© 2013 Tesseral Technologies -User Documentation- 1
TESSERAL GEO MODELING SUITE
Windows Workplace (Pro V4.1)
User Manual
Tesseral Technologies Inc.
#380, 1500-14
th
Street SW,
Calgary, Alberta, Canada T3S 1C9
Tel: +1 403 457-0555
Email: support@tetrale.com
www.tesseral-geo.com; www.tetrale.com
Multiparameter Numerical Medium
for Seismic Modelling, Planning,
Imaging & Interpretation QC
Worldwide
© 2013 Tesseral Technologies -User Documentation- 2
Contents
1 ABOUT TESSERAL PRO ..................................................................................................................... 6
2 TESSERAL PRO PACKAGE DOWNLOAD AND INSTALLATION .............................................................. 7
2.1 SYSTEM REQUIREMENTS .......................................................................................................................... 9
3 INTRODUCTION ............................................................................................................................. 10
3.1 LAYOUT OF TESSERAL PRO WINDOW ........................................................................................................ 11
3.2 MENU OVERVIEW ................................................................................................................................. 12
3.3 GENERAL STEPS FOR SYNTHETIC MODELING ............................................................................................... 13
4 DEPTH MODEL BUILDING .............................................................................................................. 14
4.1 BUILDING A NEW MODEL ....................................................................................................................... 15
4.2 CREATION OF A SIMPLE 2D MODEL .......................................................................................................... 16
4.3 CREATION OF A MODEL FROM A SEISMIC FILE ........................................................................................... 18
4.4 CREATION OF A MODEL FROM SURFACES ................................................................................................ 21
4.5 CREATION OF A MODEL FROM WELLS ...................................................................................................... 25
4.6 CREATION OF A SIMPLE FLAT LAYERED MODEL FROM LAS FILE ........................................................................ 31
4.7 CREATION OF A MODEL FROM SPS-FILE .................................................................................................... 34
4.8 CREATION OF A MODEL FROM PICTURE ................................................................................................... 38
4.9 HYBRID METHOD FOR MODEL CREATION.................................................................................................... 41
4.10 LOAD MODEL IN OTHER FORMATS ....................................................................................................... 42
4.11 3D MODEL BUILDING FROM SURFACES ................................................................................................ 43
5 POLYGON CREATION AND EDITING ................................................................................................ 48
5.1 CREATE A POLYGON MANUALLY ................................................................................................................ 49
5.2 CHANGE POLYGON’S SHAPE .................................................................................................................... 53
5.3 MOVE/COPY A POLYGON ....................................................................................................................... 54
5.4 DELETE A POLYGON ............................................................................................................................... 55
5.5 EDIT POLYGON’S PROPERTIES .................................................................................................................. 56
5.6 ANISOTROPIC/FRACTURE/ABSORPTION PARAMETERS ................................................................................... 58
5.7 ORDER OF POLYGON OVERLAPPING .......................................................................................................... 60
5.8 BASE POINTS ....................................................................................................................................... 61
5.9 BUILD POLYGONS FROM WELL’S INTERSECTION DATA .................................................................................... 63
5.10 BUILD POLYGONS FROM WELL LOGS (THIN LAYERING) .............................................................................. 66
5.11 BUILD MODEL FROM 2D/3D GATHERS ................................................................................................. 71
5.12 SPECIFY THE POLYGON’S COMPONENTS BY UNDERLYING GATHER ................................................................ 72
6 ACQUISITION GEOMETRY .............................................................................................................. 73
6.1 RECEIVERS MOVE WITH SOURCE .............................................................................................................. 74
6.2 RECEIVERS AT FIXED POSITION ................................................................................................................. 76
6.3 ZERO OFFSET ....................................................................................................................................... 77
6.4 VSP AND VSP WITH ASCENDING RECEIVERS .............................................................................................. 78
6.5 VSP DIPOLE ........................................................................................................................................ 81
6.6 LOAD ACQUISITION GEOMETRY FROM GATHERS .......................................................................................... 82
6.7 LOAD ACQUISITION SCHEME FROM SPS FILES ............................................................................................. 83
6.8 STANDARD DIALOGUE BOX FOR ACQUISITION GEOMETRY .............................................................................. 85
7 SYNTHETIC GATHER CALCULATION ................................................................................................ 87
7.1 MODELING METHODS ........................................................................................................................... 88
7.2 SOURCE WAVELET ................................................................................................................................. 91
7.3 ADDITIONAL PARAMETERS ...................................................................................................................... 92
7.3.1 Eikonal Ray Tracing Modeling ................................................................................................ 94
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7.3.2 2.5D Elastic Anisotropic Modeling ......................................................................................... 95
7.4 GATHER CALCULATION .......................................................................................................................... 97
7.5 MODELING USING CLUSTER AND WINDOWS NETWORK ................................................................................. 99
7.5.1 Modeling using a cluster ...................................................................................................... 100
7.5.2 Modeling using Windows network ...................................................................................... 101
8 2D RAY TRACING ......................................................................................................................... 103
