameters. PARAMETERS
INSERT LINE SAVE IN NEW FILE the corrosivity, e.g. contamination's
of O2, H2S etc. If such constituents are present, SAVE IN CURRENT
FILE Use this button to insert a new line with the given input
values and a corresponding Press this button to save the input and
output values in a separate Excel file. The SHOW CURRENT FILE which
is common in e.g. produced water systems, these effects must be
evaluated ACCUMULATED CORROSION Press this button to save the input
and output values in the same file that has been 1. VARIABLE
PARAMETER corrosion rate in the table. data can either be saved in
a new Excel file or a previous saved file can be loaded RETURN
Press this button to see the data that has been saved in the
current file. separately.Press this button to enter a menu where it
is possible to get a time dependent used for saving values before.
Values for the same parameters that have been The 1. variable
parameter represents the parameter at the x-axis on the chart. and
then the saved data will be added to this file. Press this button
to get back to the previous menu. representation of the corrosion
rate. saved in this file before will be saved. Temperature, pH, CO2
partial pressure and shear stress can be chosen as 1. DELETE LINE
Design principles for material selection and the philosophies which
shall apply are variable parameter. If CO2 is given in mole% the
pressure, and not the CO2 partial Delete the data in the line
specified in the menu. SAVE IN CURRENT FILE PRINT INPUT PARAMETERS
given in NORSOK standard M-001 "Material Selection". The
requirements in CALCULATE HUMIDITY SHOW CURRENT FILE pressure, can
be given as 1. variable parameter. Press this button to save the
input and output values in the same file that has been Prints the
data shown in the table at the screen. NORSOK M-001 shall always
apply, and shall be used when generating input data The relative
humidity can be calculated. Press this button to enter the menu for
Press this button to see the data that has been saved in the
current file. CLEAR TABLE used for saving values before. Values for
the same parameters that have been PROJECT, EQUIPMENT, IDENTIFIER
AND COMMENT and when interpreting results from this CO2 corrosion
rate calculation program. It is calculation of relative humidity.
RANGE VALUES Press this button to delete all the data in the table.
saved in this file before will be saved. ZOOM BUTTONS The project
name, equipment, identifier and any comments can be given. These
important to note that the program may use or generate data which
are outside the EXPERT INPUT The minimum and maximum range values
represent the minimum and maximum Use these buttons to make the
table on the screen bigger or smaller. names can be saved together
with other data when the save buttons are pressed. It limits of
NORSOK M-001. One example is corrosion inhibitor efficiency, where
PRINT Press this button to show the parameters viscosity, density,
inversion point, values on the x-axis. ZOOM BUTTONS SHOW CURRENT
FILE is not necessary to enter any text to these parameters. NORSOK
M-001 provides maximum allowable values, while this program accepts
all Press this button to print the input and output values.
roughness, compressibility and specific gravity. When the user
interface starts, Use these buttons to make the chart on the screen
bigger or smaller. Press this button to see the data that has been
saved in the current file. SCROLL BARS values from 0 to 100%. In
case of conflict, NORSOK M-001 shall apply. default values will be
used for these parameters until the user choose to use other 2.
VARIABLE PARAMETER Use the scroll bars to move the table up, down,
left or right. TEMPERATURE SAVE IN NEW FILE values. The 2. variable
parameter represents the parameter witch is varied in the three
lines RETURN Allowed range is from -16 C to 200 C. The temperature
can be given in C or F. The computer program has a main dialogue
box, denoted as the "Main Menu", Press this button to save the
input and output values in a separate Excel file. The in the chart.
