2012.1_release_notes.pdf

8/10/2019 2012.1_release_notes.pdf

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PIPESIM* production system analysis software

Versions 2012.1 and 2013.1

Release Notes (Beta)


2/39

PIPESIM Versions 2012.1 and 2013.1 Release Notes (Beta)

Page 2Schlumberger Private - Customer Use

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Contents

DVD for PIPESIM 2012.1 and 2013.1 .......................................................................... 4

PIPESIM 2013.1 ......................................................................................................... 5

A Better, More Efficient User Experience .......................................................................... 5

New Features in PIPESIM 2013.1 ................................................................................ 6

Well Modeling ................................................................................................................ 6

Enhancements and Changes ........................................................................................... 8

Functional Limitations (Relative to PIPESIM 2012.1) ..................................................... 9

Summary of functionality available on different platforms ........................................... 10

Known Issues in PIPESIM 2013.1 .............................................................................. 11

Appendix A: Issues addressed for PIPESIM 2011.1..................................................... 12

Appendix B: Enhancement History ............................................................................ 14

Enhancements and changes for PIPESIM 2011.1 .............................................................. 14

New Features in PIPESIM 2011.1 .............................................................................. 16

Artificial Lift Enhancements and Additions ....................................................................... 16

New Mechanistic Flow Correlations & Related Enhancements ............................................ 18

Flow Assurance Related Enhancements ........................................................................... 19

Fluid Modeling Enhancements ........................................................................................19

SIS Flash is based on Reporting Enhancements ............................................................... 20

Optimization Enhancements ...........................................................................................21

Solver Enhancements ....................................................................................................22

Other Enhancements .....................................................................................................22




Enhancements and changes for Gas Lift Optimizer 2008.1 ................................................ 34




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DVD for PIPESIM 2012.1 and 2013.1

ThePIPESIMDVDcontains

ThemainPIPESIMprogramsanddocumentation,includingMultiflash

TheLinux

PIPESIM

programs

and

documentation

o 64bitengines

o IntelMPI

TheDBRSolidsPVTpackage

TheSchlumbergerLicensingtool

Thirdpartytools(suchasDongleDriversandthelinktodownloadAcrobat)

ThelegacyversionofFPT

Forfurtherdetails,refertotheInstallationandLicensingGuidesuppliedwiththesoftware.ThePDFfileis

locatedontheDVDinthisdirectory:PI PESI M\ program f i l es\ Schl umberger \ PI PESI M\ Pr ograms\


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PIPESIM 2013.1

PIPESIM2013.1introducesthenextgenerationuserinterfacefortheindustryleadingPIPESIMmultiphase

flowsimulator.TheexistingPIPESIMengine,whichhasbeenextensivelyvalidatedandimprovedthroughout

itsdevelopmentsince1984,continuestobeusedforperformingsimulationcalculations.

PIPESIM2013.1leveragesthelatestMicrosoftsoftwaretechnologiesincludingMicrosoft.NETFramework

4.0,WindowsPresentationFoundation(WPF),andWindowsCommunicationFoundation(WCF).Building

onextensiveusabilitytesting,PIPESIM2013.1featuresamodernlayoutsimilartothatofMicrosoftOffice

2010.

A Better, More Efficient User Experience

ThePIPESIM2013.1userinterfacehasbeencompletelyrewrittenwithafocusonachievingastepchangein

userexperience.Theguidingprinciplebehindthisnewdesignistoenableyoutoworkmoreefficientlyand

getresults

faster.

Notable

improvements

include:

AnewlayouttoprovideeasyaccesstoPIPESIMfunctionality,accessiblethroughtheRibbon

toolbars.

Consistentdesignpatternandcolorschemethroughouttheinterface.

Theoptiontoworkwithin,andeasilyswitchbetween,awellcentricornetworkcentricapplication

layouttosimplifytheoverallworkenvironment.

Asubstantiallyimprovedwaytobuildingnetworks.Thesinglebranchviewfrompreviousversions

ofPIPESIMhasbeenmergedintothemainnetworkdiagramsothatallequipmentisvisibleatthe

networklevel.

Buildingwells

is

now

much

easier,

through

the

use

of

anew

graphical

wellbore

schematic

shared

by

otherSchlumbergerInformationSystems(SIS)softwareapplications.

Theintroductionofasingle,modelesspropertieseditorenablesyoutoviewandchangeataglance

allpropertiesfortheobjectyouselectwithoutclosingandreopeninganothereditor.

Resultsarenowmoreconsolidatedandviewablewithinthesameeditorusedtoconfigurethe

simulationtask.Anewresultsviewerintroducesasimplifiedapproachtomanagingresults.

Theworkspacelayoutiscustomizableandincludesinputandtaskpanesforeasiernavigation.A

messagecenterprovidesbetterfeedbackonsimulationprogressandmessages.

Modelsarenowvalidatedcontinuously.Wevealsoaddedvalidationcuesintheeditorandanew

validationtabthatdirectsyoutothespecificobjecteditorrequiringattention.

Finally,forPIPESIM2013.1usersworkingwithotherSISproductionproductssuchasOilFieldManager*

(OFM)2012,youwillnoticeaconsistentlookandfeelacrosstheproductionsoftwareproducts.


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New Features in PIPESIM 2013.1

PIPESIM2013.1offersmanyofthebasicworkflowsandfeaturesofpreviousPIPESIMreleases,alongwith

severalnewfeaturestoenhanceuserexperience.

Keyfunctionalityincludes:

Wellmodeling

Networksimulation

Blackoilfluidmodeling

Resultsmanagement

Well Modeling

Wellbore Schematic

PIPESIM2013.1introducesanew,highresolutionwellboreschematicthatvisuallyrepresentswell

equipmentand

properties.

Key

features

include:

Optionalwellcentricmodeforperformingsimulationtasksspecifictowells

Interactivewellboreschematictobuildawelldiagrammatically,withdraganddropsupportfor

wellboreequipment

Flowpathvisualizationandvalidationofsolvableconfigurations,basedonthemechanical

configurationofthewellbore

Advancedfilteringofcompletionconfigurationsandinflowmodels,basedonwellboredeviation

surveys

Configuration

of

surface

equipment

in

the

wellbore

schematic

to

allow

expanded

well

definition

in

wellcentricworkspaces

Supportformodelingandvisualizationoftwo andthreedimensionalwellboreprofiles

StandardAPIcatalogsforcasingandtubing

Welltemplatestoquicklycreateandsavetemplatesrepresentingseveralwellconfigurations

Well Simulation Tasks

PIPESIM2013.1offersthefollowingwellsimulationtasks,forbothproductionandinjectionwellswith

singlelayerormultilayerconfigurations:

Pressure/TemperatureProfile

Generate

profile

results

and

plots,

with

hundreds

of

customizable

flowandflowassuranceparameters.

NodalAnalysis Identifyproductionbottlenecksandoptimizewellperformance.

VFPTables GenerateVFPtablesusedbyavarietyofreservoirsimulatorsincludingECLIPSE*.


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Network Modeling

PIPESIM2013.1enablesyoutobuildandsolvecomplexproductionandinjectionnetworks.Keyfeatures

include:

Enhancedvisibilityonthenetworkdiagram(allnetworkelementsexposedatasinglelayer)

Asearchable

input

pane

and

context

sensitive

property

editor

that

makes

navigation

and

object

configurationmoreefficient

NetworkspecificRibbontoolbarsdedicatedtomodelbuildinganddataconfiguration

Resultsannotationonthenetworkdiagram,withflowdirectionindicators

Centralizeddatamanagersthatmakeiteasytoconfigurenetworkdataandsimulationsettingssuch

asflowcorrelations,heattransferoptions,environmentaldata,andfluidproperties

Validationofnetworkboundaryconditions,whichcanhelpidentifysolvablenetworkconfigurations

Theabilitytoeasilyswitchfromsimulatingafullnetworkincludingwellstoasurfacenetworkwith

boundaryconditionsspecifiedatthewellstreamoutlet

Structuredtabularandgraphicalresultsforbranchandnodeobjects,withdetailedresultsfor

networkelementsembeddedintables

Fluid Modeling

PIPESIM2013.1supportsblackoilfluidmodeling,includingvarioustypesofhydrocarbonfluids.Keyfeatures

are:

Basefluiddefinitionwithawiderangeofcorrelationsandcalibrationoptions

Standardfluidtemplatesforvariousblackoilfluidtypes,alongwiththeabilitytocreatecustomfluid

templates

Afluid

manager

that

enables

efficient

management

of

fluids

and

fluid

source

mapping

for

large

networks,includingphaseratiooverridesforspecificsources

Results Management

PIPESIM2013.1providesstructuredresultsforalltaskstomakeiteasiertoretrieve,assemble,and

manipulateresults.Forexample,

AnewlyintroducedStudyconceptenablesyoutorunmultipleinstancesoftasksforthesamewell

ornetworkandstoreresultsforeach,withouthavingtosaveseparatemodels.Resultsareclassified

basedontheparentstudy,timestamp,andentityassociatedwiththesimulationtask.

Standardtemplatesforresultvariablesenablecustomizableoutputvariablesbasedonthetypeof

application.You

can

also

create

custom

output

variable

templates

to

capture

results

of

interest.


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Enhancements and Changes

SIS Flash Is Obsolete

SISFlashisbasedonanearlierversionofthePVTiFlashandisnolongersupported.Keyimprovements

ofE300

over

SIS

flash

include

more

robust

phase

envelope

generation

and

better

prediction

of

liquid

viscosity.

AllmodelspreviouslysavedwithSISFlashwillnowuseE300Flash.

MultiFlash

AllthefollowingflashpackagesarepartofthePVTtoolbox:

Multiflash

E300

REFPROP*

GERG

DBR*

*AvailableinPIPESIM2012.1only.

Improved Accuracy of Critical Molar Volumes for Lower Molecular Weight

Inpreviousreleases,thecriticalmolarvolume(Vc)usedintheLohrenzBrayClark(LBC)viscositycorrelation

wascalculatedbyusingacorrelationfromtheoriginalLBCpaperwherethemodelisdescribed.

