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1、AttachmentsOverview,Converting pre-Petrel2007.1 seismic projectsMerge navigation and SEG-Y dataSeismic serverUse faults as constraint when autotrackingModify autotrack parametersEdit fault segmentsHorizon operation exampleSurface operation exampleArtificial lightGenerate surface from attribute mapsG
2、enerate variograms from attribute mapsComplete structural modelCreate velocity model using a seismic velocity cubeCreate velocity model using stacking velocities,Converting pre-Petrel 2007.1 seismic projects,In Petrel 2007.1,select Open project from the File Menu,1,Select the pre-P2007.1 project and
3、 open it,Observe any warning and information boxes,as well as the Petrel message log that pops up,2,3,Merge navigation and SEG-Y data,From the Tool menu,select Launch SEGY Utility,1,Select the UKOOA Navigation file,Not finished,2,3,Connect to a seismic server,From the View menu,select Panes and Seis
4、mic Server explorer,1,In the Seismic Server explorer window,click on Connect and give in the needed parameters,Available seismic volumes and interpretations can be copied and pasted locally as links to seismic server data,2,3,2,3,Using faults as constraint when autotracking,Settings-Tracking tab of
5、an interpretation and set Stop at visible faults as Lateral constraints Interpreted faults are used to stop the autotracking,2,The fault compartment must be completely surrounded by faults(closed compartment).Any gap between faults may result in interpretation leaking through the hole.Where events a
6、re dipping,interpretation may leak over the top or under the base of faults.,Modify autotrack parameters,3,2,The”best practice”is to use a polygon to limit the autotracking to an area of interest.Open a 2D Window and display seismic and interpretation data in that windowActivate the Make/Edit Polygo
7、ns process found under UtilitiesUse Add New Points and digitize a closed polygon around the area of interest.Close the polygon with Close Selected Polygon(s),1,Seed value confidence(minimum value tracked as%of seed point)Max vertical delta(maximum vertical position change from one trace to next)Togg
8、le on Wavelet tracking and specify parametersExpansion quality(distance out checked against seed point),Modify autotrack parameters-basics,Boundary polygon(closed polygon that autotracking is not permitted to expand beyond)Seismic volume(3D volume to use if more than one cube)Seeds(Visible-all point
9、s in display window/Selected-only selected points in display window/Satisfying filter-filter criteria)Override/Locking(Overrides or locks already tracked points)Track Now!(initiates tracking),9,Hover cursor over questionmark for information on parameters,2,3,4,1,5,7,8,Edit fault segment,1,2,4,3,5,Op
10、en the Interpretation Window used previouslyMake a copy of the fault(click on the fault in Input tab,Ctrl+C Ctrl+V).Make the copy activeActivate the Select and Edit/Add Points tool.Click on a point and move itTo add points,activate the Interpret Faults tool.Left click to add interpretationThe same p
11、rocedure can be followed in a 3D Window,but is somewhat more cumbersome as the points may be moved out of the seismic plane,Edit Fault segment,1,5,3,2,4,Continue using the open 3D Window,make sure the fault is active and shownSelect the Cut Segment tool.Click on the line between two points to be cut
12、To join two line segments,activate Set Select/Pick Mode.Hold Ctrl and click on the two line segments to be joined.Observe that all points on the segments turn yellowClick on the Join Points in Segment iconThe same procedure can be followed in an Interpretation window,Surface operations thickness map
13、,Display the two surfaces in a 3D WindowRight click on the surface on top of the interval,open Settings-Operations tabUnder Calculations,Make Thickness map.Use the deeper surface as Base Surface.Make both TST and TVT maps and note the differencesQC using the 3D window,1,5,2,3,Artificial light-edit,3
14、,4,To edit light source using the mouse:Right click light source and click on the view all on the tool bar,Generate surface from attribute maps,2,3,Generate Variogram map from attribute maps,Right click on the generated attribute of an attribute mapUse Convert to PointsA new object is found at the b
15、ottom of the Input pane.Display it in a 3D windowGo to Settings-Variogram tab.Use Variogram map,choose Type and ExecuteDisplay the resulting sample variogram in a Map window,4,5,Generate Sample variogram from attribute maps,2,3,4,Complete Structural model Fault interpretation continuation,2,4,Comple
16、te Structural model Fault interpretation continuation,2,Additional slides,Import velocity data SEG-Y cube Velocity modeling converting velocity cubes Velocity model using a seismic velocity cube Import velocity data Stacking velocities Velocity model using a stacking velocities Velocity model using
17、check shots and stacking velocities,Import velocity data SEG-Y cube,From the Menu bar,go to Insert and New Seismic Survey FolderUnder Setting,Info tab,rename the folder to Velocity.Right click and use Import(on Selection)Open the file with File of type:SEG-Y Seismic data.In the Import box change Tem
18、plate to VelocityDisplay an Inline and Crossline from the velocity cube,1,2,3,4,Velocity modeling-converting velocity cubes,From the Input pane,expand the velocity cube object and display an inline and crossline.Right click on the velocity volume and open Volume attributes.From Attribute library,sel
