WellCAD Basics - Advanced Logic Technology

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220 - BOOK 1 - WELLCAD BASICS www.alt.lu � Logarithmic fit (Y on X, X on Y and RMA (Reduced Major Axis)). Calculates the least squares fit through points by using the following equation, Y Y on X RMA y c log x � b � 10 where c and b are constants and log10 is the base 10 logarithm function. � Exponential fit (Y on X, X on Y and RMA (Reduced Major Axis)). Calculates the least squares fit through points by using the following equation, bx y � ce where c and b are constants and e is the base of the natural logarithm. � Power fit (Y on X, X on Y and RMA (Reduced Major Axis)). Calculates the least squares fit through points by using the following equation, where c and b are constants. b y � cx The following figure illustrates the difference between Y on X, X on Y and RMA regression for a linear fit. X on Y X Comparison of different regression criteria.
1.8.4.2 Regression Data Source 1.8.4.3 Regression Display Options BOOK 1 - WELLCAD BASICS - 221 The Data Source tab of the Regression Settings dialog box provides a tree control listing all plots, classifications and clusters available in the cross-plot chart. By checking the plots (listed by their given plot title) and clusters (name derived from assigned lithology pattern) you can specify which data points will be considered by the regression algorithm. In the example shown in the figure above all points from Plot 1 and Plot 2 Regression Settings Data Source selection falling into Cluster 1 will be taken into account. If color and/or symbol classifications have been applied to the data a further level will be available in the tree control allowing the restriction of cross plotted points down to a single class. The different tools in the Options tab allow settings with respect to the presentation of the regression line and its details. Note that the Legend options are only available in the Print Layout view explained in the Layout and Formatting paragraph. The Pen color, style and width settings determine the appearance of the regression line. Its length, usually limited through the lowest and highest data point taken into account, can be extended using the Extend controls. Settings related to the presentation of the regression line. The Legend section (only in the Print Layout view) contains a number of options that can be hidden or displayed in the legend belonging to a certain regression line. E.g. the display of the equation determined from the least squares fit can be displayed or hidden. An example is shown below.
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4.4 Book 1 - Basics
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Introduction ......................
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Comment Log .......................
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Introduction INTRODUCTION - I Licen
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INTRODUCTION - III running a Flexne
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Book 1 - WellCAD Basics BOOK 1 - WE
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BOOK 1 - WELLCAD BASICS - 3 The Tit
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1.2.1.1 Reader Module BOOK 1 - WELL
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1.2.3 Draft, Presentation and Print
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1.2.4.1 Switching between documents
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BOOK 1 - WELLCAD BASICS - 11 Usuall
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Display Styles: 1.3.1.3 Depth Colum
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1.3.1.5 Marker Log Display Styles:
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1.3.1.7 CoreDesc Log Display Styles
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1.3.1.9 Strata Log Display Styles:
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Data Format: BOOK 1 - WELLCAD BASIC
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1.3.1.12 Full Wave Sonic Log Descri
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BOOK 1 - WELLCAD BASICS - 25 1.3.1.
