M4-3-Make-Horizon创建层面(Schlumberger-petrel教学资料)

Module43DGridConstructionPetrelWorkflowTools3DGridConstructionStructuralGriddingStratigraphicModelingPillarGriddingWellLogUpscaleFacies&PetrophysicalModelingMakecontacts&VolumeCalculationIntrotoPetrelInterfaceWorkflowEditorPropertyModelingMakeHorizonsZones&Layering3DGridConstruction:StructuralModelingStudio3DGridConstructionStructuralFrameworkFaultModelingIntroductionSurfacesandDataeditMakeHorizonsObjectivesProvideanoverviewofstratigraphicsubdivisionsinPetrelGainanunderstandingoftheMakehorizonsprocess–Definethenumberofhorizons(dependingoninputdata)–Definethehorizontype(geological).Settingstab:AlgorithmsFaultstab–Faultmatrixsetupandoptions–Extrapolationoptionstowardsfaultplane.QualitycheckmethodsExtra:Horizonlines.Processesusedfor3DGridConstruction3DGridConstructionStructuralFrameworkCornerPointGriddingFaultFrameworkModelingFaultModelingStructuralGriddingPillarGriddingFaultFrameworkModelingHorizonModelingMakeSimpleGridStructuralGriddingStructuralModelingMakeHorizons/Zones/LayersMakeHorizonsProcessFaultmodelingPillarGriddingMakeHorizonsMakeZonesLayeringStructuralModelingThisprocessdefinestheverticallayeringofthe3Dgrid.ThelayeringcanberefinedlaterusingtheMakezones/layeringprocess.HorizonsTabInputfortheMakehorizonsprocessincludesinterpretedseismiclines,surfaces,horizons,welltops,andpoint/linedata.OpentheMakehorizonsprocessanddropintheinputdatabyclickingeitherMultipleDroporAppendnumberofitemsintable.DefinetheHorizontype:Erosional:Horizonsbelowwillbetruncated.Discontinuous:Horizonsbelowandabovewillbetruncated.Conformable:Truncatedbyallotherhorizons.Base:Truncatedbyallotherhorizons.FaultsTab:SetupSetadistancetothefaults:TheInterpolationalgorithmIndoesnotusedatacloserthanthegivendistance.Atthegivendistance,Petrelback-extrapolatestothefaultplanetofillinthegapcausedbyremovingthedata.ResultsIfdistanceissetto0,thehorizonsmayshowanartificialdrageffectonthefaultplane;specifyanappropriatefaultdistancetoremovethedrageffect.Distancesetto0SpecifiedfaultdistanceNote:Faultdistancecanbedifferentinfrontorbehindthefault(or).Clicktoviewtheblue/yellowfaultsina3Dwindow.WellsTabBecauseyoutrustyourwelldata,useyourwelltopstoensurethattheytiewiththegeneratedsurfaces.Forthistooccur,acorrectionmustbedoneandcanbeperformedhere.Horizonsintersectwiththewelltops.MakeHorizonOutput:QCWhentheprocessisrun,itisusefultodisplaythegridincombinationwiththeEdgesandZonesfilter.Thisallowsyoutoqualitycheckthegridbystrippingthemodelzonebyzone.Complete3Dgrid3DgridfilteredontheTopTarbert-TopNesszoneEXERCISE