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Published byChristiana Richard Modified over 9 years ago
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Course 5: Building 2D Stratigraphic Modeling Relationships
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Well editing in Model Builder will open Well Editor and updates will translate to both applications Synthetics can be generated from log models
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Add cross section
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From logM seismic modeling tab > DC Stratigraphic Modeling in Model Builder window > select File> New Select 4 wells DC Wells you want to use They will be displayed in the order picked > OK
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Select units > Calculate from well XY locations Define and calculate Select projected option
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In this example they reorient the line into an east-west orientation by dragging the red dots on the end of the profile line.
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Click OK to display in Model Builder
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Start on the add & edit correlations window add new ones and isolated body and split correlations Slecting curves to display and ad asl depth tack to curve 3 Add annotation Click Options > Annotate correlations (all Wells) View > to Scale Mode
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Edit > Edit Correlations > change anything > OK
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Pick top of coal (square does not appear to be in correct location; also looks like they’ve picked the base of the upper coal) Pick correlation selector
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Click coal base: pick and pinch out by clicking Click correlation selector again > Channel 2 Base to activate
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Use F5 and F6 keys to scroll up and down
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F3 can be used to access a drop down box of correlations to delete
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Press f5 to activate channel 2 silt correlation > select and pinch Enter search mode F4 > click bottom correlation > Use F2 to add a new correlation
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Use F2 key to create new Correlation (top Channel) Add name and click OK Click to Add top Then F2 to add another correlation
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Add and select a third correlation
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After entering left side (pinch against channel) then split correlation (icon or F9)
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Edit > Define Body Lithology > Select Limestone Red as the pattern Click between Wabeman and base Wabeman as indicated on the screen
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Basically select your pattern and click in the open space between tops and bottoms of the formation of interest. Edit > Remove Body Lithology click to remove and slect new pattern (now save!)
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Edit Well Symbols Click Edit menu in Model Builder > Well Select all (or individual wells)
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Click Edit > Well Header > General tab > Dtatus drop down > select shut in
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Click Location > Name of well to 14-19 Shut In oil > OK And repeat process & save
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Note changes in cross section and click save to save
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Change curve displays: View > Select Curves > Clear all tracks > select gamma ray for track 1 > (etc by well as needed) > OK > zoom all (icon)
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After zoom all
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Start > Flatten Correlation Icon
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Select Bottom Coal #1
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Set velocity: Model > Set Isolated Body Information > click channel > change units as needed > Apply > Close Continue to set up trace model Model > Create Model > Confirm Strat Relns > Bottom removal (in this example)
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Click in the black and white shale pinch out body Observe change from S to B Didn’t really understand what was going on here.
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Make sure 100 traces > toggle on the Use Repeat Traces and then select the Specify Repeat Traces button > highlihgt all wells and select 5 for repeat traces > OK
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Save Default and generate model
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To customize display > File > plot setup > data area > toggble on “color on” check box
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OK > toggle on color palette > open > palette selecttion to red-w-blue > OK > OK
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General comment > etc > and rearrange using schematic mode > click detail mode icon > save to sgy
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Change output file name > Save > Use workstation Big Endian Option
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Plot setup > data area> interpolated logs in th wiggles section
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OK > OK Note dialog boxes extend down into the shaded zone
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