19、ect Depth conversion method from the drop down menu.Select Velocity cube(Depth type attribute).Toggle on Set output name and type in Average velocity.Use default parameters and click OK.,4,2,3,6,5,1,Velocity modeling using a seismic velocity cube,Re-open the Make velocity model processToggle on Crea
20、te new velocity modelChange correction to Well tops and drop in the corresponding tops from the Input paneChange Velocity model input to Velocity cube for the 5 last entriesDrop in the Average velocity volume just created using the drop in arrows,3,2,4,5,1,Import velocity data Stacking velocities,Fr
21、om the Menu bar,go to Insert and New Folder.Click on folder name(New folder),press F2,and change name-for example Stacking Velocities.With right-mouse-button:Select Import(on Selection).Open correct file.Use File of type Petrel Points with Attributes(ASCII).Match the import parameters with input fil
22、e.Keep Z-value to feet for now.Click OK.,3,1,4,2,Import velocity data Stacking velocities,Right click on stacking velocity dataset and open Settings for the objectGo to the Info tab and change Template to Elevation TimeExpand the stacking velocity object and the Attributes sub-folder.Open Settings f
23、or Attribute Vstack Change Template to Stacking VelocityDisplay the point dataset in a 3D window,7,6,5,9,8,Velocity modeling using stacking velocities,Dix conversion,In the Input tab,open the Vstack folder,the xytv-data(VL_D.txt)and the Attributes folderRight click on the point data,open Settings an
24、d go to Operations tab.Open Seismic Operations and use Dix conversionDrop in the data points with the drop in arrow.Click on ExecuteInterval velocity,average velocity and other attributes are generated,1,2,4,2,3,Velocity modeling using stacking velocities,upscaling,Make sure the correct 3D Grid unde
25、r the Models tab is activeFrom the Process tab,open the Scale up well logs processUse Create new propertySelect Point attributes and drop in the point data using drop in arrow and select Average velocityAfter upscaling the point attributes,the Average velocity U property is generated for a 3D Grid,5
26、,4,3,2,1,Velocity modeling with stacking velocities,populate 3D Grid,From the Process tab,open the Petrophysical Modeling processUse existing property and select Average velocity UUnlock the first zone using the lock icon Select Moving Average(Interpolation)as Method for ZoneUnder Output data range,
27、change Min/Max to Relative(%).Apply to populate the first zone,2,5,4,3,1,Velocity modeling using stacking velocities,3D Grid,With the first zone unlocked and all parameters set,click Copy settings from the selected zone Click on Paste settings to all zones.Under Output data range,change Min/Max to R
28、elative(%)and Apply View the result in a 3D window,2,3,1,4,Velocity modeling using stacking velocities,From the Process tab,open the Make Velocity ModelUse Create new velocity model(do not overwrite the previous generated model)Change Velocity Model input to Property for all intervals Drop in the co
29、rresponding Average velocity property using the arrowsMake sure Correction is set to Well Tops,alternatively,drop in the corresponding tops from the Input tab,2,5,3,4,1,Velocity modeling using check shots and stacking velocities,Right click on the check shot object,select Insert new attribute.Make a
30、 continous attribute with attached to the Average velocity.In the check shot spreadsheet,copy and past the calculated average velocity column into the created column Upscal the Average velocity points into a 3D grid,2,4,4,1,3,Velocity modeling using check shots and stacking velocities,Open Petrophys
31、ical modeling,use the Average velocity(check shots)and open Zone 1.Select Method(Kriging by Gslib)and set variogram parameters.Do colocated Co-kriging with the Average velocity derived from Vstack as secondary variableUse the same setup for all zones to populate the checkshots derived average veloci
32、ty,9,5,8,7,6,Use the new Average velocity property as input into the velocity modeling process,Activate a 3D Grid in the models pane.Click on an Inline and Crossline for the volume to useOpen the Petrophysical modeling process found under Property modeling in the Process paneUse correct Property tem
33、plate.Select zone to model and unlock it Use Assign values as Method for zone/facies.Click on the seismic volume to be sampled once and drop it into the Seismic drop in area using the blue arrow.Select Quality and Average method if necessary.Display the property in a 3D window,Seismic data sampled i
34、nto a 3D grid,3,2,1,4,5,6,Scale up well logs,3,2,1,4,5,6,Activate a 3D Grid in the models tabOpen the Scale up well logs process found under Property modeling in the Process paneClick on Create new property.Make sure Select input from is Well logsChange to correct log in the Select log drop down men
35、uLeave the parameters to defaultDisplay the upscaled property in a 3D window,Seismic attribute as property in Petrophysical modeling,3,2,1,4,5,6,Activate a 3D Grid in the models tabOpen the Petrophysical modeling process found under Property modeling in the Process paneUse existing property(here sel
36、ect PHIT U)Unlock Zone 1,as Method for zone/facies use Sequential Gaussian simulation.Leave the default setting,but toggle on Property as Secondary Variable under the Co-kriging tab.(Here select Frequency)Copy this setup to the rest of the zones.Apply and observe the result in a 3D window,The EndAttachments,
