Module43DGridConstructionPetrelWorkflowTools3DGridConstructionStructuralGriddingStratigraphicModelingPillarGriddingWellLogUpscaleFacies&PetrophysicalModelingMakecontacts&VolumeCalculationIntrotoPetrelInterfaceWorkflowEditorPropertyModelingMakeHorizonsZones&Layering3DGridConstruction:StructuralModelingStudio3DGridConstructionStructuralFrameworkFaultModelingIntroductionSurfacesandDataeditPillarGriddingObjectivesUnderstandBasicTerminology/Concepts–Boundaries–Segments–Directions–Trends.DefinetheprocessofPillargridding–Defineboundaries–Settingstab–Setdirectionsandtrends–Definesegments–Refininggrid.DiscussEditingOptions:EditthefaultmodelQCofSkeletons:IntersectionsandsegmentsProcessesusedfor3DGridConstruction3DGridConstructionStructuralFrameworkCornerPointGriddingFaultFrameworkModelingFaultModelingStructuralGriddingMakeHorizons/Zones/LayersFaultFrameworkModelingHorizonModelingMakeSimpleGridStructuralGriddingPillarGriddingProcessFaultmodelingPillarGriddingMakeHorizonsMakeZonesLayeringStructuralModelingBasedonthepreviouslygeneratedkeypillars,normalpillarsarenowestablishedthroughoutthereservoirfromsetparametersincluding,e.g.,theboundaryandgridincrement.Previewskeletonbasedonmid-pointsofKeypillarsOutputskeletonsestablishedfromtop,mid,andbasepointsofthekeypillarsPillarGriddingProcessFaultmodelingPillarGriddingMakeHorizonsMakeZonesLayeringStructuralModelingBasedonthepreviouslygeneratedkeypillars,normalpillarsarenowestablishedthroughoutthereservoirfromsetparametersincluding,e.g.,theboundaryandgridincrement.Previewskeletonbasedonmid-pointsofKeypillarsOutputskeletonsestablishedfromtop,mid,andbasepointsofthekeypillarsOverviewPillars:Linesthatdefinethecornersof3Dcells.InthePillargriddingprocess,theyarestillvirtualuntiltheprocessiscompleted.PillarsPillars+EdgesPillars+Edges+Base&Top=CellsNote:Thisillustratestheconceptsofcellsbutskeletonsdonotdefinephysicalcellsyet.TerminologyBoundaryPolygon,boundarysegment,orpartofboundary.TrendsGuidanceforthegridcellshapeandorientation.Canbeusedassegmentdividerwheretherearenofaults.DirectionsGuidancefororientationofcellsalongfaults.SegmentsFaultedcompartmentclosedbyfaultsand/ortrendsand/orgridboundary.DirectionsandTrendsI-directionI-trendJ-TrendJ-directionArbitrary1.StartthePillargriddingprocess.2.Definetheboundary.3.Definegridnameandincrement.4.Buildmid-skeletongridandclickApply.5.Tunemid-skeletongrid.6.ExtendpillarstotopandbaseskeletonsandclickOK.Workflow:PillarGriddingResults/QCAfterclickingOKinthePillarGriddingdialog,Petrelgeneratesanew3DgridintheModelspanecontainingthreeskeletongrids.ToQCtheskeletongrid,usetheIntersectionsfoundundertheIntersectionsfolder.Highlightoneoftheintersections,toggleONShowPillarsandusetheGridplayertomoveintheIorJdirectiontolookforpoorlytruncatedpillarsorspikesintheskeletongrid.TopskeletonMidskeletonBaseskeletonSegments2.Checksegments:UsetheSegmentFiltertoselecton/offormakeavisualdisplayofsegmentsasalegendbyright-clickingontheSegmentfilter,selectingInsert/updatetemplate,andtogglingitONfromtheTemplatespane.1.Changethestylesettingsfortheskeleton:Double-clickontheSkeletonfolderandontheStyletab,Solidsubtab,selectShowSolid:AsSegments.EXERCISE