HUBS软件使用说明.docx
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HUBS软件使用说明.docx
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HUBS软件使用说明
SoftwareLicenseAgreement
Thisisalegalagreementbetweenyou,theuser,andSignaEngineeringCorp.ByusingHUBS,youagreetobeboundbythetermsofthisagreement.Ifyoudonotagreetotheseitems,exitHUBSandthisUser'sGuideimmediately.
ThissoftwareisprotectedbyUnitedStatescopyrightlawsandinternationaltreatiesandcanbeusedonlybylicensedusers.YoumaynotdisclosethissoftwareanditsUser'sGuidetothirdparties.Onlytheoutputresultsfromthissoftwarecanbedisclosedtothirdparties.
SignaEngineeringdoesnotwarrantthatthefunctionsofthissoftwarewillmeetyourrequirementsorthesoftwareiserrorfree.InnoeventshallSignaEngineeringbeliableforyouruseofthissoftwareandforanyresultsobtainedfromthissoftware.
Introduction
Hydraulicdesignofanunderbalancedoperationisthekeytoitssuccessandrequiresmanyspecialconsiderations:
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❿Duringanunderbalancedoperation,bothliquidandgasmaybeinjectedintothewellascirculatingfluids.Duetotheunderbalancedconditionofthewellbore,formationgas,oil,andwatercouldflowintothewellbore.Inaddition,solidparticles(cuttings)arealsoflowingwithallthefluidsinthewellboreannulus.Theinteractionsbetweenthesecoexistingfluidsandcuttingparticlesrequirespecialtreatmentduringthehydrauliccalculations.
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❿Duetothedifferenceinhydraulicproperties(density,viscosity,andcompressibility)amongthecoexistingphases,theydonotflowatthesamespeed.Thesephasescanflowwith
variousflowpatterns(bubbleflow,mistflow,slugflow,wavyflow,annularflow,etc.).Flowpatternsaffectnotonlytheflowingmixturedensityanditsfractionalpressureloss,butalsotheefficiencyofcuttingtransportation.❿Phasechangebetweenliquidandgasphasescanoccuralongtheflowpathofanunderbalancedoperation.Duetothevariationofpressureandtemperaturealongtheflowpath,gasmayvaporizefromliquidhydrocarbonsorotherliquidfluids,andliquidcouldcondensefromgasphases.Phasechangewouldalternotonlytheratioofliquidandgasphasesinthewellborebutalsotheirproperties.Itcouldhavesignificanteffectsontheflowpattern,bothgravityandfrictionpressureloss,andthecuttingcarryingcapacityofthecirculatingfluids.
❿Parasitestringsandjetsubaresometimesusedduringanunderbalanceddrilling.Aparasitestringmaybeeitherasmalltubingattachedtotheouterdiameterofanexistingcasing,oratemporarycasingrunintothewellboreannuluscreatinganextraannulusbetweenthetemporarycasingandanexistingcasing.Aparasitestringisusedtoinjectadditionalfluidintothewellboreannulusataspecifiedlocation,whileajetsubisusedtobypassaportionofthecirculatingfluidfromthedrillstringintothewellboreannulus.
HUBSwascreatedtoassisttheuserinthehydraulicdesignofunderbalancedoperations.Itincorporatedalltheaboveconsiderationsaswellasmanyotherfeatures.OneoftheuniquefeaturesofHUBSisitscapabilitytopredictoptimumcirculatingrateforvariousdrillingconditions.HUBSisdesignedtohandleanydrillingfluidtypeincludinggas,mist,foam,gasifiedliquid,andconventionalmud.
AboutHUBS
ThisHydraulicUnderBalancedSimulator(HUBS)wasdesignedtoperformhydrauliccalculationsforunderbalancedoperations.Hydraulicdesignisthekeytothesuccessofanunderbalancedoperationbecause:
1.Hydraulicdesigndetermineswhetherornottheoperationisunderbalancedandhowmuchunderbalancedmarginexistsbetweenthefluidpressureinthewellboreandtheformationpressure.
2.Hydraulicdesignisthekeytoachieveaneffectiveholecleaningwhichhasasignificanteffectontheefficiencyofunderbalanceddrillingoperations.
3.Hydraulicdesignisthebasisforselectionofpump,compressor,fluid-handlingequipment,andotherfacilities.
Amongotheradvancedfeatures,HUBSoffersthefollowingcalculations:
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❿Pressure,velocityandcuttingaccumulationprediction.
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❿Circulationflowrate(s)optimization.
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❿Pressure(s)matchingalongtheflowpath.
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❿Underbalanceddrillingwithdownholemotor.
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❿Mudcapdrilling.
SignaEngineeringCorp.
