斯伦贝谢petrel教程3.ppt

Isochoreprocessing ExtraStructuregrid to welltie 1 CalculateERRORpoints seeQCStructuregrid to welltieslide 3 Makeacopyofthestructuregridandrenameit Forexample TIEDSTRU 2 BuildERRORgrid seeBuildisochoreslides Builddefaultgrid Tunealgorithms Considerpostprocessclipandsmooth RetietoERRORpointsifsmoothingwasdone 4 SubtractERRORgridfromTIEDSTRUgrid 5 Re checkstructuresgrid to welltie Surfaceoperations 2Dgrids SurfaceoperationsLectureandexercisepurpose Purpose Learnhowtoperformoperationsonsurfacesandbetweensurfaces Youwilllearnto ManipulateasurfaceusingSurfaceOperationsCalculateazimuthanddipvaluesfromasurfaceUsethesurfacecalculatorBuildrockgrossthicknessgridsCalculatevolumebetweensurfacesArealcalculationsInsidepolygonFordefinednodesinagrid SurfaceoperationsSurfaceOperations ContainstoolsformanipulatingonexistingsurfacesRotateandsmoothExtrapolateExpandandshrinkFlipvaluesShiftvaluesMergesurfaces Remember OnlyONEundo Surfaceoperations2DVolumeprocessing Generalprocedure GiventopandbasestructuregridsIncorporatefluidcontactsintotopand orbasegridsBuildgrossrockthicknessgridDiscountgrossrockthicknessbyN G Phi and 1 Sw CalculatevolumeforpositivethicknessCalculateareaforpositivethickness Volumeprocessing 2DGrids Topandbasestructuregrids ShoulddefinethezoneofinterestShouldnotcontainmissingnodevaluesoverareaofinterestNovolumesformissingnodesFaultgapsshouldbefilledwithnodesShouldbetiedtothetoppicks B Volumeprocessing 2DGrids IncorporateFluidContacts 3 A 3 B 3 C 1 Usegridorconstant 2 Mergewithastructuregrid 3 MergingprocessA CopystructuretobemergedB Renamecopiedgrid BASEHYDROCARBON or TOPHYDROCARBON C Incorporatefluidcontact SetZ Awhere Z A base orZ A top A Volumeprocessing 2DGrids Buildgrossrockthicknessgrid 1 OpentheSurfacecalculator rightclickonasurfaceandselectcalculator 3 2 2 Typein GROSSROCK TOPHYDROCARBON BASEHYDROCARBON 3 ThiswillproduceanewGROSSROCKgrid 4 Clipnegativestoasmallnegativenumber reducestotalZ range Volumeprocessing 2DGrids Petrophysicalparameters Commonpetrophysicalparametersare Net to grossPorosityWatersaturation usedas1 Sw ParametersrepresentaveragevalueforzoneMaybeeitherconstantorgridZ rangebetween0 0and1 0 ratio Ifpercentthendivideby100Ifoutside0 1rangethenclip Volumeprocessing 2DGrids Buildhydrocarbonporethickness Grossthickness Net to gross netthicknessNetthickness Porosity porethicknessPorethickness 1 Watersaturation hydrocarbonporethickness Note Foreachstep copytheinputthicknessgrid renameittotheoutputthickness andthenperformthecalculation Volumeprocessing 2DGrids Calculatevolumes Therearethreemethodsforcalculatingvolumes Betweentwosurfaces Betweenasurfaceandaplane Volume areaversusdepth Volumeprocessing 2DGrids Calculatevolumes betweentwosurfaces Double clickonthetophorizonGotoOperationstab Calculationsfolder andselectVolumebelowsurface surface SelectthebasesurfacefortheSurfaceaboveparameter ExecuteandinspecttheresultinthePetrelMessagelog Betweentwosurfaces Volumeprocessing 2DGrids CalculateVolumes betweensurfaceandaplane Double clickonthetophorizonGotoOperationstab Calculationsfolder andselectVolumebelowsurface constant SpecifybaselevelExecuteandinspecttheresultinthePetrelMessagelog Volumeprocessing 2DGrids CalculateVolumes Volume areaversusdepth Double clickonthetophorizonGotoOperationstab Calculationsfolder andselectVolume areaversusdepthSpecifyminandmaxZvalues thedepthintervaltocalculatevolumes andtheincrementtoreporttheresultsExecuteandinspecttheresultinthePetrelMessagelog Theresultisalsogivenasvolume areavsdepthfunctionsintheinputtab Volume areaversusdepth Volumeprocessing 2DGrids Calculateareas Therearetwomethodsforcalculatingareasforanisochoregrid Volumeprocessing 2DGrids Calculateareas un blankedgridcells GotoCalculatortab Blankthethicknessgridbelowaconstant iflowestthickness 0 0thenuse 01or 1 GotoOperationsTab Calculationsfolder andselect2Dand3Dareaofsurface Multiplytheresultingunitssquarednumberbythedesiredconversionfactor Volumeprocessing 2DGrids Calculateareas insideapolygon GotoOperationsTab ConvertPoints Polygons Surfacesfolder andselectCreateIntersectionwithplane Displaythepolygonsina2Dor3DwindowMakesuretheycloseMakesuretheyencompassthecorrectareaIntheSelect