WinDig Detail

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DIGITIZING WITHDIGITIZING WITHWINDIGWINDIG

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Flowchart of Exodus Programs

HISTWinDig

PRE

Execute

Monitor

3D

GDU

Well Reports

Well Charts

Economics

Well Locator

EXODUS: WinDigEXODUS: WinDig

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EXODUS: WinDig EXODUS: WinDig (1)(1)

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• Formatting digital maps

• Converting paper maps to digits

• Digitizing bitmaps

WINDIG

Paper maps

.DIG (raw digits)

.GRD (binary format) .OUT (ASCII export)

Import Digital maps

Bitmap Images

EXODUS: WinDig EXODUS: WinDig (2)(2)

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SET UPSET UP

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Setup

EXODUS: WinDigEXODUS: WinDig – Setup – Setup (1)(1)

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Setup

Or

WinTab

As supplied by digitizer manufacturer.

EXODUS: WinDig EXODUS: WinDig – Setup– Setup (2)(2)

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OVERVIEWOVERVIEW

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2 Object Types

•Lines (e.g. contour line)• Made up of connected points.

• One numeric attribute; a contour value, or “flag”

•Annotation Points (e.g. wells)• Discrete points.

• One alpha-numeric attribute; a label (could be ‘nul’).

EXODUS: WinDig EXODUS: WinDig – Overview– Overview (1)(1)

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Example Reference Area

Reference Area

1 mile (5280 ft) square

TL (0,5280)

BL (0,0)

BR (5280,0)


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Example Viewport

Reference Area

(0,11000)

(0,-5000)

(11000,-5000)


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……

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DIGITIZINGDIGITIZINGwithwith

DIGITIZERSDIGITIZERS

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Digitize Lines, with digitizer

• Three reference points

• Enter Line Value

• Trace line

• Repeat as necessary

EXODUS: WinDig EXODUS: WinDig – Digitizing– Digitizing (1)(1)

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Digitize Lines, with digitizer

Calibrate/Scale Set Units


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Digitize Lines

A reminder…

.. or an option to bypass if previously done.


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Digitize Lines

Changes on screen with digitizer clicks.

‘End Line’ or ‘Close Line’ to stop digitizing a line and start the next line.

Enter desired Z-value, then trace line.


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Digitize Lines

‘Done Digitizing’ to return to the main form and menu items.


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Points to Consider

• Exit/Re-entry permitted – but digitize over errors and clean-up later.

• Structure values are POSITIVE

• Exodus Fault line value = -2

• Do Faults to separate file, then merge to others as needed

• Exodus file name interpretation (e.g. xxxTDE01.dig)

• “Culture” can be digitized using special values (-11, -22, -33, -44)

• Save to file frequently


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Digitize Points, with digitizer

• Calibrate Scale as before.

• Choose source of annotation - (i.e. read from a file, manually entered or sequentially numbered).

• Digitize points


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Points to Consider - Wells

• Sequence must be consistent with ‘Well Flow’

• Use HIST to provide .LST file

• Save in a separate file for Exodus

• Can build in text editor to a .dig format or consider “WellPoint” files, or just build .dig inside WinDig – “edit/digits/of annotation” menu

• Coordinate system MUST be consistent with maps.


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……

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IMPORTING MAPS IMPORTING MAPS INTO WINDIGINTO WINDIG

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Importing

• Watch out for reference frame consistency.

• Batch convert Geographix & CPS3 files.

• Note: PCs use <CR><LF>; Unix <LF>.

• Various formats must match examples EXACTLY. Examples on disk.

• Other programs often export ‘non-native’ formats.

EXODUS: WinDig – Import EXODUS: WinDig – Import (1)(1)

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Contour File Formats

• Native .dig files (lines or points)

• Hz Well Survey files (only uses X, Y)

• Exodus grids (saved in .dat files)

• Cartesian or

• Corner point

• Geographix (individual or batch)

• Landmark (7 formats)


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Contour File Formats - continued

• Earth Vision (restricted format)

• HPGL (original)

• DXF (Autocad) – with conditions

• Generic fixed format columns

• CPS3 contour files (batch only)


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Import Examples

• Native .dig files (lines or points)

• Hz Well Survey files (only uses X, Y)

For Visuals only

OilField example:

File\Open\ … coucul.dig, then import

couwell.dig and coudzc01.dig.