ExtrapolationofthiscorrelationformolecularweightfractionslowerthanC7producedinconsistentresults.

However,theVcvaluesusedforsuchlowermolecularweightfractionsarenowdirectlytakenfromthe

Multiflashdatabankandproducemoreaccurateresults.

Changes to Well and Network Models Opened and Saved in PIPESIM 2013

ModelsfromearlierversionsofPIPESIMthatareopenedinPIPESIM2013aresavedasnewfileswiththe

.PIPSextension.Ingeneral,

Thefilesizesofwellandsmallnetworkmodelsincrease.

Thefilesizesoflargenetworksdecrease.

Ifdiskspaceisaconcern,usefilecompressionsoftware,whichreducesmodelsizesbymorethanninety

percent.Forrecommendationsonmemory,seethesectionintheLicenseandInstallationGuidethatapplies

toyourversionofPIPESIM.


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Functional Limitations (Relative to PIPESIM 2012.1)

ThefollowingfeaturesinPIPESIM2012.1arenotyetavailableinPIPESIM2013.1.

Foradditionalinformationaboutfunctionality,pleaseseeWhichVersionofPIPESIMShouldIInstall?on

yourinstallationCD.YoucanalsoaccessthisdocumentfromthePIPESIMsetuppageduringinstallation.

Feature Examples

Artificialliftdesign Gaslift(valvedatabase,liftdesign,anddiagnostics),ESP

design,androdpumpdesignanddiagnostics

Note:PIPESIM2013doessupportsimulation.

Enduserextensibility OpenLink

Flowassuranceanalysis Corrosionmodeling,Salamaerosionmodeling,waxsub

coolingcalculationsalongprofileandbranchmaximums,and

waxdepositionanalysis

Fluidmodels PVTfileswithcompositioninformation(PIPESIM2013.1

supportsonly

PVT

Table

files)

and

steam

files

MultiphaseBoosters

Integrationwiththirdparty

applications

Avocet,AvocetIAM,AvocetWFM,HYSYS,andUniSim

Localization Spanish,Portuguese,Chinese,andRussianlanguagesettings

intheGUI

MFLfiles FluidscharacterizedwiththeMultiflashGUI

Networkconstraints Flowrateconstraints

Networkmodelsusing

folders

Subflowsheets

Reporting Highresolutionflowregimemaps

Specificwellandpipeline

simulations

Flowrateconstraintsonbranchlevel

WellOptimizermodule GasliftandESPoptimization


10/39



Summary of functionality available on different platforms

TherearethreePIPESIMversions.Themainversionis64bitandrunson64bitplatforms.Therearetwo64

bitversionsoftheengines,forWindowsandLinux,whichareprimarilyintendedforcoupledsimulation

usingMPIandtheECLIPSEreservoirsimulators.

ThenewversionofPIPESIM,2013.1,runsonboth32and64bitmachines.TheearlierversionofPIPESIM,

2012.1,runson32bitonly.

Mainprograms Version

Win32 Win64 Linux64

Mainprograms

PIPESIM2013.1

PIPESIM2012.1

Singlebranchengine

Networkengine

OpenLink

OLGAS

LedaFlow

Supportedoperatingsystems

Windows7(engineanduser

interface)

Windows7(PIPESIM2013.1

engingeanduserinterface)*

WindowsXP(PIPESIM2012.1

engineand

user

interface)

*

RedHatEnterpriseLinux5(Engine

only)

*Limitedsupport

Foradditionalinformationaboutfunctionality,pleaseseeWhichVersionofPIPESIMShouldIInstall?on

yourinstallationCD.YoucanalsoaccessthisdocumentfromthePIPESIMsetuppageduringinstallation.

Notes:

DBRisnotavailableon64bitmachines.

OtherversionsofOLGASmaybeavailablefromSPT.TheOLGASlicensecannotbeusedonavirtual

machine(such

as

VMWare

or

Remote

Desktop)

or

on

Citrix

machines.

In

addition,

when

running

PIPESIMasapublishedapplicationonaremotemachine,thesimulationcanberunonlyinexpert

mode.

UserAccessControl(UAC)LimitationsPIPESIMrunswiththelowestavailablepermission.The

Windows7limitationwithUserAccessControl(UAC)nowappliestoPIPESIM.Forexample,whenUACis

activated,itpreventsprogramsfromwritingtotheProgramsfolder.Ifyoucannotwritetothe

Programsfolder,dooneofthefollowing:

o Beforerunningcasestudies,copythefilestoawriteablefolder,suchastheDocumentsfolder.o RunPIPESIMasanadministrator.


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Known Issues in PIPESIM 2013.1

Model Folders Not Imported

Description

Sincefoldersarenotyetsupported,PIPESIMmodelsthatincludefoldersareimportedwithoutthefolders.

Asaresult,

the

original

model

layout

is

not

preserved.

Workaround

Manuallyrearrangeitemsimportedfromfolders.

After Installation, PIPESIM Does Not Start

Description

IfarequiredMicrosoftsecurityupdateismissing,PIPESIMwillnotstartaftertheinstallationsetupisrun.

Theupdateensuresthatexternallibrariesaresecurelyloaded.

Workaround

Verifythatthisistheissuebycheckingtheapplicationlogfilesin

%LOCALAPPDATA%\ Schl umber ger \ PI PESI M\ 2013 ( f or exampl e,c: \ user s\ \ AppDat a\ Local ) .Forinformationoninstallingtheupdate,seehttp://support.microsoft.com/kb/2533623.


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Appendix A: Issues addressed for PIPESIM 2011.1

ThefollowingissueswerefixedinPIPESIM2011.1.

IssueId Component ShortDescription

2530125 Case

studies

Choke

Size

Calculation

Error

with

SI

units

2436803 FluidGeneral Improvementsmadetotheusercontrolandmanagementofglobal

(network)andlocal(completion,etc.)fluidsinPIPESIM.

2468156 Compositional Inafewspecialcircumstances(e.g.,theuserdefinescomponents

andthenchangestheflashpackage)thenewpackagemaynot

recognizecertaincomponents)resultinginerrors.Appropriate

messagesareprovidednow.

2491818 Compositional PhasedefinitionisdifferentbetweenMultiflashandPIPESIMGUI

2492773 Compositional AddedabilitytoprintextrapetroleumfractionpropertiesforE300,

DBRandSISFlash

2504697 Compositional Problemwithaqueousmolescomputationforwhenusersconvert

watermole

basis

to

vol

ratio

and

WGR

(PVTToolbox)

2510788 Compositional 3phaseflashfailure

2517925 Compositional OptionsgridpresandgridtempignoredifPVTfilehasembedded

table

2517951 Compositional Multiflashphaseidentificationissue

2531286

and

2502987

Compositional MissingpetroleumfractiondatainrevisionCPVTfiles.

Discrepancyinviscositycalculationb/wDBRandE300packages.

2536833 Compositional PIPESIM2010.1doesnotimportthePVOfilecreatedbyPVTi

2538649 Compositional Molarvolumeunitsincorrectwhenperformingaphasesplit

2569951 Compositional ReportedOil/water/Liquidviscositieswereidenticalwhenusinga

MFLfluid

file

for

aspecific

case

2572975 Compositional MixingMFLfilewithothercompositionsinanetworkmodelwas

notpossible

2560123 Database PIPESIM2010doesnotsavenewdataofwelltestforIPRtuning

2490795 ESPDesign ESP:reopeningESPUIresetsnumberofstagesto1

2411726 ESPDesign

(nonEnglishplatform)

RegionalOSsettingsinterferedwithESPdesignandrelated

databasetasks.

2502110

&

2502112

ESPDesign ESPdesignfailsforcertaincases

2491050 GasLift

Edited

valve

temperature

is

not

kept

after

performing

are

design

2504213 GasLiftOptimizer PIPESIMMarlimissueswithgasliftvalues(AvocetIAMrelated)

2534612 Help&

Documentation

ErrorinTubingTablesvaluesinonlinehelp

2552393 OLGAS SinglephaseflowcorrelationselectionoverriddenbyOLGAS

2522660 OpenLink CannotdeactivatewellconnectorsusingOpenLinkinPIPESIM2010

2500972 PSIMEngine 'Othervariable'limitsaresometimesaffectedbyunitsconversion

problem


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IssueId Component ShortDescription

2535406 PSIMEngine Latentheatenthalpyinconsistency

2559541 PSIMEngine Conflictbetweentheflowregimemapandtheoutputresults

2567774&

2567820

PSIMEngine Degradationandviscositycalculationswereincorrectforexplicitly

definedESPcurves.

2570447 PSIMEngine

FMD

component:

Catalog

curve

is

produced

with

wrong

flowrate

units

2411726 PSIMGUI Can'trunESPDesignwithFrench/PortugueseRegionalSettings

2436803 PSIMGUI Issuesrelatedtofluidmodelinginperformingsinglebranch

operationsforanetworkinjectionwell.

2481380 PSIMGUI ExportingmodelindifferentdirectoryleavesthePVTfileinoldone

(thispreventstheuserfromrunningasimulationfromthenew

directoryduetomissingfluidpropertydescriptionifPVTfilesare

used)

2502366 PSIMGUI Errorprocessinggeometry

2523374 PSIMGUI

PIPESIM

GUI

gets

stuck

in

infinite

loop

of

message

boxes

2523699 PSIMGUI SeveralReportToolDefects

2550258 PSIMGUI Unabletoassignspecificnamesforwellseventhoughthenames

arenotpresentlyinuse

2571686 PSIMGUI GUIprocessingofdataforbranchmassflowratelimitwasfaulty

andithasbeencorrectednow.

2578050 PSIMGUI Refreshbuttonfor'FlowlineProperties'tabledidn'trefresh.

2471360

2502111

PSIMNetEngine Noclearmessagetotheuserwhenmissingchokedataprevents

thesimulationfromrunning

2490241 PSPlot PSPlotsdefaultunitsnotworkingproperly

2508927 PSPlot

Errorwith

system

plot

after

running

"Reservoir

Tables."