8.1 RAY-PATH DISPLAY IN FRAME MODEL ..................................................................................................... 106
8.2 RAY-PATH DISPLAY IN GATHERS .............................................................................................................. 108
8.3 RAY-TRACING PARAMETERS .................................................................................................................. 109
9 3D RAY-TRACING ......................................................................................................................... 112
9.1 3D SURVEY ....................................................................................................................................... 113
9.1.1 Load Map using backgroud picture. .................................................................................... 114
9.1.2 Choose 3D survey design. .................................................................................................... 118
9.1.3 Move and Rotate 3D survey. ................................................................................................ 122
9.1.4 Edit Shot and Receiver Stations. .......................................................................................... 123
9.1.5 Change Direction for Shot and Receiver Lines. .................................................................... 125
9.1.6 3D recording patch design. .................................................................................................. 127
9.1.7 Load survey from SPS-files. .................................................................................................. 129
9.1.8 Load survey from SGY-files. ................................................................................................. 133
9.1.9 3D survey export into SPS-files. ............................................................................................ 135
9.1.10 Fold Map .............................................................................................................................. 136
9.2 3D RAY TRACING MODELING ............................................................................................................... 138
9.2.1 Previewing 3D Velocity Model ............................................................................................. 139
9.2.2 Loading the Reflecting Surface ............................................................................................ 141
9.2.3 3D Ray Tracing simulation ................................................................................................... 143
9.2.4 Viewing the Illumination map.............................................................................................. 146
9.2.5 Viewing the rays .................................................................................................................. 150
10 PROCESSING OF SEISMIC GATHER ............................................................................................... 155
10.1 GENERAL PURPOSE PROCEDURES ..................................................................................................... 156
10.1.1 Copy Gather to SEG-Y Format .............................................................................................. 157
10.1.2 Split Seismogram by Shotgathers ........................................................................................ 158
10.1.3 Split SEG-Y File into Pieces of Limited Size ........................................................................... 159
10.1.4 Merge Seismograms ............................................................................................................ 160
10.1.5 Cut Out Cube/Section .......................................................................................................... 161
10.1.6 3D Replication ...................................................................................................................... 162
10.1.7 SEG-Y File Resampling.......................................................................................................... 164
10.1.8 Difference of 2 Seismograms ............................................................................................... 165
10.1.9 Import/Export Traces Coordinates ....................................................................................... 166
10.1.10 Write Visible Coordinates to Trace Headers ....................................................................... 167
10.2 VELOCITY MODEL .......................................................................................................................... 168
10.2.1 Average Velocities from Model ............................................................................................ 169
10.2.2 Depth-to-Time/Time-to-Depth conversion........................................................................... 170
10.3 PRE-PROCESSING .......................................................................................................................... 171
10.3.1 Gathering ............................................................................................................................. 172
10.4 STACK (TIME DOMAIN) ................................................................................................................... 173
10.4.1 Kinematic corrections (Normal Moveout) ........................................................................... 174
10.4.2 Stacking ............................................................................................................................... 175
10.4.3 CMP Stack ............................................................................................................................ 176
10.5 2D MIGRATION ............................................................................................................................ 177
10.5.1 Time Pre-Stack Kirchhoff Migration ..................................................................................... 178
10.5.2 Depth Pre-Stack Kirchhoff Migration ................................................................................... 179
10.6 POST-PROCESSING ........................................................................................................................ 181
10.6.1 Trace-wise Procedures ......................................................................................................... 182
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11 FRAMES ...................................................................................................................................... 183
11.1 FRAME TYPES................................................................................................................................ 184
11.2 FRAME SELECTION ......................................................................................................................... 186
11.3 FRAME LAYOUT ............................................................................................................................. 187
11.4 FRAME SIZE .................................................................................................................................. 188
11.5 UNDO/REDO ................................................................................................................................ 189
11.6 SCALE OF DISPLAY .......................................................................................................................... 190
11.7 PRINT AND EXPORT ........................................................................................................................ 191