Temperature, pH, CO2 partial pressure and shear stress can be
chosen Press this button to get back to the main menu. The values
in the table for INPUT PARAMETERS where all corrosion rate
calculations can be performed. All input parameters can be data can
either be saved in a new Excel file or a previous saved file can be
loaded DEFAULT CHECK BOXES as 2. variable parameter, but the 2.
variable parameter can't be equal to the 1. accumulated corrosion
will be lost if they have not been saved. TOTAL PRESSURE entered
into the program directly at this stage for point calculations.and
then the saved data will be added to this file. There are default
check boxes for the density, viscosity, inversion point, roughness,
variable parameter. If CO2 is given in mole% the pressure, and not
the CO2 partial PROJECT, EQUIPMENT, IDENTIFIER AND COMMENT Allowed
range is from 1 bar to 500 bar. The total pressure can be given in
bar or psi. compressibility and specific gravity. When a default
option is turned on, a built inpressure, can be given as 2.
variable parameter.PRINT The project name, equipment, identifier
and any comments can be given. These As options and support
functions, it is possible to calculate several of the main input
SAVE IN CURRENT FILE function or default value is used for the
actual parameter.Prints the data shown at the screen. If the table
with data is shown, the table will be names can be saved together
with other data when the save buttons are pressed. It TOTAL MASS
FLOW parameters by selecting optional dialogue boxes. Such options
are:Press this button to save the input and output values in the
same file that has been THE FIRST, SECOND AND THIRD VALUES printed,
and if the chart is shown, the chart will be printed. is not
necessary to enter any text to these parameters. Allowed range is
from 0.001 to 1000000 kmole/h. used for saving values before.
Values for the same parameters that have been These data represent
the values of the second parameter in the three different lines *
pH calculationssaved in this file before will be saved. INPUT
PARAMETERS in the chart. SAVE TEMPERATURE WATER MASS FLOW * shear
stress calculations Save the table with the results. Allowed range
is from 5 C to 150 C. The temperature can be given in C or F.
Allowed range is from 0.001 to 1000000 kmole/h. * humidity
calculations for gas systemsSHOW CURRENT FILE PROJECT, EQUIPMENT,
IDENTIFIER AND COMMENT OTHER INPUT PARAMETERS Press this button to
see the data that has been saved in the current file. The project
name, equipment, identifier and any comments can be given. These
See help on main menu. LOAD TOTAL PRESSURE These program routines
are included in order to make the material selection names can be
saved together with other data when the save buttons are pressed.
Load a previous saved table with accumulated corrosion data and
recalculates the Allowed range is from given CO2 partial pressure
to 1000 bar. if the CO2 partial pressureRESULTS specialist able to
generate adequate input data for corrosion rate prediction based on
EXIT UNITS table. is below 1 bar, the minimum total pressure is 1
bar. The total pressure can be given in bar data normally presented
in process flow diagrams and design basis documents. The Exit the
NORSOK M-506 model. TEMPERATURE It is not possible to change the
units in the Parameter study menu. The units will be or psi.
RELATIVE HUMIDITY support program routines are prepared to give
adequate accuracy for corrosion rate Allowed range is from 5 C to
150 . The temperature can be given in C or F. the same as in the
Main menu, with exception of the CO2 amount if given as The
relative humidity given in percent will be calculated on basis of
the given input calculations, and shall not be used for other
purposes, e.g. genuine process, scale or kmole/h. The CO2 amount
will then be re-calculated to mole% CO2 in the Parameter PARAMETERS
TOTAL MASS FLOW values. The calculated humidity is only valid for
pure water, that is water with no glycol.flow calculations.INPUT
PARAMETERS TOTAL PRESSURE Study menu. Allowed range is from 0.001
to 1000000 kmole/h. The total mass flow is required to Allowed
range is from 1 bar to 1000 bar. The total pressure can be given in
bar or psi. LINE NUMBER calculate the CO2 partial pressure when the
amount of CO2 is given in kmole/h. The DEW POINTThe program is
explained in more detail in NORSOK Standard M-506.PROJECT,
EQUIPMENT, IDENTIFIER AND COMMENT Allowed range is from 1 to 50.
The line number specifies the actual line in the table. total mass
flow will therefore only be shown in the menu when kmole/h is
chosen as The dew point will be calculated for pure water on basis
of the given input values. The project name, equipment, identifier
and any comments can be given. These LIQUID VELOCITY / LIQUID FLOW
If the button called "Insert line" is pressed, the data will be
inserted in the line with the unit for the CO2 amount. It is
important that your computer uses a period as a decimal separator.