2522367 PSPlot ErrorMessage:RunTimeerror'9':Subscriptoutofrange.

2568633 PSPlot PSPlotcannotopenplotfilesifthefileisopeninanotherprogram.

Confusingerrormessage.

2224290 RodPump Issuewhenusertriestorunadesignwithoutasinkerrod.

2498778 RodPump Reportoftherodpumpdesignisnotwrittentothecorrect

directory

2479144 RodPump RodPumplicensinghasbeensimplifiedandisnowconsistentwith

allotherPIPESIMlicensefeatures

2487155 SlaveInterface(IAM) Reportingvariablesatflowingconditionsimplemented

2505960 SlaveInterface

(IAM)

Numerical

accuracy

of

inputs

is

slightly

truncated

2523488 SlaveInterface(IAM) ProvideawindowsHPCversion


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Appendix B: Enhancement History

Enhancements and changes for PIPESIM 2011.1

PIPESIM 2011.1.1 a patch release of PIPESIM 2011.1

PIPESIM2011.1.1isanincrementalpatchreleasebasedonthePIPESIM2011.1release.Thepurposeofthis

releaseistoprovideimprovedsolutionforgasliftedwellsandresolveseveralothercriticaldefects.Fora

completedescriptionofthePIPESIM2011.1release,refertothenextsectionNewFeaturesinPIPESIM

2011.1.NotethatmodelssavedinPIPESIM2011.1.1maybeopenedinPIPESIM2011.1andviceversa.

UpdatedfeaturesinPIPESIM2011.1.1aredescribedbelow:

Improved Design Diagnostic and Simulation of Gas Lifted Wells:

Gas Lift Design (Valve parameter Calculation):

Itwasobservedincertaincircumstancesthatcalculationresultsofseveralvalveparameters(testrack

openingpressure,

surface

opening

pressure,

surface

closing

pressure,

etc)

were

missing

for

the

bottommostvalveselectedbythedesign.Thiscouldseverelyimpactsimulationoperationsinvolving

gasliftedwellsandespeciallythegasliftdiagnosticoperation.Thishasbeenresolved.(SWIFTIssue:

2601918).

Gas Lift Diagnostics (Multilayer Wells):

Gasliftdiagnosticsformultilayerwellsdidnttakeintoaccountthestatusofoneofthelayersifthat

layerwassettoinactivestatus.Asaconsequence,thediagnosticoperationyieldedanunrealistic

result.Thefixhasensuredacorrectandconsistentresult.(SWIFTIssue:2580054).

Gas Lift Simulation (Solution inconsistency):

Gasliftwellswithnnumberofvalvesarelikelytoproduceupton+1possiblesolutions.Thisdepends

onwhichofthesenvalvesareoperatingandallowsforasolutiontoexistwithnogasinjectionatall.

Incertainsituations,thismaycauseinconsistencyinthewellperformancecalculation,inparticularifa

solutionexiststhatdoesnotinjectgas.Itisevidentthatthepurposeofanygasliftvalveisnotjustto

unloadawellduringstartup,buttoalsoenhanceperformanceofanaturalflowingwell.The

improvementensuresthatifliftgasisspecified,itisalwaysinjectedtooneofthevalvesdependingon

tubularandannularpressuredistribution.(SWIFTIssue:2592933).

Hydrate sub-cooling calculation results:

Areportingbugpreventedtheresultsofhydratesubcoolingcalculationsfrombeingdisplayed(note,this

didnot

affect

the

generation

of

the

hydrate

curve

on

the

phase

envelope).

This

has

been

fixed.

(SWIFT

Issue:

2600770).

Mass Balance error across network separator:

Incertainuncommonsituationswhenthenetworksolverchoosestoswitchoffoneofthebranches

between2networkseparators,amassimbalanceoccursacrosstheseparatortrain.Thisissuehasbeen

resolvednowandapropermassbalanceismaintainedasexpected.(SWIFTIssue:2594562).


15/39


16/39



New Features in PIPESIM 2011.1

PIPESIM2011.1isthemostsignificantreleaseofPIPESIMinanumberofyears,introducingnew

functionalitythroughouttheprogram.

Keynewfeaturesinclude:

1 New3PhaseMechanisticMultiphaseFlowModels:

a. LEDAFlowPointModel

b. OLGASv7.2

c. TUFFPUnifiedMechanisticModels

2 Improvedreporting:

a. AdditionalReportingofHeatTransferMechanisms

b. Reportingofpressuredropacrossgravelpack

c.

Redesignedonscreen

network

report

tool

3 IntegrationwithOLIsScaleChemforScalepredictionandimprovedcorrosionmodeling

4 GERG2008EquationofStateforCO2richsystems

5 Variousgasliftoptimizationenhancements

6 PCPsimulation(withperformancecurvecatalogsforPCMandWeatherford)

7 UpdatedRodPumpdesignanddiagnostics(internationalversionthatincludesLufkinpumps)

8 Viscositycorrectionsforsurfacepumpstomodeldiluents

9 VariousenhancementsforgeneratingECLIPSEVFPtables

10

Newcase

studies

and

tutorials

Morecompletedetailsareprovidedbelowbycategory.

Artificial Lift Enhancements and Additions

Enhanced Rod Pump Design & Diagnostic Modules

Key updates in rod pump design module:

Widerrangeofpumpingunitavailableforselection

Motorselectionfromanextensivedatabase

Abilitytospecifycrankrotationdirection

Strokeandspeedhavebeenlinkedtoselectedpumpingunitandmotorrespectively


17/39



Key updates in rod pump diagnostics module:

Abilitytospecifycranktypeandrotationdirection.

Abilitytospecifypositionsformasterweights,auxiliaryweights,andcounterweights

Extended equipment database:

TheRodpumpdatabasehasbeenextendedtoincludeover1600newpumpingunitsandseveral

modelsofprimemoversfromanumberofinternationalvendors.Additionalcranksandweightsare

alsoincluded.

Pumpingunitadditionsinclude:

InternationalModels:LufkinConventional,LufkinMarkII,AmericanConventional,Ampscotand

BakerTorqmaster.

Chinese

Models:

Er

Ji,

Da

An,

Bao

Ji,

Lan

Tong,

Si

Ji,

Tong

Hua,

Lan

Shi,

Fu

Shun,

San

Ji

&

Xin

Jiang

PrimeMoveradditionsinclude:

InternationalModels:Sargent,GeneralElectric,Reliance,Robbins&Meyers,Westinghouseand

Baldor.

ChineseModels:ErJi,DaAn,BaoJi,LanTong,SiJi,TongHua,LanShi,FuShun,SanJi,XuZhouand

XinJiang

Note: Rodpumpmodulescannotbeusedonvirtualmachines(VMWare,RemoteDesktops)oron

Citrix

machines.

Warning: TheRodPumpdatabaseisnotbackwardscompatibletoPIPESIM2010.Ifyouupgrade,

youmighthaveissuesifyouneedtoreinstallPIPESIM2010andruntheRodpump

designanddiagnostics.Beforeupgrading,backupyourdatabaseincaseyouwantto

reverttousinganolderversionofPIPESIM.

Progressive Cavity Pumps (PCPs)

ProgressiveCavityPumpsareanincreasinglycommonformofartificialliftforlow tomoderaterate

wells,especiallyforonshorefieldsproducingheavyoilsand/orsandladenfluids.PIPESIM2011.1

providestheabilitytosimulateprogressivecavitypumpswithkeyparametersavailableforsensitivity

analysis.

PCPperformancecurvesfromWeatherfordandPCMhavebeenaddedtoPIPESIMdatabasefor

selection.Usersmayalsodefinenewperformancecurves,whichisrecommendedforpumpsthathave

undergonefieldbenchtests.


18/39



New Mechanistic Flow Correlations & Related Enhancements

TUFFP 2-Phase and 3-Phase Unified Mechanistic Models

TheTUFFPUnifiedMechanisticModels(version2011.1,July2011)arethecollectiveresultofmany

researchprojects

performed

by

the

Tulsa

University

Fluid

Flow

Projects

(TUFFP)

research

consortium.

Thesemodelsdetermineflowpatterntransitions,pressuregradient,liquidholdupandslug

characteristics.A2phaseversionisavailableforgasliquidflowanda3phaseversionisavailablefor

gasoilwaterpipeflow.Thesemodelsarevalidforallinclinationangles,pipediametersandfluid

properties.

LedaFlow Steady-State Mechanistic Flow Models

TheLedaFlowPointModel(v1.2,August2012)issteadystateversionofthetransientmechanistic

modeldevelopedbySINTEFincollaborationwithTotalandConocoPhillips.Itwasfirstcommercialized

byKongsberginJune2011.The2phasemodelconsidersgasliquidflow,whereasthe3phasemodel

considersgasoilwaterflow.Itisapplicableforallinclinationangles,pipediametersandfluid

properties.

Updated OLGA-S Mechanistic Flow Models

Thelatestversions(7.2)oftheOLGAS2 and3Phasemechanisticflowmodelsarenowavailablein

PIPESIM.TheOLGASmechanisticmodels,developedbySPT,areapplicableforallinclinationangles,

pipediametersandfluidproperties.TheOLGASmodelwasdevelopedwithextensivedatacollected

fromtheSINTEFmultiphaseflowlaboratorynearTrondheim,Norwayandcontinuouslyupdated

throughtheOLGAVerificationandImprovementProject(OVIP).

Enhanced Flow Correlation Extensibility Mechanism

Themechanismforuserdefinedflowcorrelationshasbeenenhancedtoincludeboth2phaseand3

phaselinkages.Additionally,theabilitytospecifyinputswitchesandreportanyoutputvariable

associatedwiththeuserflowcorrelationisnowavailable.Newexamplecodetemplatesareprovided.