Add a Hz well trace by importing HzWell.svy… do it


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Import Examples


Option:File\Import\Geographix\Contours

File:\Misc\Example Exports From\ Geographix\

geographix_NetThick.dat

… do it


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Import Examples


Option:File\Import\Batch Convert\Geographix

File:\Misc\Example Exports From\ Geographix\

geographix_*.dat (highlight all)


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Choose Metric or Imperial as appropriate.

File\Open: …\ geographix_NetThick.dig

NOTE: Addition of Fault line

Import Examples - continued

… do it


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……

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ENTERING DIGITS ENTERING DIGITS INTO WINDIGINTO WINDIG

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Vertical Wells - Locations

EXODUS: WinDig EXODUS: WinDig – Digits– Digits (1)(1)

1. New … initializes arrays

2. Edit/ Digits/ of Annotation

3. Paste in X, Y, Well_Name from spreadsheet etc.

4. “OK”

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……

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VIEWING OPTIONSVIEWING OPTIONS

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Viewing Options

… do it

EXODUS: WinDigEXODUS: WinDig – Viewing – Viewing (1)(1)

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EDITING OPTIONSEDITING OPTIONS

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Editing Options

EXODUS: WinDig EXODUS: WinDig – Editing– Editing (1)(1)

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Newest Editing Features• Edit/Lines/Add via Mouse

• Continuous

• Discrete

• Edit/Lines/Create Grid of Lines

• Edit/Lines/Delete• < n-points … i.e. “de-freckle”

• Specified z-value

• Even Zs or Odd Zs

• Delete all points inside a rectangle.

• Edit/Digits/of Points: enter list of coordinates and text.


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Editing

• Data reduction


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Editing

• Data reduction


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Editing

• Data reduction

… do it


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OTHER OPTIONSOTHER OPTIONS& PREFERENCES ETC.& PREFERENCES ETC.

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Options

EXODUS: WinDig EXODUS: WinDig – Options– Options (1)(1)

• Offsets, factors

• Rotation (automatic from digitizer)

• Rudimentary volumetrics

• Tables of coordinates pairs (digits)

• Point identification

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Other Options

EXODUS: WinDig EXODUS: WinDig – Options– Options (2)(2)

• Multi-level zoom (+ right click option)

• User specified line width, point sizes, fonts, labeling options etc.

• Export Exodus GRD files

• Export a ‘Landmark’ format

• Drag & Drop to title bar or Dbl-Click in MS-Explorer to load a file (after association made)

• … and next week ... even more

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Preferences

EXODUS: WinDig EXODUS: WinDig – Preferences– Preferences (1)(1)

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File / Save

• To .dig format

File / Export

• To .grd format

• Landmark Format 3

EXODUS: WinDig EXODUS: WinDig – Save/Export– Save/Export (1)(1)

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DIGITIZING BITMAPSDIGITIZING BITMAPSWITH WINDIGWITH WINDIG

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Bitmap Option

Reference Area

EXODUS: WinDig EXODUS: WinDig – Bitmaps– Bitmaps (1)(1)

MS only allows “small” bitmaps

Can use any known points for registering bitmaps (e.g. wells)

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Load Bitmap

1. Enter list of known points

2. Accept registration list

3. Move ‘flags’ appropriately

• Register coordinate system

EXODUS: WinDig – Bitmaps EXODUS: WinDig – Bitmaps (2)(2)

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4. Save Registration (optional)*unique to this bitmap file on this computer

5. Apply Registration


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• Add lines, etc.

• Right-click to end line

• Options/Change Units

• File/Save_As to .dig file


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NOTE: Save different features separately(i.e. culture, well locs., contours)

Well X Y

4-11 6017.0 6136.2

14-11 7223.2 9114.5

1-10 4617.3 5822.0

4-14 5950.8 11107.5

HOMEWORK ? !

• Try digitizing bitmap.

• Try EV import(next slide).

• Try digitizer.


WinDig Detail

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