The program names can be saved together with other data when the
save buttons are pressed. Allowed range is from 0 to 20 m/s. The
liquid flow rate can be given as liquid the specified line number.
If the button called "Delete line" is pressed, the data in the will
not be able to calculate correctly if other symbols are used as
decimal separator. superficial velocity (unit m/s) or liquid flow
(unit Sm3/day). Press the unit button to specified line number will
be deleted. CO2 The decimal separator can be changed from the
option called international on the TEMPERATURE switch between these
units. Superficial liquid velocity equals the actual liquid
velocity Allowed range for the fugacity of CO2 is from 0 to 50 bar,
but the CO2 pressure control panel. Minimum screen resolution must
be 600X800. Allowed range is from 20 C to 150 C. The temperature
can be given in C or F. multiplied with the liquid volume fraction.
DATE can't be higher than the given total pressure. It is possible
to specify either the CO2 Both start date and end date must be
specified for each line with data. Dates are partial pressure or
the CO2 fugacity by using the option called "Use as input: CO2
Please note that whilst every effort has been made to ensure the
accuracy of the TOTAL PRESSURE GAS VELOCITY / GAS FLOW entered as
month (three letters) - year (four numbers). Example:
Feb-1998.pressure or CO2 fugacity" in the main menu. The amount of
CO2 can also be given NORSOK standards neither OLF nor TBL or any
of their members will assume Allowed range is from 1 bar to 1000
bar. The total pressure can be given in bar or psi.Allowed range is
from 0 to 40 m/s. The gas flow rate can be given as gas superficial
in either bar, psi, mole% or kmole/h. liability for any use
thereof.The total pressure must be higher then the CO2 partial
pressure.velocity (unit m/s) or gas flow (unit millions of
Sm3/day). Press the unit button to OTHER PARAMETERS switch between
these units. Superficial gas velocity equals the actual gas
velocity See help on main menu.BICARBONATE TOTAL MASS FLOW
multiplied with the liquid volume fraction. Allowed range is from 0
to 20000 mg/l. The concentration of bicarbonate can be Allowed
range is from 0.001 to 1000000 kmole/h. The total mass flow is
required to UNITS given in mg/l or molar. The molecular weight of
bicarbonate (HCO3-) is 61.02 g/mole. calculate the CO2 partial
pressure when the amount of CO2 is given in kmole/h. The WATERCUT
It is not possible to change the units in the Accumulated corrosion
menu. The units This means that 1 M bicarbonate equals 61020 mg
bicarbonate/l. total mass flow will therefore only be shown in the
menu when kmole/h is chosen as Allowed range is from 0 to 100 %.
The watercut gives the amount of water in the will be the same as
in the Main menu. the unit for the CO2 amount. liquid phase. IONIC
STRENGTH Allowed range is from 0 to 175 g/l. The ionic strength can
be given in g/l or molar. CO2 DIAMETER When the ionic strength is
given in g/l it is assumed that NaCl is the dominant specie Allowed
range for the fugacity of CO2 is from 0 to 10 bar, but the CO2
pressure The diameter can be any positive number. The calculation
of shear stress is requiresin the solution. The molecular weight of
NaCl is 58.44 g/mole. This means that an can't be higher than the
given total pressure. Due to lack of data points at
fugacitiesturbulent flow. This means that the diameter and the flow
velocities must be given valuesionic strength of 1 M equals an
ionic strength of 58.44 g/l. below 0.01 bar, the calculation is
uncertain at CO2 fugacities below 0.01 bar.that results in a
Reynold number above 2300. The amount of CO2 can be given in bar,
psi, mole% or kmole/h. It is possible to specifyeither the CO2
partial pressure or the CO2 fugacity by using the option called"Use
as input: CO2 pressure or CO2 fugacity". DENSITY RESULTS SHEAR
STRESS The allowed ranges for the density of water, oil and gas
are: Allowed range is from 1 to 150 Pa. 995 to 1050 kg/m3 for water
density, pH 600 to 1100 kg/m3 for oil density, The pH will be
calculated on basis of the given input values. pH 1 to 1700 kg/m3
for gas density. Allowed range: 3.5 to 6.5. For condensed water
systems, the pH in a solution saturated with iron carbonate is
VISCOSITY also calculated. GLYCOL CONCENTRATION The allowed ranges
for the viscosity of water, oil and gas are: The glycol
concentration is given in percent. Allowed range is from 0 to 100
%. If you 0.17 to 1.1 cp for water viscosity, don't want any glycol
effect on the calculation of the corrosion rate, just enter 0 % of
0.2 to 200 cp for oil viscosity, glycol. 0.02 to 0.06 cp for gas
viscosity. The viscosity of water, oil and gas can be given in cp
(centipoise) or N*s/m2. INHIBITOR EFFICIENCY The effect of
inhibitor is given in percent. Allowed range is from 0 to 100 %.