User Control of Downhill Pressure Recovery

Whenatwophasefluidflowsinapipethatisangleddownhill,theliquidphaseusuallyflowsfaster

thanthegas.Sometimestheliquidflowsdownhillatitsterminal,orcritical,velocity,wherebyitsspeed

islimitedbyfrictionagainstthepipewalls,andthereisnonetpressuregainduetotheelevation

change.Thisisoftencalledslackflowconditions.Themultiphaseflowcorrelationsusuallywillnot

model

slack

flow,

so

a

keyword

has

been

introduced

that

allows

a

choice

of

methods

for

simulating

howpressurerecoveryismodeledindownhillpipesections;itwillaffectthevalueforElevation

Pressuregradient.


19/39



Flow Assurance Related Enhancements

Scale Prediction

PredictionofscaleformationmaybeperformedbyusingaPVTfilegeneratedbyOLIsScaleChem

program(purchased

separately).

No

extra

license

for

PIPESIM

is

required.

The

PVT

file

contains

tables

ofallfluidphasesandtransportpropertiesrequiredforthermohydrauliccalculations.Additionally,this

filecontainsdetailedwaterchemistryinformationthatenablesPIPESIMtodeterminetheoccurrence,

type,location,andseverityofscaleformation.Variousprofilepropertiesrelatedtoscaleformationare

reportedinprofileplotsandtables,including:

Totalscaleconcentration

Individualscalespeciesconcentrations

Massratioofindividualscalespecies

PostScaleIndex

PreScaleIndex

Improvements to Corrosion Calculations

ThedeWaardCorrosionmodelforCO2corrosionhasbeenenhancedtoaccountforglycolinhibition

whenusingaMultiflash(MEGorDEG)fluidmodelorPVTfilesgeneratedbyScaleChem(MEG).

Additionally,ifScaleChemPVTfilesareused,waterpHistakenfromScaleChem.

Viscosity correction for user defined pump curves

Viscositycorrections(Turzomethod)arenowavailableasanoptionforuserdefinedpump

performancecurves.Thisisparticularlyusefulformodelingtheeffectsofdiluentsinjectedupstreamof

surfacepumpsforheavyoilapplications.

Fluid Modeling Enhancements

PVT file format enhanced

ThePVTfileformathasbeenenhancedtoallowdefinitionofsolidphases.Twoprogramscurrentlytake

advantageoftheseenhancements:

ScaleChem(OLI)topredictscaleformation.

DBRSolids(Schlumberger)topredictWaxandAsphalteneprecipitation

Additionally,thelimitofpressuretemperaturegridpointshasbeenincreasedto60(from20)toallow

formoreaccurateinterpolationoffluidproperties.


20/39



Multiflash Upgraded to version 4.1

Multiflashhasbeenupgradedtoversion4.1.Thisreleasecontainsgeneralmaintenanceupdatesand

severalnewfluidpropertycalculationmethods.Formoreinformation,pleaserefertoNewFeatures

andChangessectionoftheMultiflashuserguide(Help>MultiflashHelp).

GERG 2008 Compositional Package

GERG2008isathermodynamicpackagedevelopedbytheEuropeanGasResearchGroupfeaturinga

highlyaccurateequationofstatedevelopedspecificallyfornaturalgasesandisparticularlysuitedfor

conditionsoflowtemperatures(LNG)andhighmolarconcentrationsofCO2.Theequationsarebased

onamultifluidapproximationwhichisexplicitinthereducedHelmholtzenergy.TheGERG2008

equationofstateisunderconsiderationtobeadoptedasanISOStandard(ISO207652andISO20765

3)tocalculategaspropertiesforcustodytransfer.

NotethatGERGisapureflashpackage,andtransportpropertiesarepredictedbytheNISTREFPROP

thermodynamicpackage.

SIS Flash is based on Reporting Enhancements

Replaced *.pns files with *.pnsx files

PreviousversionsofthePIPESIMtabularreporttoolextractedresultsfromanASCII(*.PNS)file.With

PIPESIM2011.1,outputdataisnowwritteninXMLformattoa.PNSXfile.Thenewformatmakes

structuredreportingmoreflexibleforavarietyofpurposes.Whilesupportfor(*.pns)filehasbeen

discontinuedforallnewlyreportedparameters,.PNSfilesarestillavailableforbackwards

compatibility.

Enhancements to the Onscreen Report tool

Thetabularonscreenreporttoolusedprimarilyforviewingnetworksimulationresultshasbeen

extensivelyenhanced.Differentviewoptionsarenowavailablefornodeobjects(sources,sinks,

equipment,etc.)andprofileobjectswhichhavephysicaldimensionssuchasbrancheswhichmay

containflowlines,risersandwellbores.Thenewreporttooloffersseveralbenefits:

UserscanswitchbetweenNode&Branchviewsandperformadvancedfilteringbasedontypeof

equipmentandrangeofproperties(forexample,watercut,erosionrates,andsoon.)

Measurementsatflowingconditionsarereportedinadditiontostocktankconditions.

Previouslyhiddeninternalnodeobjectslocatedwithinnetworkbranchesarenowexposed

NetworklevelreportingofBottomHolePressures(BHP),TubingHeadPressures(THP),anddrawdown.


21/39



Thenewreporttoolismoreconvenientwhensearchingforspecificresults.Forexample,byfilteringon

theUpstream=PCOMPLETIONproperty,thereporttooldisplayspropertiesofbottomholepressures

foreachwell.

Additional Heat Transfer Reporting

PIPESIM2011.1reportsspecificcontributionsontemperaturechangesresultingfromthefollowingheattransfermechanisms:

Freeconvection

Forcedconvection

Conduction

JouleThomsoneffects

Elevationeffects

Overalltemperaturegradient

ThesevariablesarereportedinthePIPESIMOutputfileunderHeatTransferOutputDataaswellasin

spotreportsifselected.ThesevariablesarealsoavailableinPIPESIMplotfiles.Suchanalysisisvery

usefulwhenevaluatingmethodstoavoidsolidsformation(eg.insulationvs.inhibitorinjection).

Additional Reporting for Pressure Drop across gravel pack completions

PIPESIM2011.1explicitlyreportspressuredropacrossgravelpacksforbothopenholeandcasedhole

gravelpack

completions.

Optimization Enhancements

TheWellOptimizerModuleisanextensionofpreviouslynamedGasLiftOptimizermodule(GLO)to

offeranumberofnewcapabilitiesincluding:

SDRMINLP(MixedIntegerNonLinearProgramming)algorithmtohandlemorecomplexoptimization

problemsandachievebetterperformance

Chokecontrolfornaturallyflowingwells(generallyusedtohonorproductionconstraints)

Wellstatusmaybeautomaticallybeswitchedonandoff

Additionalwellconstraintsareavailable

Supportformultilayerwells


22/39



Solver Enhancements

Enhanced accuracy in Compositional interpolated Flash calculations:

FinergriddingisnowappliedwhenPVTtablesareusedtoapproximatecompositionalfluidproperties.

Thisresults

in

more

accurate

interpolation

of

fluid

properties

when

this

flashing

option

is

selected.

Best Solution Provided for Unconverged Network Simulation Cases:

Certainnetworksthatareeitherillconditionedorencounterissues(generallyflowregime

discontinuitiesorunstablewellbehavior)thatmaypreventsolutiontoatightconvergencetolerance

willreturnthebestsolutionachieved(asopposedtonosolution)iftheiterationlimitisreached

withoutreachingthetargettolerance.Awarningmessageisprominentlydisplayedwhichindicatedthe

targettolerancehasnotbeenreached.Bystudyingthebestsolution,causesfornotreachingthetarget

tolerancecanbemoreeasilyinvestigated.

Other Enhancements

VFP Table Enhancements

PIPESIM2011.1allowsuserstoincorporatetemperatureasanoutputforVFPTablesgeneratedfor

ECLIPSE.Inaddition,theusercanalsospecifythebottomholereferencedepthforVFPtablesgenerated

forECLIPSEandarepresentedwithasimplifieduserinterfaceforcreatingVFPtablesforinjectionwells.

Updated MPI version for use with Avocet IAM

TheversionofMPIusedbythenetworkenginehasbeenupdatedforcompatibilitywhenusedwith

AvocetIntegratedAssetModeler(IAM)tocoupletotheECLIPSEreservoirsimulators(versions2011.1).

IntelMPI(pnetstub_ilmpi.exe)isavailableforWindows32bit,Windows64bitandLinux64bit

environments.ForWindows64bit,MicrosoftHPSServer2008MPI(pnetstub_msmpi.exe)isalso

available.PlatformMPI(pnetstub_plmpi.exe)isavailableforLinux64bitenvironments.

Additional Example Case Studies, Tutorials, and General Documentation Improvements

AnumberofnewexamplecasestudieshavebeenincludedwiththePIPESIMinstallationtobetter

illustratenewandexistingfunctionality.Additionally,theonlinehelpsystemhasbeensignificantly

expanded,includingnewtutorialsandfurthertechnicaldetailsonanumberoffeatures.


NewPVTpackagesandRedesignoftheCompositionaldialogue

OpenLinksupportforthenewPVTpackages

ImprovedPIPESIMsimulationruntime

NewandfasterMoodyfrictionfactorcalculationmethods

ImprovedNetworktopologyanalysisandchecks


23/39



NodalAnalysisenhancedtoidentifyvalidOperatingPoints

SupportofWindows7

AdditionalRestartfunctions

RetirementofGoalandHoSim

Retirementof32bitLinuxnetworkengine

Framo2009

Multiphase

boosters

Updatedversionsofsupportingsoftwareandwhathaschanged

o DBRSolidso Multiflasho OLGASo RodPumpo FramoPumps

New PVT packages and Re-design of the Compositional dialogue

TheMultiflashpackagehasbeenupdatedandnewfeaturesadded.TwonewPVTpackageshavebeen

addedtheSchlumbergerDBRflashandtheNISTRefpropflash.Inaddition,anewversionofthe

Schlumberger

ECLIPSE

flash

has

been

created,

allowing

access

to

more

features.

Sixdifferentflashesarenowavailable:

Multiflash3phaseflash.Thishasbeenupdatedtoversion3.8.TheCPAequationofstatehasbeen

added.MFLfilescontainingtheCSMAequationofstatecanalsobeused,althoughthisrequiresanew

licensefeature.

SISflashoriginalinterfacetoECLIPSE2phaseflash.