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1.3.1.16 Analysis Log Display Style
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1.3.1.18 Structure Log Display Styl
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1.3.1.19 Breakout Log Description:
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1.3.1.21 Engineering Log Descriptio
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1.3.1.23 Polar & Rose Log Descripti
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1.3.1.25 3D Log Display Styles: Des
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BOOK 1 - WELLCAD BASICS - 39 An alt
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1.3.2.3 Naming Logs Right click on
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Tick to enable snap to specified mu
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To display the Document Layout Bar:
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After aligning logs side-by-side In
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BOOK 1 - WELLCAD BASICS - 49 Log wi
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1.3.2.7 Depth Shifting Logs BOOK 1
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1.3.2.9 Extending Logs 1.3.2.10 Cut
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BOOK 1 - WELLCAD BASICS - 55 � Pr
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1.3.2.13 Comparing Log Data - The T
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1.3.2.15 Find and Replace data BOOK
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BOOK 1 - WELLCAD BASICS - 61 Check
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General settings: Check to hide the
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1.3.3.2 Main Settings Background: B
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BOOK 1 - WELLCAD BASICS - 67 Or �
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1.3.3.4 Copy Settings between Logs
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1.4 Basic Document Editing 1.4.1 De
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BOOK 1 - WELLCAD BASICS - 73 Note:
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BOOK 1 - WELLCAD BASICS - 75 measur
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1.4.2 Data Import BOOK 1 - WELLCAD
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To use an alias table during import
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BOOK 1 - WELLCAD BASICS - 81 Use Al
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List of data channels contained in
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BOOK 1 - WELLCAD BASICS - 85 Previe
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BOOK 1 - WELLCAD BASICS - 87 repres
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Click to select the channels to imp
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BOOK 1 - WELLCAD BASICS - 91 config
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Preview of the embedded configurati
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Selected Files: BOOK 1 - WELLCAD BA
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BOOK 1 - WELLCAD BASICS - 97 The DL
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BOOK 1 - WELLCAD BASICS - 99 WellCA
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BOOK 1 - WELLCAD BASICS - 101 The d
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Switch between header and trailer s
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Empty dynamic text fields Interacti
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BOOK 1 - WELLCAD BASICS - 107 Dialo
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BOOK 1 - WELLCAD BASICS - 109 1.4.4
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Enabled when data overlap must be h
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BOOK 1 - WELLCAD BASICS - 113 Gamma
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1.4.5 Data Export BOOK 1 - WELLCAD
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1.4.5.2 Generating a LAS File BOOK
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BOOK 1 - WELLCAD BASICS - 119 � S
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1.4.6.2 Page Setup BOOK 1 - WELLCAD
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1.4.6.3 Print Preview and Print BOO
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BOOK 1 - WELLCAD BASICS - 125 Const
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Formula for Vsh BOOK 1 - WELLCAD BA
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Code recorded as data, it refers to
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BOOK 1 - WELLCAD BASICS - 131 Examp
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BOOK 1 - WELLCAD BASICS - 133 Conta
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1.5.5 Setting up Classifications BO
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BOOK 1 - WELLCAD BASICS - 137 The f
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BOOK 1 - WELLCAD BASICS - 139 Dialo
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BOOK 1 - WELLCAD BASICS - 141 Litho
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BOOK 1 - WELLCAD BASICS - 143 If We
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1.5.11 Correcting Data for Borehole
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Note: 1.5.12.1 Azimuth and Tilt BOO
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1.5.12.2 Easting, Northing and TVD
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Balanced Tangential: Coordinates of
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BOOK 1 - WELLCAD BASICS - 153 Input
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1.5.13.3 Drift Correction Spectrum
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BOOK 1 - WELLCAD BASICS - 157 Log:
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1.5.13.7 Window Based Model BOOK 1
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Remarks Tab Model Design Tab Window
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BOOK 1 - WELLCAD BASICS - 163 The i
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Log containing the measurements (sp
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2 nd element (e.g. U): BOOK 1 - WEL
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Page 181 and 182: 1.5.14 Hole Volume Calculation BOOK