11.8 PROJECT TREE AND THE DATABASE ..................................................................................................... 192
12 MODEL FRAME ............................................................................................................................ 194
12.1 PROPERTIES OF THE MODEL FRAME .................................................................................................. 195
12.2 MODEL RE-SIZE ............................................................................................................................. 198
12.3 MODEL EXPORT ............................................................................................................................ 199
12.3.1 Model export to a seismic format ........................................................................................ 200
12.3.2 Model export to Tesseral 2D (TAM format).......................................................................... 202
13 FRAME SEISMIC ........................................................................................................................... 203
13.1 LOAD SEISMIC FILES ........................................................................................................................ 204
13.1.1 Plan view.............................................................................................................................. 206
13.2 TRACE DISPLAY .............................................................................................................................. 207
13.3 OPERATIONS WITH SEISMIC FRAME ................................................................................................... 208
13.4 PREVIEW OF 3D SEISMIC MODELS OR 3D MIGRATION RESULTS ................................................................ 209
13.5 PROFILES ..................................................................................................................................... 210
13.6 OVERLAY SURFACES ON SEISMIC CUBES .............................................................................................. 212
13.7 HORIZONTAL SECTIONS ................................................................................................................... 213
13.8 SETTINGS FOR SEISMIC FRAME ......................................................................................................... 214
13.9 SNAPSHOT VIEWER ........................................................................................................................ 216
13.10 PREPARE SEISMIC FILES FOR LOADING ................................................................................................. 217
14 SURFACE FRAME ......................................................................................................................... 220
14.1 LOAD SURFACE FROM TEXT FILE ........................................................................................................ 221
14.2 CALCULATE SURFACES USING WELL DATA ............................................................................................. 223
14.2.1 Select fields for the project .................................................................................................. 224
14.2.2 Create Frame Surface .......................................................................................................... 225
14.2.3 Working area ....................................................................................................................... 226
14.2.4 Surface mapping .................................................................................................................. 228
14.2.5 Handling surfaces ................................................................................................................ 230
14.2.6 Surface display ..................................................................................................................... 231
14.2.7 Build model from surfaces ................................................................................................... 233
15 3D VIEW FRAME .......................................................................................................................... 237
15.1 SEISMIC DATA VISUALIZATION .......................................................................................................... 238
15.2 SURFACE VISUALIZATION ................................................................................................................. 239
15.3 VISUALIZATION OF INCLINOMETRY LOGS, WELL LOGS AND LAYERS ............................................................ 240
15.3.1 “General” tab – General well properties.............................................................................. 241
15.3.2 Well logs visualization ......................................................................................................... 242
15.3.3 Layer Visualization ............................................................................................................... 243
16 ANNEX 1: MEASUREMENT UNITS ................................................................................................ 244
16.1 MODEL FRAME ............................................................................................................................. 245
16.2 SEISMIC FRAME ............................................................................................................................ 247
16.3 SURFACE FRAME ........................................................................................................................... 249
16.4 DATABASE: TRANSFORM THE MEASUREMENT UNITS .............................................................................. 250
17 ANNEX 2: GEOPHYSICAL DATABASE ............................................................................................. 253
© 2013 Tesseral Technologies -User Documentation- 5
17.1 DBMS ........................................................................................................................................ 254
17.2 DIAGRAM OF CLASSES .................................................................................................................... 255
17.3 DESCRIPTION OF TABLES AND BASIC FIELDS .......................................................................................... 256
17.4 DATABASE CONNECTION, CREATION AND COPYING ................................................................................ 259
17.5 DATA LOADING .............................................................................................................................. 261
17.6 DATA EDITING ............................................................................................................................... 268
18 ANNEX 3: LICENSING POLICY ....................................................................................................... 270
18.1 SINGLE-USER LICENSE ..................................................................................................................... 271
18.2 NETWORK LICENSE ........................................................................................................................ 272
18.3 MIXED LICENSES ........................................................................................................................... 273
18.4 SETTING UP A LICENSE .................................................................................................................... 274
18.5 INSTALLING GUARDANT NETWORK SERVICES ....................................................................................... 275
18.5.1 Troubleshooting ................................................................................................................... 278