E300flashnewinterfacetoECLIPSE2phaseflash,allowingextraEquationsofStateandimproved

phaseenvelopes.

DBRflash2phaseflash,whichhasamoreextensivecomponentlibrarythantheECLIPSEflash.

NISTRefpropflash2phaseflashusingHelmholtzequationofstate.

SIEPSPPTS

for

Shell

users

only,

Multiflash

3phase

flash

combined

with

Shell

Thermodynamic

properties.

Thecompositionaldialoguehasbeenredesignedtomakeiteasiertomanagetheseextraflashpackages.A

newcompositionaltemplatedialoguehasbeenadded,actingasasingleplacewherethePVTpackageand

modelscanbedefined.Thecomponenttemplatealsostoresthemasterlistofallcomponentsinthemodel,

ensuringthatpetroleumfractionshavethesamepropertiesforallfluids.

OpenLink support for the new PVT packages

ThenewPVTpackages theSchlumbergerDBRflash,theNISTRefpropflashandthenewversionofthe

SchlumbergerECLIPSEflashareavailablethroughOpenLink.

Improved PIPESIM simulation run time

PIPESIM2010.1enginehasbeenreviewedandoptimizedtoenablefastersimulation.Thenewengineruns

thesimulationwithareductionintimebetween10and40%comparedtothe2009.1engine.Inaddition,

theuserisgivenmorecontrolandcanselectsometradeoffbetweenspeedandaccuracy.Thehelp


24/39



documentationhasbeenupdatedtoprovidehintsonthePIPESIMconfigurationwhichenablessuchtrade

offs.

New and faster Moody friction factor calculation methods

TwoadditionalmethodshavebeenaddedforthecalculationoftheMoodyfrictionfactor.PIPESIMcan

calculatethe

Moody

friction

factor

using

either

an

iterative

implicit

method

(Colebrook

White

equation

(Moodychart)previousmethodinPIPESIM2009.1),anexplicitmethod("ExplicitReformulationofthe

ColebrookWhiteEquationforturbulentFlowfrictionFactorcalculation"byJ.SonnadandC.Goudar,Ind.

Eng.Chem.Res,2007,46,pp.25932600)orafastexplicitorapproximatemethod("Anapproximate

FormulaforPipeFrictionFactors"byLewisF.Moody,TransactionsASME,vol69,1947,pp.1005).The

defaultcalculationmethodforthefrictionfactoristheexplicitmethod.TheMoodyfrictionfactor

calculationmethodalsohasanimpactonthehorizontalandverticalflowcorrelationsasthefrictionfactor

usedtocomputethepressuregradientintheflowcorrelationswillbeevaluatedbasedonthemethod

specifiedbytheMoodyfrictionfactorcalculationmethod.TheSonnad2007linearapproximationgivesa

speedimprovementof5%overtheoriginalColebrookWhiteEquationwithanaccuracyofabout10%

comparativelytotheColebrookWhiteEquation.TheMoody1947approximationgivesaspeed

improvementof9%overtheoriginalColebrookWhiteEquationwithanaccuracyofabout25%

comparativelyto

the

Colebrook

White

Equation.

Improved Network topology analysis and checks

Anewmethodforanalysisandcheckingnetworktopologyhasbeenintroduced.ThisallowsPIPESIMto

handlemorenetworktopologiesthanbeforeasitbetterdetectsandmanagesloopsinthenetwork

topology.

Enhancements to Nodal Analysis

TheNodalAnalysisoperationhasbeenenhanced:

TheplotnowshowsexplicitplotmarkersonthevalidOperatingPointsintersections.Thisallowsvalid

andinvalidintersectionstobedistinguishedandthedataforthevalidonestobedisplayedaccurately.

AdditionalPIPESIMcasesarerunateachOperatingPointtocalculatethedata.Theprofileplotsfrom

thesecasescanalsobeviewed,usingReports>ProfilePlot.Theyarealsoavailableintheoutput

report.

Theoperatingpointspressuresandflowratescanbeobtained,numerically,fromtheDatatabonthe

plot,andfromtheoutputreport.

Theoutputreportliststheoperatingpointsasallcombinationsofinflowandoutflowsensitivity

variables,providingthepressureandflowrateforthevalidones,andthemessageINVALIDforthe

invalidones.

Thealgorithmthatgeneratespointsontheinflowandoutflowcurveshasbeenenhancedtoensure

eachcurvehasapointatallvalidoperatingpointsintersections.Theremainingpointsonthecurvesare

distributedto

ensure

they

are

clustered

in

regions

where

the

slope

changes

fastest.

ThePIPESIMplottingprogramPSPlothasbeenenhancedtoallowmultipleX series.Thisinturnallows

multipleinflowcurvestobedisplayedonthesameplotforwellswith2ormorecompletions.

Support of Windows 7

PIPESIM2010.1hasbeentestedandcertifiedonWindows764bitmachines.


25/39



Additional Restart functions

Whenusingtherestartfunction,PIPESIMcankeepallbranchesskippedintherestartfilepermanently

skippedoritcanresetthemtobeincludedinthesolutionagain.Thedefaultbehavioristokeepallbranches

skippedintherestartfilepermanentlyskipped.Anadvancedengineoptionallowsyoutoactivatethe

secondtypeofbehavior.

Retirement of flowrate lower limits option

Theflowratelimitsonbranchandwellshasbeenreworked.PIPESIMnolongersupportslowerflowrate

limits:upperflowratelimitsarestillsupportedhowever.Thoselimitsapplybothtoforwardandreverse

flows.Soanupperflowratelimitof2000STB/dwilllimittheflowtoamaximumof2000STB/d,

independentlyonwhethertheflowisgoingbackwardorforward.Asaresult,oldermodelhavingalower

limitsetwilllosethelowerlimitdatawhenopenedandsavedwithPIPESIM2010.1,whiletheupperlimit

willbekeptasthenewsinglelimit.

Enhancements to PsPlot

ThefollowingenhancementshavebeenmadetoPsPlotintheversionsuppliedwith2010.1PIPESIM:

1.

Option of adding multiple dataset series to the X axis. This allows the display of multiple inflow curves

for individual completions when the well contains multiple completions.

2. Added line formatting capabilities allowing for broken and thick lines and symbol styles

3. Improved formatting of axes annotation and data table entries

4. Improved automatic calculation of axes data range to give sensible number of increments

5.

Correct display of Revision A PVT table files

6. Remove limit of number of files that can be displayed in the files list (previously 30)

Retirement of FPT, Goal and HoSim

GoalandHoSimhavebeenretired.AlegacyversionofFPTisprovidedontheDVD.

Retirement of 32 bit Linux network engine

The32bitLinuxnetworkenginehasbeenretired.The64bitversionisstillavailable.


26/39



Framo 2009 Multiphase boosters

AnewpackagefromFramoEngineeringAShasbeenaddedtomodelFramoHelicoAxialMultiphase

boosters.Thepackagecomeswithdatafilesdescribingtheperformanceof13Framopumpsandnewfiles

canbeaddedwhenavailable.Thispackagesupersedestheprevious(1999)model,andisonlyavailableon

Windows32versionsofthePIPESIMengine.The13FramoHelicoAxialpumpsthatcancurrentlybe

modeledare

given

in

the

table

below:

Impellerdiameter(mm) Capacity(m3/h) MaximumpressureIncrease(Bar)

310 250 180

310 400 180

310 500 45

310 500 180

310

600

120

310 700 45

310 800 120

310 900 45

310 1100 45

310 1100 120

360 1200 38

360 1500 38

360 1800 38


Improvedheatlosscalculations:Partiallyburiedpipes

Improvedheatlosscalculations:Rameymodelforwells

Modified

Buried

Pipe

Ambient

Film

Coefficient

Improvedcalculationofblackoilenthalpy

ModifiedEnergyEquation

Rodpumpsimulation

DataMatching

ModifiedHoldupfactor

Waxsensitivity

Multiphasewaxdepositionmodeling

Multiflash3.7


27/39



SISflashmodifiedbehavior

UpdatedMPIforusewithR2SL

OlgasforLinux64bit

Shellflowcorrelations

64bitversionforWindows

PsPlotLocalization

ESPPumpCatalogueUpdate

AvocetGLOUpdate

Improved heat loss calculations: Partially buried pipes

Analyticalexpressionsforgroundconductionshapefactorshavebeenderivedfromsolutionstothesteady

stateheatconductionequationwithconvectiveboundaryconditionsonthepipeinsidewallandground

surfaces.Theseshapefactorsareusedtocomputethesteadystateheatlossfromfullyandpartiallyburied

pipes.Theresultsarecontinuousthroughtheentirerangeofburialconfigurations(fromburiedtoexposed)

andareaccuratetowithin2.5%ofrigorousnumericalsimulations.

Improved heat loss calculations: Ramey model for wellsAnewGUIdialoghasbeenaddedtoallowUvaluestobecalculatedinDetailedTubingModels.The

CalculationusestheRameyModelandallowstheusertoenterthetimethewellhasbeenoperating

togetherwithphysicaldimensionsandthermalpropertiesofthevariousinsulatinglayers.

Improved (Flow regime-dependent) Inside Film Coefficient (IFC)

AnewGUIdialoghasbeenaddedtoallowtheselectionofthemodelfortheinsidefilmcoefficient(IFC)

calculation.TherearetwomodelsavailabletheKaminskymodelandtheKreithseparateReynoldsnumber

model.TheKaminskymodelprovidesameansofextendingtheheattransfercalculationstoaccountfor2

phaseflow(inthesinglephaseregiontheKaminskyModelusesSiederTatecorrelation).

Modified Buried Pipe Ambient Film Coefficient

Theambientfilmcoefficientforburiedpipelines(whichisusedtomodelheattransferbetweentheearth

surfaceandthesea/air)hasbeenchangedtousethesamecorrelationasforfullyexposedpipes.Use

debugflag58toselectthepreviousmodel.