The ROUGHNESS inhibitor efficiency equals the value of the
corrosion rate adjusted for the inhibitor Allowed range for the
roughness of the steel is 0 to 100 m. effect divided with the
corrosion rate without any inhibitor effect multiplied with 100. If
no inhibitor effect on the calculation of the corrosion rate is
desired, enter 0 % COMPRESSIBILITY inhibitor efficiency. Allowed
range is from 0.8 to 1. The compressibility gives the deviation
from ideal gas. RESULTS SPECIFIC GRAVITY Allowed range is from 0.5
to 1. FUGACITY The CO2 fugacity will be calculated based on given
temperature, pressure and given INVERSION POINT amount of CO2.
Allowed range is from 0.3 to 0.9. The inversion point is the
watercut that gives the maximum liquid viscosity. GLYCOL CORRECTION
FACTOR The glycol correction factor will be calculated based on the
given glycol MAXIMUM RELATIVE LIQUID VISCOSITY concentration. The
glycol correction factor equals the value of the corrosion rate
Allowed range is from 1 to 100. This number gives the ratio between
the liquid adjusted for the effect of glycol divided with the
corrosion rate without any glycol viscosity at the inversion point
and the viscosity of pure oil. effect. CORROSION RATE WITHOUT
GLYCOL OR INHIBITOR EFFECT RESULTS The calculated corrosion rate
without any correction factors will be shown when the button called
"Calculate corrosion rate" is pressed. SHEAR STRESS The shear
stress will be calculated on basis of the given input
values.CORROSION RATE WITH GLYCOL OR INHIBITOR EFFECT The
calculated corrosion rate with correction factor will be shown when
the button LIQUID VISCOSITY called "Calculate corrosion rate" is
pressed. If the effect of inhibitor is higher than the The liquid
viscosity will be calculated on basis of given input values. The
liquid effect of glycol, the corrosion rate with only the inhibitor
effect will be shown. If the viscosity will only be shown if the
button called "Expert input" is pressed and all the effect of
glycol is higher than the effect of inhibitor, the corrosion rate
with only the input parameters are shown in the flow menu. glycol
effect will be shown. If there is no effect of glycol or inhibitor,
only the corrosion rate without any correction factors will be
shown.NORSOK M-506, CALCULATION OF ACCUMULATED CORROSIONLine
no.Start timeEnd timeTemperaturePressureTotal flowCO2CO2
fugacityShear StresspHGlycol conc.Inhibitor efficiencyCorrosion
rateAccumulated
corrosionDateDateCbarkmole/hkmole/hbarPa%%mm/yearmmxNORSOK M-506,
CALCULATION OF ACCUMULATED CORROSIONLine no.Start timeEnd
timeTemperaturePressureShear StresspHGlycol conc.Inhibitor
efficiencyCorrosion rateAccumulated
corrosionDateDateCbarbarbarPa%%mm/yearmm0.0020.0020.0020.002x
