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1、StratWorksChapter8:CreatingStructureandIsochoreMapsPresenterTitleLandmarkGraphicsCorporationPartNo.625579Rev.JChapter8: CreatingStructureandIsochoreMapsStratWorksusesthemappingalgorithmsofZ-MAPPlustoproducereliable,high-qualitystructure,thickness,andpr
2、oductionmaps.YouhadapreviewofmappinginChapter5,whenyougeneratedquickmapsoftheexistinginterpretation.Inthischapter,youcovermappingingreaterdepth.8-1OverviewThischapterdescribesthebasicmappingfunctionsavailableinStratWorks.Throughexamplesandexercises,you
3、learnhowtocreatestructuremapsbasedonpicks,profiles,andexistingpointsets(fromearliermapsorfromimporteddata)mapunit-relateddatasuchasgrossthickness,averageporosity,porosity*thickness(FH),andproductionhistorydisplaymapsusingcontourlinesand/orcolorfillover
4、laymapstofacilitatecomparisonsadjustgridparameterstomakecontours“honor”thedataperformmathematicaloperationsongrids8-1TrainingWorkflow8-2Mapping:BasicFunctionsandUseStratWorksgeneratesmapsbyfirstbuildingagridovertheareaofinterestandcalculatingvaluesfore
5、achnode(intersection)onthegrid.Contoursaregeneratedfromthegriddedsurface.InStratWorks,youcanmakeeighttypesofstructuremaps.StructuremappingusestheleastsquaresalgorithmfromPointGriddingPlus(Z-MAPPlus).Surfacemapscanbemadefromwellpicks,and/orinterpretedsu
6、rfacesegments(profiles),and/orsavedpointsets(whichyoucreatedwhenyoumadeapreviousmaporyouimportedfrom Z-MAPPlus)Pointsetsandgridsaresavedinthedatabaseundertheoutputnameyouassignthem.Contoursarenotsaved;theyareregeneratedeachtimeyoudisplaythemap.8-3Mappi
7、ng:BasicFunctionsandUse(continued)Isochoremappinguseseithertheleastsquares,isochore,orboundinggridalgorithms.Youcanperformavarietyofmathematicaloperations(+,-,*,/,<,>,blank<,blank>)onasinglegridorbetweentwogrids.Theresultisanewoutputgrid,whichyoucanthe
8、ncontour.Pointsets,grids,andfaultscanbeimportedfromZ-MAPPlusmasterfiles(MFDs)orexportedtothem.Youcandeletepointsets,grids(including3Dfaultmodels)andzoneattributes.ThePrintoptionletsyougeneratepresentation-qualityhardcopyplotsofthemapsyo