Improved calculation of blackoil enthalpy

Anew,improved,modelforthepredictionofthetotalenthalpyofablackoilfluidhasbeenadded.Thetotal

enthalpyatacertainpressureandtemperatureistheflowingmassfractionweightedsumoftheenthalpies

oftheoil,gasandwaterphases.Theenthalpiesoftheindividualphasesareobtainedfromapproximated

JouleThomsoncoefficientsanduserspecifiedspecificthermalpropertiessuchasheatcapacitiesandlatent

heatofvaporization.

Modified energy equation

PreviousversionsofPIPESIMusedasimplifiedenergyequationtocalculatetemperaturechangesinpipe

flow.Thishasbeenreplacedbyarigorouscalculationtakingintoaccountheatlossandpotentialenergy

terms.Changesinkineticenergyarestillignored.Changesinkineticenergyarestillignored.Usethe

followingenginekeywordstoselectthepreviousmodel:HEATDHEQUATION=1983.


28/39



Rod pump simulation

Anoutlinemodelofarodpumpisnowavailable.PumpperformanceisspecifiedwithasocalledNominal

Flowrate,whichrepresentsthepump'sdesignvolumetricflowrateatsuctionconditions.Asteeppenalty

functionisusedtopredictdischargepressure.Limitscanbesetformaximumdifferentialpressureand

availablepower.TheRodPumpisavailablefromtheDownholeEquipmenttabontheTubingdialog.The

Rodpump

simulation

can

be

used

for

pressure

/temperature

profiles

in

awell

model

and

can

be

used

in

the

wellcontainednetworkmodels.TheinitialmodelisdesignedforaRodPumpthatisoperatingundersteady

stateoperation.

Data Matching

Anewsinglebranchoperation,DataMatchinghasbeenaddedtotheGUI.Thisallowstheusertoselect

parameterswhichwillbeautomaticallysetusinganoptimizertominimizethedifferencebetween

measuredandsimulateddata.TheflowlineandriserGUIdialogueshavebeenupdatedtofacilitateentryof

measureddataunderthedetailedpipeline/riserdescription.

Modified Holdup factor

Theway

the

holdup

factor

is

used

in

flow

correlations

has

been

modified

in

the

light

of

experiments

with

the

newDataMatchingoperation.Previously,toallowthecorrelationtobetunedtomeasureddata,alinear

factorcouldbeusedtomultiplytheliquidholduppredictedbyaflowcorrelation.However,thiscanleadto

liquidholdupsof1,evenwhengasisflowing.Therefore,thelinearmultiplierhasbeensupplementedwitha

nonlinearterm,whichensurestheholdupremainsbetween0and1.Thenewholdupfactormustbe

between0and2.Torestoretheoldbehavior,debugflag807canbeused.

Wax sensitivity

ThewaxdepositionoperationhasbeenenhancedtoprovidesensitivityanalysisfortheSchlumbergerDBR

waxdepositionmodels.Itiscurrentlypossibletosensitizeon5waxpropertyvariablesforthesinglephase

modeland9propertiesvariablesforthemultiphasemodel,includingthemultipliersorcoefficientsforthe

moleculardiffusion

and

shear

reduction

mechanisms.

Multiphase wax deposition modeling

AnewSchlumbergerDBRwaxmultiphasedepositionmodelhasbeenaddedtothisrelease.Thismodelis

complementstheoriginalsinglephasemodelreleasedin2008.1.Atthistimetheuseofthismodelislimited

toSchlumbergersFlowAssuranceConsultantsasitcomplementstheadvancedmeasurementstechniques

forwaxdepositionthatareavailablefromSchlumbergerOilphaseDBR.

DBR-Solids 4.2

TosupporttheWaxdepositionmodelingworkflowinPIPESIMtheDBRSolidsPVTpackageissuppliedonthe

PIPESIMCD.TheDBRSolidsprogramsupportsthecharacterizationofcompositionalfluidsusingequations

ofstate.

The

program

provides

workflows

for

the

prediction

of

wax

and

asphaltene

precipitation

regions

andforthepredictionofWaxdepositioninpipelines.Theresultsofthewaxdepositionpredictionarethen

fedtothePIPESIMwaxdepositionoperationtocalculatetherateofwaxdepositionandthechangeinbulk

flowrateduetothewaxdepositedonthewalls.DBRSolidsisavailableasanadditionaladdonmodulefor

PIPESIM.

Multiflash 3.7

Multiflashhasbeenupdatedtoversion3.7.


29/39



SIS flash change of behavior

ThedefaultbehaviorofSISflashhasbeenmodifiedtoperformatwophase(liquidvapor)flash.Inthis

mode,allwaterendsupinthewaterphase,whichcontainsonlythewatercomponent.Thisbehavioris

consistentwiththeECLIPSEflash.

In

previous

versions

of

PIPESIM,

SIS

flash

attempted

to

perform

a

3

phase

flash

in

which

water

could

appear

inthevaporphase.Thisversionisnotsufficientlyreliableforsimulations,aswellasbeinginconsistentwith

theECLIPSEflash.The3phaseversioncanbeusedbysettinganoptionkeyword

COMPOSITIONSFLASH_TYPE=3PHASE

Updated MPI for use with R2SL

TheversionsofMPIusedbythenetworkenginehavebeenupdatedforcompatibilitywithAvocet

IntegratedAssetModelerandtheECLIPSEsimulators.OnWindows,32and64bitversionsareavailable

usingIntelmpi(pnetstub_ilmpi.exe).OnLinux,32and64bitversionsareavailableusingIntelmpi

(pnetstub_ilmpi.exe)andScaliMPI(pnetstub_scampi.exe).

Olgas for Linux 64

Version5.3.2Olgasisnowavailableforthe64bitLinuxnetworkengine.Thisrequiresversion2.4ofglibc.so,

whichcomeswithRedHat5orwithgcc4.1.

Olgas5.3.2isalsoavailablefor32bitWindows.

Shell flow correlations

ShellflowcorrelationscanstillbeusedwithPIPESIMbutarenolongersuppliedwiththePIPESIMinstall.

PeoplewishingtousetheShellflowcorrelationsshouldcontactShelldirectly.LicensingoftheShellFeatures

isstillcarriedoutbySchlumberger.

64 bit version for Windows

64bitversionoftheenginesisavailableforWindows64machines.Theseareprimarilyintendedforuse

withAvocetIntegratedAssetModelerandR2SL.The64bitengineisinstalledinaProgramsx64directory,

alongsidethe32bitengineintheProgramsdirectory.However,anumberofthe3rdpartypluginsarenot

availableontheWindows64bitplatform;theseincludeDBRWax,Multiflash,andOLGAS.Notethatthe32

bitenginescanalsobeusedon64bitoperatingsystems.

PsPlot Localization

Thedisplayofaxisanddataserieslabelscanbetranslatedintothelocallanguageusingadictionaryfile

calledPsPlotdict.txtwhichmustbelocatedintheinstallationdirectoryofthePsPlotXexecutable.The

dictionaryfileshouldcontaintwocolumnsofcharacterstringsseparatedby,withtheEnglishlabelsfirst,

followedbytherequiredlanguagetranslation,oneperline.Onlysinglebytelanguagestringsarecatered

for.

Aplotlabeltemplateisprovided(PsPlotdict.tmp)forwhichtranslationscanbecreatedinthedesired

language.ARussiandictionary(partial)isalsoprovidedasPsPlotdict.rus.Ineachcase,thedictionaryshould

becopiedtoafilecalledPsPlotdict.txttobeutilizedbyPsPlot.


30/39



PIPESIM HELP System

ThePIPESIMonlinehelpsystemhasbeenrestructured.Thetechnicaldescriptionsectionhasbeenreviewed

andexpanded.InthetechnicaldescriptionmanymoreoftheequationsusedinPIPESIMarepresented.

ESP Pump Catalogue Update

Thefollowing

pump

data

has

been

added

or

modified:

Centrilift HC675 HC35000

GC513Series GC1150

GC1700

GC4100

Centurion 400&538Series P10

P22

P11

P37

P47

P62

P100

WoodGroup 338&400Series TA400

TA550

TA900

TA1200

TA1500

TD150

TD300

TD450

TE538&562Series TE11000

TE1500

TE2700

TE3300

TH13000

Avocet GLO Update

SDRLexicosolverisnowavailableasanalternativetotheNewtonRaphsonandGeneticAlgorithmsolvers.

Thisisaderivativefreealgorithmthatisabletosolveproblemswithmultipleglobalconstraints.Unlikethe

GeneticAlgorithmwhichisinitializedbyrandomseeding,thissolveryieldsthesameresultseachtimeitis

runbutmaynotyieldagloballyoptimumsolution.

AnumberofenhancementshavebeenmadetothealgorithmsusedforglobalconstraintsofMaximum

InjectionGasRateandMaximumTotalGasRate.Usersmaynowspecifyalowerboundforthesearchrange,


31/39



thusimprovingsolverspeedandreliability.Amarginalgradientmayalsobespecifiedtoobtainyieldresults

thatareboth(a)amorerealisticoptimumoperatingpointinthevicinityoftheregionatthetipofthe

operatingcurveofproductionratevs.liftgasand(b)lesssusceptibletonumericalnoisecausedbythe

toleranceoftheunderlyingPIPESIMmodel.Theiterationhistorymayalsobedisplayed,allowingtheuserto

seethesensitivityofthesystemproductionratetotheoverallliftgasrate.

Astable

flow

margin

may

now

be

specified

to

ensure

that

the

solution

point

for

any

well

has

asafety

margin

abovetheminimumliftgasrateforstableoperation.

ThePIPESIMmodeltolerancecannowbeautomaticallycontrolledbythegasliftoptimizer.Thiscanyielda

fasterandmorestablesolution.

Summary of functionality available on different platforms

Win32 Win64 Linux32 Linux64

GUI Notavailable Notavailable Notavailable

Singlebranchengine Notavailable Notavailable

Network

engine

OpenLink Notavailable Notavailable Notavailable

OLGAS5.3.2 Notavailable Notavailable

OLGAS5.0.2 Notavailable Notavailable

Multiflash3.7 Notavailable

SISflash

DBRWax Notavailable Notavailable Notavailable

Note

32bitprogramswillrunonWindows64bitmachines.Sothe32bitGUIcanbeusedonaWindows64

bitmachine,incombinationwitheither32bitor64bitengines.However,the64bitenginescanonlybe

usedwith64bit3rdpartydlls.