Page 183 and 184: Unit: BOOK 1 - WELLCAD BASICS - 173
Page 185 and 186: Interval: Select a log dealing with
Page 187 and 188: Inserting intervals: After selectin
Page 189 and 190: To display the Annotation Bar: �
Page 191 and 192: Begin is where you clicked to draw
Page 193 and 194: 1.6.1.3 Callout Annotation BOOK 1 -
Page 195 and 196: List of existing layers Click to al
Page 197 and 198: 1.7.1.2 Creating Anchor Points Link
Page 199 and 200: Common link lines and their effect
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Page 203 and 204: BOOK 1 - WELLCAD BASICS - 193 Tilt
Page 205 and 206: Select the depth reference that cor
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Page 211 and 212: BOOK 1 - WELLCAD BASICS - 201 Date/
Page 213 and 214: BOOK 1 - WELLCAD BASICS - 203 Orien
Page 215 and 216: BOOK 1 - WELLCAD BASICS - 205 Cross
Page 217 and 218: 1.8.1.2 Chart Settings Chart Title
Page 219 and 220: 1.8.1.4 Depth Range Selection BOOK
Page 221 and 222: 1.8.2.2 Log Overview Axis Settings
Page 223 and 224: BOOK 1 - WELLCAD BASICS - 213 Highl
Page 225 and 226: 1.8.2.3 Cluster Statistics 1.8.3 Bu
Page 227 and 228: Creating a Cluster � Move your cu
Page 229: 1.8.4 Adding Regression 1.8.4.1 Reg
Page 233 and 234: BOOK 1 - WELLCAD BASICS - 223 Right
Page 235 and 236: Annotation Clusters Legend Plot Leg
Page 237 and 238: Plot Legend BOOK 1 - WELLCAD BASICS
Page 239 and 240: 1.8.5.2 Inserting Annotations BOOK
Page 241 and 242: Appendix A APPENDIX A - 231 The fol
Page 243 and 244: Display Styles: Well Log data is al
Page 245 and 246: APPENDIX A - 235 Scale: The horizon
Page 247 and 248: Select the presentation style for e
Page 249 and 250: Classification: APPENDIX A - 239 Cl
Page 251 and 252: APPENDIX A - 241 Copy: Copies the d
Page 253 and 254: Mud Log Description: APPENDIX A - 2
Page 257 and 258: APPENDIX A - 247 polarity positive
Page 259 and 260: APPENDIX A - 249 correct depth. A c
Page 261 and 262: Editing Methods: APPENDIX A - 251 T
Page 263 and 264: Shift by: Performs a constant depth
Page 265 and 266: APPENDIX A - 255 Mud Log to Litho L
Page 267 and 268: � Open the Edit > Insert New Log
Page 269 and 270: APPENDIX A - 259 Position: The dept
Page 271 and 272: APPENDIX A - 261 Items Count: For e
Page 273 and 274: APPENDIX A - 263 Cut: Copies the da
Page 275 and 276: Interval Log Description: APPENDIX
Page 279 and 280: Classified Bar: Classified Bar styl
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APPENDIX A - 271 In some cases it m
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APPENDIX A - 273 Inserting data:
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Conversion to other log types: APPE
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Comment Log Description: APPENDIX A
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Format: APPENDIX A - 279 From left
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Editing Methods: APPENDIX A - 281 C
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APPENDIX A - 283 The following opti
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APPENDIX A - 285 Defaults can be se
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Inserting a new Marker Log: APPENDI
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Name Dictionary: APPENDIX A - 289 T
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Flying Menu: Settings: Get access t
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CoreDesc Log Description: APPENDIX
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Main Settings: Title: Core Descript
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Background hidden (right) to enhanc
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To re-position the entire interval:
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APPENDIX A - 301 When sorting is pe
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Lithology Log Description: APPENDIX
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APPENDIX A - 305 WellCAD. LTH libra
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Primary: Bed limits and contact lin
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Select a pattern that will be used
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Litho Bar attached to WellCAD Works
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Delete: Removes the log and its dat
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Pattern Dictionary: Lithology Log d
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Display Styles: APPENDIX A - 317 St
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APPENDIX A - 319 Column Settings: T
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APPENDIX A - 321 Left: Strata colum
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Box Style set to Center, Left, Righ
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Inserting Data: Click to insert fre
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APPENDIX A - 327 The following opti
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Stacking Pattern Log Description: A
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APPENDIX A - 331 Title: Enter the t
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APPENDIX A - 333 Changing top and b
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Conversion of stacking pattern inte
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OLE Log Description: APPENDIX A - 3
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Tool Bar and Menu Bar from EXCEL Ne
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Main Settings: Title: OLE Log Setti
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Slice at: Splits the data set into
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Inserting a new FWS Log: APPENDIX A
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APPENDIX A - 347 upper and lower pa
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Default Settings: APPENDIX A - 349
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Inserting a new VSP Log: APPENDIX A
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Editing Methods: APPENDIX A - 353 V
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APPENDIX A - 355 Image Log / Image
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Main Settings: Title: Select the We