Contact:
ShifengTian
2NorthpointDr.,Suite550
Phone:
(281)774-1020
Houston,TX77060
Fax:
(281)774-1098
Email:
stian@
Features
HUBSoffersthefollowingfeatures:
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❿Landoroffshoreoperations
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❿Vertical,deviatedorhorizontalwells
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❿Drillstringorcoiledtubingoperations
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❿Normalorreversecirculation
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❿Gas,liquid,foamormultiphaseflowwithorwithoutcuttings
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❿Optimalflowratedesign
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❿Pressure,velocity,liquidholdupandcuttingaccumulationprediction
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❿Pressurematchingcalculation
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❿Multiplerunsforthesamewell
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❿Viewwellboreconfiguration
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❿Parasitetubingorparasitecasing
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❿Userspecifiedjetsublocation
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❿Handlesuptosixfluidphases
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❿Phaseequilibriumcalculation
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❿Multipleproduction/lostcirculationzones
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❿Kicks/lostcirculationdependsonPIoruserspecifiedrates
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❿HelpinPIestimation
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❿FormationinformationbyMDorTVD
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❿Formationtemperatureandpressurebygradientormeasuredpoints
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❿Fourrheologymodels
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❿Helpinrheologymodelselection
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❿Trackingin-situpropertiesofliquidandgas
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❿Variousmultiphaseflowpatterns
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❿Sonic/subsonicflowandJoule-Thomsoneffectatbitnozzles
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❿Surveydataorstandardwelltrajectory
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❿SurveybyMDorTVD
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❿Tubulardataselectionfromdatabase
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❿Gaspropertyselectionfromdatabase
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❿Propertyselectionoffluidcomponentsfromdatabase
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❿English,metric,orcustomizedunits
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❿Databasemanagement
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❿Portableinputdata
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❿DisplayresultsinMSExcel
RunHUBSOverInternet
HUBShasbeendevelopedasbothaninternetapplicationandaPCapplication.
Beinganinternetapplication,HUBScanberunfromanywhereintheworldprovidedtheuserhastheaccesstotheinternet.TheinternetversionofHUBSisrunningonSigna'snetworkserverandmaintainedbyHUBS'developer.TheinternetversionofHUBSisupdatedwithnewfeaturesontimelybases.Inaddition,welldatasavedintheinternetversioncanbesharedwithothersintheuser'sgroup,section,orcompanybyusingHUBS'WellPublicityfunction.ThewebaddressforrunningHUBSoverinternetisUserIDandpasswordrequiredtorunHUBSovertheinternetcanbeobtainedbycontactingSignaEngineeringCorp.
Ifinternetaccessisnotavailable,anusercaninstallHUBS'PCversiononaPCandrunHUBSlocally.MostoftheHUBSfeaturesareavailableinbothversion.However,someoftheinternetrelatedfeaturesarenotavailableinthePCversionofHUBS,whilesomePCrelatedfeaturesaredisabledintheinternetversion.
AboutThisGuide
TheUser'sGuideconsistsofsevensections.
LicenseAgreement
Outlinesthelicenseagreementitems.
Introduction
IntroducesHUBSandhowtousethisUser'sGuide.
InputData
Discussestheinputdatainterface.
Menu/ToolbarCommands
ExplainstheMenu/Toolbarcommandsandtheir
functions.
CalculationandOutputs
DiscussesthecalculationsperformedbyHUBSandtheir
outputs.
DatabaseManagement
DiscussesHUBSdatabasemanagement.
ContactInformation
Containsinformationforassistanceandfeedback.
InputData
InputdataareenteredinHUBSMainWindow:
Tomakethetaskofdatainputeasier,tabsareusedtodividetheinputdataintofourtab
pages:
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❿Project
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❿Formation/Survey
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❿TubularData
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❿Fluids/Parameters
ProjectPage
Project/Wellandoperationalinformationareenteredintothispage.Thepagehasfivesections:
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❿WellInformation
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❿OperationType
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❿CirculatingFluids
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❿Circulation
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❿Security
WellInformation
Thereareatotaloftwelvedatainputboxesinthissection.Theinputsinthefirstfourboxes:
Company,Field,WellName,andRunNo.,areusedtoidentifyawell.AlthoughHUBSdoesnotconsideritasanerror,itisstronglysuggestedtonotleavethesefourboxesemptywhensaveyourdata.Youmayencountersomedifficultiestoretrievethedatawithoutcompany,fieldandwellnameassociatedwiththedata.TheRunNo.boxprovidestheuserwiththeoptiontomakemultiplerunsforthesamewell.Theinputsintherestboxesareonlyfortheuser'sinformation.Theinputintheseboxeswillbeusedonlywhentheusersortthewellsinthedatabasewiththecorrespondingfield.
OperationType
Specifythecurrentwellanonlandwelloranoffshorewell.
CirculatingFluids
Thissectionistospecifythetypeofcirculatingfluid(s).Oneofthefouroptionbuttonsistobeselected.WhentheLiquidoptionisselected,theGastableintheFluids/Parameterspageisdisabled.IftheGasoptionisselected,theLiquidtableintheFluids/Parameterspageisdisabled.TheFoamandtheGasandLiquidoptionsaredesignedtohandlebothliquidandgasinjection.IftheFoamoptionisselected,thefoamflowmodelisusedinthecalculation.Foamflowmodeliscapableofhandlingthefoamstructureformedbetweentheliquidandgasphases.If
theGasandLiquidoptionisselected,themultiphaseflowmodelisusedinthecalculation.
Circulation
Therearetwooptionbuttonsinthissection.IftheNormaloptionisselected,circulatingfluid
(s)willbeinjectedintothedrillstringandreturnfromthewellboreannulus.IntheReversecirculationcase,circulatingfluid(s)areinjectedintothewellboreannulusandreturninsidethedrillstring.Duetothenatureofreversecirculation,neitherparasitestringnor
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