OtherversionsofOLGASmaybeavailablefromSPT.

Summary of MPI versions available for use with R2SL on different platforms

Build MPI Executable Win32 Win64 Linux64

Win32 Intel4.0.1 pnetstub_ilmpi

Win64 Intel4.0.1 pnetstub_ilmpi

Win64 MSHPS2008 pnetstub_msmpi

Linux64 Intel4.0.1 pnetstub_ilmpi

Linux64 Platform8.1.0 pnetstub_plmpi


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ThefollowingenhancementshavebeenmadetoPIPESIM:

Blackoilthermalproperties

Blackoil

fluid

injection

point

Calculationofuserdefinedvariables(suchasequipmentsettings)

Enginekeywordtoolintubing

EnginekeywordsforRameyheatloss

Enginekeywordsforregression(calibration)

EnginekeywordsforuserequipmentDLLs

FCVforinjectors

Injectorsintubing

LinuxMultiflash

LinuxOlgasteadystateflowcorrelations

Liquidloading

Multiflash3.6

Multilayerinjection

Networkconstraints

NewChokecode

Olgas5.3

R2SLimprovements

Waxdeposition

Black oil thermal properties

UserscannowusethePIPESIMGUItoenterheatcapacityandconductivitydatausingtheBlackoil

propertiesdialog.

Black oil fluid injection point

TheInjectionPointdialoginthePIPESIMGUIcannowbeusedinblackoilmodels,aswellascompositional

models.

Calculation of user defined variables

PIPESIMGUIoperationshavebeenmodifiedtoallowthesinglebranchenginetocalculateauserdefined

variable.Previouslyusersspecifiedtwoofthreeboundaryconditions(inletflow,inletpressure,outlet

pressure)andtheprogramcalculatedthethird.Nowitispossibletospecifyallthreeboundaryconditions,

andasktheprogramtocalculatethevalueofanothervariable,forexampleachokesettingorapump

setting.

Engine keyword tool in tubing

UserscannowinsertanEngineKeywordTool(EKT)intothetubingusingthePIPESIMGUI.Theoptionis

availableintheDownholeEquipmenttaboftheDetailedModelTubingdialog.TheEKTallowsuseof

enginekeywordstoswitchonadvancedenginefunctionalitythatisnotcurrentlyavailablethroughother

GUIitems.


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Engine keywords for Ramey heat loss

TheRameyheatlossmodelhasbeenaddedtothePIPESIMengines.Atpresentthismodelcannotbe

accessedfromtheGUI,exceptviaenginekeywords.

Engine keywords for regression (calibration)

Newfunctionality

has

been

added

to

the

single

branch

engine

to

allow

flow

correlation

and

heat

loss

parameterstobecalculatedtomatchmeasuredpressureandtemperaturedata.Atpresentthis

functionalitycannotbeaccessedfromtheGUI,exceptviaenginekeywords.

Engine keywords for user-equipment DLLs

Userscannowwritea32bitDLLtodefineanequipmentpieceforusewiththePIPESIMengines.AnEngine

keywordtoolisusedtorepresenttheequipmentpieceinthePIPESIMGUIandtheuserinformsthe

PIPESIMenginesoftheDLLanditsentrypointsviaenginekeywords.

Flow Control Valves

AnumberofenhancementshavebeenmadetoFlowControlValves(FCVs).Theflowratelimitcannowbe

specifiedalongwiththevalvediameter(previouslytherewereexclusiveoptions).FCVscannowbeusedininjectionwells.Functionalityhasbeenmuchimproved.

Linux Multiflash

Multiflashcannowbeusedwiththe32bitand64bitLinuxnetworkengine.

Linux Olga steady-state flow correlations

Version5.02oftheOLGASsteadystateflowcorrelationscanbeusedwiththe32bitLinuxnetworkengine.

A64bitversionisnotavailable.

Liquid Loading Calculations for gas wellsTheliquidLoading(LL)calculationsarenowperformedalongtheentirelengthofthewell.Theresultsare

usedtopositiontheLLlineontheNodalAnalysisplot.LLVelocityRatio(LLVR)appearsontheAuxiliary

outputpageoftheoutputreport.

Multiflash 3.6

TheversionofMultiflashhasbeenupdatedto3.6.

Multi-Layer Injection Wells

Itisnowpossibletomodelaninjectionwellwith2ormorecompletions,and/orhorizontalcompletions.

Network constraints

ThePIPESIMGUIcannowbeusedtosetflowconstraintsinnetworkbranches.

New Choke code

Thechokecodehasbeenrewritten.Thenewcodewasdesignedtocalculatederivatives,butinadditionit

treatscriticalflowinaslightlydifferentway.Atthesametimeanumberofinconsistencieswereremoved

fromthecalculationoftheAshford&Piercecorrelation.Thesechangesmaygivedifferentresultsfrom

previouscalculations.Torestorepre2008.1behavior,usedebugflag374.


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OLGAS 5.3

Version5.3oftheOlgasteadystateflowcorrelationsisnowincludedforWindowsruns.

R2SL improvements

TwochangeshavebeenmadetoimprovethecouplingfromPIPESIMtoECLIPSEthroughR2SL.

ThefirstimprovementistoreplacePQcurveboundaryconditionswithcompletionitems.Thismakes

thenetworkeasiertosolveandalsoallowsnonlinearIPRstobesetbyR2SL.Thisnewfeaturecanbe

switchedoffbyusingdebugflag317.

ThesecondimprovementistousetheECLIPSE2phaseflashinPIPESIM.Thisgivesimprovedreliability

aswellasconsistentresultsbetweenthesimulators.Forthisrelease,thisfeaturecanbeusedby

selectingSISflashandusingdebugflag3249.

Wax deposition

TheSchlumbergerDBRwaxdepositionmodelisavailableinthisrelease.Aseparatelicenseisrequiredfor

thisfeature.

Enhancements and changes for Gas Lift Optimizer 2008.1

TheGasLiftOptimizer2008.1isdesignedforuseinconjunctionwithSchlumbergerPIPESIM2008.1or

AvocetIntegratedAssetModeler2008.2(orlaterversionsoftheseapplications).

SeeGasLiftOptimizerHelpforcompleteinformationonthefeaturesavailablewithinthisapplication.

Whats new in Gas Lift Optimizer v2008.1

ThefollowingchangeshavebeenmadetotheGasLiftOptimizerforthe2008.1release:

Supportfor

dual

string

wells.

When

working

with

adual

string

well,

you

can

select

the

desired

string

andthenedittheconstraintsforthatstring.SeeLocalConstraintstabinGasLiftOptimizerHelpfor

moreinformationoneditingconstraintsfordualstringwells.

Newlocalwellconstraintsadded.TheDynamicMinimumGasLiftRateandAlhanatiStability

constraintswereaddedforthe2008.1release:

o WhenyouselectawellandapplytheDynamicMinimumGasLiftRateconstraint,theminimumgasliftratewillbedeterminedfromthecharacteristicsofthePIPESIMwellperformancecurve,such

thatthegradientofthesystemoutletpressure(withrespecttotheliquidoroilflowrate)is

negative;

o WhenyouselectawellandapplytheAlhanatiStabilityconstraint,theminimumgasliftratewillbedeterminedfromtheAlhanatistabilityparameters.

SeeLocalConstraintstabinGasLiftOptimizerHelpformoreinformationontheseandtheotherlocal

constraintsavailable.

Newlocalbranchandsinkconstraintsadded.TheMinimumTotalGOR,MaximumCO2,andMaximum

H2Sconstraintswereaddedforthe2008.1release:


35/39



o UsetheMaximumTotalGORconstrainttospecifythemaximumGORpermittedwithinabranch(orsink).ThegasflowusedinthecalculationofthisGORincludesboththeproducedgasandliftgasin

thebranch(orsink);

o UsetheMaximumCO2constrainttospecifythemaximumconcentrationofCO2permittedwithinabranchorsink.

o UsetheMaximumH2SconstrainttospecifythemaximumconcentrationofH2Spermittedwithinabranchorsink.

SeeLocalConstraintstabinGasLiftOptimizerHelpformoreinformationontheseandtheotherlocal

constraintsavailable.

Newglobalconstraintsadded.TheMinimumTotalGOR,MaximumCO2,andMaximumH2Sconstraints

wereaddedforthe2008.1release:

o UsetheMaximumTotalGORconstrainttospecifythemaximumGORpermittedwithinacompositestreammadeupofthesinkflowsfromallofthenetworksinyouroptimizationstudy.Thegasflow

usedin

the

calculation

of

this

GOR

includes

both

the

produced

gas

and

lift

gas

in

the

networks;

o UsetheMaximumCO2constrainttospecifythemaximumconcentrationofCO2permittedwithinacompositestreammadeupofthesinkflowsfromallofthenetworksinyouroptimizationstudy;

o UsetheMaximumH2SconstrainttospecifythemaximumconcentrationofH2Spermittedwithinacompositestreammadeupofthesinkflowsfromallofthenetworksinyouroptimizationstudy.For

blackoilmodels,thisisbaseduponthecontaminantconcentrationsinthestocktankgas.For

compositionalmodels,thisisbasedupontheoverallfluidcompositionwithinthenetworks.

SeeGlobalConstraintstabinGasLiftOptimizerHelpformoreinformationontheseandtheother

globalconstraintsavailable.

Addedabilitytogeneratewellcurveswithoutrunninganoptimization.WhenworkingontheOptimize

tab,youcannowclicktheGenerateCurvesbuttontogeneratewellcurvesbasedonthecurrently

selectedcurvegenerationparameters,withouthavingtorunanoptimizationstudy.Thesecurves,

whichhavea*.pwifileextension,aregeneratedinthesamefolderwherethePIPESIMmodelislocated.