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APPENDIX A - 359 The Shifted Curve
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APPENDIX A - 361 Copy: Copies the d
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RGB Log Description: APPENDIX A - 3
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Flying Menu: RGB Log Flying Menu AP
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RGB Log to Image Log conversion APP
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APPENDIX A - 369 Line style: Data p
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Style: APPENDIX A - 371 The Analysi
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APPENDIX A - 373 Clicking the Advan
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APPENDIX A - 375 Adjust the depth r
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APPENDIX A - 377 Continue inserting
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Main Settings: Title: Percentage Lo
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Line Style: Line style APPENDIX A -
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APPENDIX A - 385 The Analysis Compo
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Flying Menu: Percentage Log Flying
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APPENDIX A - 389 The default patter
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W S N E APPENDIX A - 391 N E S W N
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Additional Attributes: APPENDIX A -
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Caliper button: Structure Log in Pr
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Tadpole: Structure Tadpole style se
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Editing Methods: APPENDIX A - 399 N
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APPENDIX A - 401 sine wave that wil
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APPENDIX A - 403 Clear Contents: Er
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Breakout Log Description: APPENDIX
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Title: APPENDIX A - 407 Enter the t
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Breakout projection style settings
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To delete a breakout pick: � Sele
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Inserting a new Bio Log: APPENDIX A
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APPENDIX A - 417 Position: You can
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APPENDIX A - 419 When opening the H
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APPENDIX A - 421 Style: If the Disp
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Flying Menu: Bio Log Flying Menu AP
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Engineering Log Description: APPEND
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Display Styles: APPENDIX A - 427 En
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Full, Left and Right display styles
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Drill Item Example of a log with th
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Flying Menu: Engineering Log Flying
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Shading Log Description: APPENDIX A
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APPENDIX A - 437 Copy: Copies the d
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Inserting A New 3D Log: APPENDIX A
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Title: APPENDIX A - 441 Enter the t
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Frame: APPENDIX A - 443 If no Frame
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APPENDIX A - 445 Select the log tha
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450 - APPENDIX A www.alt.lu Breakou
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452 - APPENDIX A www.alt.lu Box: Po
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454 - APPENDIX A www.alt.lu Rose Di
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456 - APPENDIX A www.alt.lu Mean Di
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458 - APPENDIX A www.alt.lu For pur
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460 - APPENDIX A www.alt.lu Grid: Y
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462 - APPENDIX A www.alt.lu Rose Az
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464 - APPENDIX A www.alt.lu Concent
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466 - APPENDIX A www.alt.lu Vector
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468 - APPENDIX A www.alt.lu Rose Di
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470 - APPENDIX A www.alt.lu As the
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472 - APPENDIX A www.alt.lu Editing
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474 - APPENDIX A www.alt.lu Fill: A
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476 - APPENDIX A Cross Section Log
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478 - APPENDIX A www.alt.lu Data dr
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480 - APPENDIX A www.alt.lu extensi
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482 - APPENDIX A www.alt.lu � Cli
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484 - APPENDIX A www.alt.lu Default
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486 - APPENDIX B Tool Bar www.alt.l
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488 - APPENDIX B www.alt.lu Toggle
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490 - APPENDIX B Pen Bar www.alt.lu
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492 - APPENDIX B Document Layout Ba
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Appendix C Listed are all functions
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Power( A, P ) Returns argument (A)
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Index 3 3D Log · 37, 438 3D Log Ma
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Deleting Logs · 39 Depth Axis · 7
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Marker position · 148 Mask horizon
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Structure Log Editing · 399 Struct
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WellCAD Basics - Advanced Logic Technology

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