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1、TransientWellFlowSimulationsBinHuMilanMay25th,2010TransientWellFlowSimulationsbhu@sptgroup.comContents?OLGA’scapabilitiesindynamicmultiphasewellflowmodeling?Whyistransientwellflowsimulationimportant??Applicationexamples2OLGA’smodelingcapabilitiesAccuratelyrepresentingthewelltr
2、ajectoryVerticalSlantedHorizontalUndulating3OLGA’smodelingcapabilitiesAccuratelyrepresentingthewellcompletionsMulti-stringMulti-zoneMulti-lateralSmart4OLGA’smodelingcapabilitiesAccuratelymodelingtheperformancesoftheflowcontrolequipment/devices?Axialflowcontrol–Choke–Checkvalve
3、–ESPandPDP–Gravitationalseparator–ESD–SCSSV?Radialflowcontrol–Gas-liftvalves–ICVandICD–DIACS–Slidingsleeves–Slottedliner–Sandscreen?Controllers5OLGA’smodelingcapabilitiesInflowperformancerelationship?Linearandnon-linearmass-basedIPR?ConstantProductivityIndex?Vogelequation–Satu
4、ratedoilreservoir?NormalizedBackpressure–Saturatedreservoir(oil/gas)?SaturatedoilwellsBottomholeflowingpressure?Backpressureequation–GaswellsQ?Forcheimermodel–Lowpressuregaswells?SingleForcheimermodelPR–Highpressuregaswellsvariables?UsertabulatedIPRsPI?Quasi-dynamicinflowperfo
5、rmanceReservoir–PR,TR,PI,k-h,S,D,n-C,GOR,WC…etcareavailableastimeseriesforinputSTime6OLGA’smodelingcapabilitiesAccuratelycalculating…?Transientmultiphaseflowinbothtubingandannulus?Heattransferthroughtubing-casingannulustoandfromformation?Joule-Thomsoneffectofinflowfromreservoi
6、rtowellbore?Compositionaleffectandlocalconcentrationsoftrackedchemicals?Co-flowofreservoirfluidandcomplexnon-Newtonianfluide.g.thedrilling/completionmud?Transientdrillingandcoiledtubinghydraulicsusingthemovinggridscheme7OLGA’smodelingcapabilitiesWell/pipelineinteractionsandres
7、ervoir/wellboreinteractions?Capableofcombiningsurfacegatheringandtransportationnetworkwithwellsinonemodel?PossibletobeintegratedwithreservoirmodelthroughOLGALink(server)8TheOLGA-ROCXdevelopment?Near-wellbore?WellborereservoirmodeledinmodeledinOLGAROCXOilSaturation00.10.20.30.4
8、0.50.60.70.80.91XYZOLGA-ROCXintegration?Rocx=plug-intoOLGA?Im