SeeOptimizetabinGasLiftOptimizerHelpformoreinformationontheseandtheotheroptions

availableontheOptimizetab.

Newadvancedoptionsadded.TheVerboseMessagesandMemoryResidentPIPESIMEngineoptions

were

added

for

this

release,

and

some

lift

curve

generation

options

were

changed:

o SelecttheVerboseMessagesconstrainttotodisplaymoredetailedstatusmessagesintheMessagesgridatthebottomoftheOptimizetabwhenrunninganoptimizationstudy;

o SelecttheMemoryResidentPIPESIMEngineoptiontoenterMemoryResidentMode,inwhichthePIPESIMenginedoesnotneedtoreloadwellcurveswhenthenetworkissolvedattheendofeach

GasLiftOptimizeriteration;

o Themaximumnumberofinterpolatedpressurevaluesthatmaybeusedwhengeneratingliftcurveswasincreasedto200;


36/39



o Themaximumnumberofliftvaluesthatmaybeusedtogeneratetheoptimalliftcurveforeachwellwasincreasedto90.

SeeSettingadvancedGasLiftOptimizeroptionsinGasLiftOptimizerHelpformoreinformationon

theseandtheotheradvancedoptionsavailable.


ThefollowingenhancementshavebeenmadetoPIPESIM:

GasLiftOptimization

Linux64bitversionofthenetworkengine

VistaCompatible

Gas Lift Optimization

AnewGasLiftOptimizationfeatureisnowavailabletoperformgasliftoptimizationstudiesofasingle

networkmodel(inPIPESIM)ormultiplenetworkswithlinkstoHYSYSprocessfacilities(inAvocetIAM).

Constraintscanbesetupatseverallevels,creatingboundaryconditionsthatwillcontrolhowthe

optimizationisperformed.DifferenttypesofoptimizationscanbeperformedTotalLiquidProduced,Total

GasProduced,orTotalOilProduceddependingonwhatdrivestheeconomicsofthefield.Pre andpost

optimizationresultscanbecomparedindifferentways,enablingthevalidationandquantifyingofany

productiongains.Optimizationstudyresultsarepostedintabularorgraphicalformats,enablinguseofgas

liftoptimizationdatainreportsorpresentations.

Linux 64 bit version of the network engine

In2007.2thereare32bitand64bitLinuxnetworkengines.TheseenginesareusedwhencouplingPIPESIM

toR2SLandECLIPSErunningonLinuxclusters,asusedintheAvocetIAMworkflows.Thenew64bitengine

isrecommendedforusewith64bitversionsofECLIPSEandR2SLasitsimplifiesthecrossprocess

communication.

Vista Compatible

PIPESIM2007.2cannowberunonWindowsVistainthesamewayasotherWindowsoperatingsystems.

However,ifyouuseVistayouhavetomakeacopyoftheCaseStudiesifyouwishtousethem.Thedefault

pathfortheCaseStudiesis:

C:\ProgramFiles\Schlumberger\Pipesim\CaseStudies

Youmaycopythisdirectorytoapersonaldocumentfolder(outsideC:\ProgramFiles).

AnumberofotherchangeshavebeenmadetothewayPIPESIMworks,buttheseshouldnottheenduser.

Someofthesedetailsaregivenbelow.

InPIPESIM2007.2allusersettings,whichwerestoredintheregistry,havebeenmovedintoaconfiguration

file.Thisfileiscreatedduringtheinstallationprocessanditservesasatemplateconfigurationforany

PIPESIMuser.Thedefaultpathforthisfileis


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C:\ProgramFiles\Schlumberger\Pipesim\programs\pipesim.config

ThefirsttimeyourunPIPESIManewconfigurationfileiscopiedintoyourpersonalapplicationdatafolder

anditprovidesstoragefortheuserspecificconfigurationforallsubsequentPIPESIMruns.Theapplication

datafolderisacommonrepositoryforapplicationspecificdata.ForWindowsXPorWindowsVistaitwill

typicallybe,respectively:

(XP)C:\DocumentsandSettings\username\ApplicationData\Schlumberger\pipesim\

(Vista)C:\Users\username\AppData\roaming\Schlumberger\pipesim\

Filesfromthefolder

C:\ProgramFiles\commonfiles\schlumberger\pipesim

havebeenmovedtothemainPIPESIMprogramsfolder,whichdefaultsto

C:\ProgramFiles\Schlumberger\Pipesim\programs\


ThefollowingenhancementshavebeenmadetotheGUIandtheengines.Thenewfunctionalityisavailable

onPCandonLinux:

FlowControlValves

Blackoilcorrelationsforheavyoil

Emulsions

ErosionandCorrosion

Globaloverrideofflowcorrelationsinnetworkmodels

NewTUFFPUnified2phaseflowcorrelations

OLGAS2000

v5.0.2

flow

correlations

Multiflash3.5

Retirementofoldengines

HoSim

Newenginepreference

NoteforPIPESIMFPTusers

Flow Control valves

Verticalcompletionshavebeenenhancedwithdownholeflowcontrolvalves(FCV)toprovidethe

capabilitiesformodelingintelligentorsmartwells.TheFCVcurrentlyoperatesintwodifferentmodes,

eitherthevalvesettingsareinputtocontroltheflow,oramaximumflowrateissettoevaluatethevalve

size.SpecificFCVdatahavealsobeenaddedtothePIPESIMdatabaseandcanbeselectedbytheusers.

Black Oil Correlations for Heavy Oil

Arangeofadditionalblackoilcorrelationsaregearedtowardstheneedsofsimulatingheavyoils.The

correlationsbyDeGhettoetal.andHossainetal.,whichweredesignedforestimatingthedead,liveand

undersaturatedviscositiesofheavyandextraheavyoils,havebeenimplemented.Twoothergeneral

purposeviscositycorrelationsbyPetrosky&FarshadandElsharkawy&Alikhanhavealsobeen


38/39



implemented.Forundersaturatedoilviscosity,theBergman&Suttoncorrelation,whichisbasedonvast

databasecontaining1400differentoils,canalsobeselected.

Inaddition,thedeadoilviscositycanbespecifiedwithauserprovidedtableofmeasuredviscosityagainst

temperature.

Thecorrelations

of

De

Ghetto

et

al.

and

Petrosky

&

Farshad

have

also

been

added

for

the

bubblepoint

pressure,solutiongasoilratio(GOR)andoilformationvolumefactor.

Emulsions

ModelingofOil/wateremulsionshasbeenenhanced.Theblackoilfluidmodelhasanexpandedrangeof

correlationstomodelemulsionviscosityasafunctionofliquidwatercut.Thenewcorrelationsare:

Brinkman,Vand,Leviton&Leighton,Richardson,andanewimplementationoftheWoelflincorrelationsfor

loose,mediumandtightwaterinoilemulsions.Inaddition,ausersuppliedtableofviscosityagainst

watercutcanbespecified.Thephaseinversionwatercut(thecutoff)canbecalculatedwiththeBrauner&

Ullmancorrelation.

Erosion and corrosion

Pipelineerosionandcorrosioncannowbemodeled.ThenewdialogmaybefoundunderSetup/Erosion&

Corrosionproperties.

Twoerosionmodelsareavailable:TheexistingAPI14E,andthenewSalama2000.Salamasmodel

calculatestheerosionrateresultingfromsolids(sand)entrainedintheliquidphase.Sandproductionis

specifiedperwell,andinanetworkmodelthesandinventoryistrackedacrossmanifoldsandjunctionsso

anaccuratesandrateisautomaticallyavailableinlinkbranches.Anacceptableerosionratecanbe

specified,thisallowscalculationofamaximumrecommencedvelocity(thesocalledErosionalVelocity).

Erosionratesandvelocityareprintedintheauxiliaryoutputpageandtheprofileplotfile.Maximumrates

andvelocitiesareinthesystemplotfile.

Anew

corrosion

model,

de

Waard,

is

now

available.

This

models

the

corrosion

caused

by

CO2intheliquid

waterphase.Onceenabled,themodelusestheconcentrationsofliquidwaterandCO2asspecifiedbythe

selectedfluidmodel(blackoilorcompositional).CorrosionrateisreportedintheAuxiliaryoutputpageand

theprofileplotfile,andthemaximumrateforthecaseorbranchappearsinthesystemplotfile.

Global override of flow correlations in network models

GlobalflowcorrelationscannowbesetforallbranchesinanetworkfromtheSetupmenu.

New TUFFP unified 2-phase flow correlations

Newunified2phaseflowcorrelationsareavailablefromTulsa(inthebjasource).Initialtestinghasshown

that

in

some

cases

these

correlations

may

lead

to

convergence

problems.

OLGA-S 2000 v 5.0.2 flow correlations

OLGAS2000v5.0.2twophaseandthreephasecorrelationsarenowavailableinadditionaltoversion4.13.

Multiflash 3.5

TheInfochemflashpackagehasbeenupgradedfromMultiflash3.4toMultiflash3.5.


39/39


Retirement of old engines

Thepre2006enginespnengine.exeandpsengine.exehavebeenretiredandarenotonthe2007.1CD.

HoSim

Asnotedabove,theoldpnengineprogramhasbeenretired.Therefore,usersofHoSimwillneedtogoto

Setup>ChoosePaths

and

change

the

net

engine

from

pnengine.exe

to

pnetstub.exe.

New Engine Preference

AnewenginepreferenceRunengineviabatchfile(viaSetup>Preferences>Engine)hasbeenmade

availableasoneofthedefaults.ThisoptionwillpromptanerrormessagewhenaPIPESIMmodelfails

abnormally;itreads:Abnormaltermination!SeethePIPESIMEnginewindowformoreinformation.This

isparticularlyusefulforproblemdiagnosticandinvestigation.

Note for PIPESIM-FPT users

FPThasnotchangedforthisrelease.However,thecompositionalpackageusedwithbothPIPESIMandFPT

hasbeenupdated,andisnolongercompatiblewithFPT.UsersrunningFPTcompositionaltankmodelswill

notbeabletousethisversion.AswithPIPESIM2006.2,FPTEclipselinkisnotsupportedinPIPESIM2007.1.