pickmode arrow touchapolygontoseeitsarea orExecuteforAreaandLengthinCalculationsforthePolygon Volumeprocessing 2DGrids Changingprojectunits OftenPetrel sdefaultunitsaremeterswhentheprojectunitsarefeet Tochangeunits ClickonprojectsintheMenubarandselectSettingsGototheUnitsTabandmakeappropriateadjustments Volumeprocessing 2DGrids Exercises Buildahydrocarbonthicknessgridandcalculateareaandvolumeforthatgrid IntersectionsLectureandexercisepurpose Purpose TounderstandhowtouseintersectionstoQC displayandplotdataYouwilllearnto CreateageneralintersectionManipulateintersectionsCreateapolygonintersectionCreateaWellintersectionAdjustthesettingsforintersectionsGeneralIntersectionandanIntersectionWindow IntersectionsIntroduction Therearethreemethodsforgeneratingcrosssections Thechosenmethoddependsontheneedsoftheuser A B C A GeneralIntersection CutsacrossentiremodelCanbemovedandrotatedCanbevisualizedintheIntersectionwindow B PolygonIntersection Userdefineslocationandshapeofintersection C WellPathIntersection IntersectionthroughwellpathsCanbeusedforproposedaswellasexistingwells IntersectionsTips Hints MostdatawithintheInputandModelstabcanbedisplayed exceptionsincludewelllogcurvesandtops DisplayiscontrolledbytheTogglevisualizationonplane Ctrl B icon playerbar Canclipdatatotheplane ifnoturningpoints Ifseismicisdisplayed thenyoucaninterpretontheintersection IntersectionsDisplay Activateintersection TurnonTogglevisualizationonplane Ctrl B icon Objectsavailablefordisplayturnblue Turnonobjectstodisplay Objectsareaddedtotheintersectionplane 1 2 3 4 5 IntersectionsPolygonIntersection Intersectionbetween2ormorearbitrarypointsUsefulforshowingdetailbetween2ormorepoints Forexample betweenwellsacrossmultiplefaults Apolygonisdigitized Make EditPolygonprocess orimported A B C Averticalintersectionisgeneratedfromit rightclickonpolygon Dataisplacedontheintersectiontoviewrelationships bluebutton IntersectionsWellIntersection Intersectionalongcoordinatesofwellpath HelptoQCadigitized proposed wellortovisualizedataalongexistingwellpath s Select CreateVerticalWellSection forawellorafolderofwells Displayanyorallavailabledataonthenewverticalintersection A B IntersectionsPlanesettings 3Dviewsettings Transparency Clipoffset Settingsforthemapview Color Linewidth Planeextension Extendstartandend IntersectionsInputsettings Distancelimit Howobjectswillbedisplayedwhentheplaneisusedina3Dwindow SurfacesWellsSeismicPolygons Intersections3Dgridsettings Coloranddisplaysettingsfor Horizons Faults Zones Propertyfilter Gridlines Positiontheintersectiontothedesiredpositionby Manipulateplanin2 3DwindowUsetheintersectionplayer IntersectionwindowSettingupanintersectionwindow Insertanewintersectionwindow ClickonanexistingGeneralIntersectionorinsertanewone 1 2 3 IntersectionwindowSettingupanintersectionwindow ToggleondatafromtheInputotModelpanes AddondesiredmarginaliaAxesLegendsHeaderInformationboxBitmapofintersectionposition 4 5 IntersectionsExercise GenerateandDisplaydataongeneralintersections wellintersectionsandpolygonintersections PlottingLectureandexercisepurpose Purpose LearntipsandtrickstohelpimproveyourmapsYouwilllearnto SetafixedscaleUsetheSethomefunctionLinktocoordinategroupLinktovisualgroupAnnotationsPrintersetupPrintingusingtheProcessManager PlottingFixedscaled Gotothewindowspane 3 1 OpenthesettingsfortheMapviewportundertheactivemapwindow SetscaleandtickontheFixedoption Pushapply PlottingSethomescalefunction OpenamapviewportDisplaydataandadjustuntilsatisfiedClickonthesethomescaleiconTousethehomepositionclickontheusehomescaleicon 3 4 Opensettingsforviewportoneandselect Linkedtocoordinategroup First DothesameforviewportnumbertwoScrollingandpanningissynchronized PlottingLinkedtocoordinategroup Thisoptionwillsynchronizeallscrollingandpanningactionsforeachlinkedviewporte g inamontageplot 1 2 3 Opensettingsforawindow fromthewindowstab andselect Linkedtovisualgroup First DothesameforanotherwindowAnyobjectdisplayedinonewindowisalsodisplayedintheother PlottingLinkedtovisualgroup Thisoptionwilllinkwindowstosharedisplayevents Oncethewindowsarelinkedthenanyobjectdisplayedinonewindowwillautomaticallybedisplayedintheother 1 PlottingAnnotations SelectNewAnnot