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GeoCenter, Inc. SeisUP ® GeoCenter, Inc. Training ~ 2003 University of Texas / Dallas Husky Oil / Western Canada Basin University of Texas / Dallas Husky Oil / Western Canada Basin
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Introduction February 12, 2003 2 University of Texas / Dallas HUSKY DATA Processed By: GeoCenter Inc. for Training Session using SeisUP ® GeoCenter Inc., Houston Texas
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Acknowledgments February 12, 2003 3 GeoCenter, Inc. President : Sukhdev Hyare Processing Manager: David Spaulding Special Projects: William Zepeda UT/D Students: Gordon Davison : Abrahim Shogar : Zijian Zhang : Nistala Suresh Many thanks to those who help organize and prepare this presentation. Especially to George McMechan for allowing us the privilege of using these data for this training session. And to Larry Yost for his professional opinions and his sincere patience.
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Table of Contents February 12, 2003 4 SeisUP ® GeoCenter, Inc. SlidesSubjectSlidesSubject 1 2 3 4 5 - 15 16 17 18 19 - 21 22 - 23 24 - 52 53- - 56 57 – 58 59 60 GeoCenter, Inc. Introduction Acknowledgments Table of Contents SeisUP OVERVIEW Processing Flow SP Map Fold Distribution Geometry QC #1 Raw Rec. & Power Spectra FK Filtering Analysis Surfwave #1 QC Brute Stacks Surfwave #2 QC. S.C. Gain Analysis S. C. Decon Datum vs Refraction Statics Floating Datum Smoother Floating vs Fixed Datum Velocity Analysis ISOV velocity plots Auto Statics QC & Stacks Final Stacks Post Stack FK-Migration Post Stack FX-Migration PSTM (KTMIG) AVO attributes VIP (velocity interpolation) Archiving Copyright Disclosure 61 62 - 65 66 67 - 72 73 74 - 75 76 - 82 83 -84 85 86 87 - 92 93 - 123 124 125 -127 128
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SeisUP OVERVIEW 5
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SeisUP 6
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Help 7
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Menu Tools FileEditExecuteOptionsUtilities Using the menu tools can be done easily either by opening the the various categories at top of window. (“File, Edit, Execute, Options, Utilities) OR The Icons on the right side of the window. 8
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Creating "NEW” Area / Line Type in New “AREA” and/or “Line” And click on “Create” OPEN 9
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New Line New Line created as “Z-Husky-1” under Area name “UT-DALLAS” 10
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Copy Processing Flows OPEN SELECT: AREA & LINE AND “OPEN” 11
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Selected Area / Line Area selected is now ready to be copied 12
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Selecting Processing Modules OPEN & “SELECT ALL” 13
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Select Area / Line to send copied modules. OPEN & “SELECT AREA & LINE” & “OK” 14
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Module Librarian 15 OPEN
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Processing Flow February 12, 2003 16 Processing Flow SeisUP ® GeoCenter, Inc. Reformat to GCI format Geometry + Edit Noise Analysis: a) FK Filter b) Surfwave Surface Consistent Gain Correction Statics: a) Datum b) Refraction (GLI3D) Surface Consistent Deconvolution Velocity Analysis Stack Q.C. Automatic Statics Velocity Analysis Stack + Filter + Scale Migrations AVO Processing Angle Gather QC Angle Stacks (3 to 24degree) AVO P-wave, Gradient, Poisson’s, & Fluid Factor Stacks AVO Cross plots FK Filtering Floating Datum vs Fixed Datum VIP + ISO Velocity a) RMS b) Interval Additional QC
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SP Map View 17
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Fold Distribution 18 Fold Distribution Plot
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Geometry QC 19 2-D Amplitude QC Surface diagram
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QC Shot Stack SHOT Stack Offsets = 200-600 meters Linear velocity = 3000 m/sec. 20
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QC Receiver Stack Receive Stack Offsets = 200-600 meters Linear velocity = 3000 m/sec. 21
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Raw Record Display Original Raw Record 22
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Power Spectrum Analysis 23 Original Raw Record Power Spectrum Of Zone in red.
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FK Filter Option 24 Opening the Inneractive FK-FILTER Analysis Select F-K analysis
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FK Filter Parameters 25 F-K Analysis parameter selection Make changes as specified After inserting parameters – press “OK” Wave number taper = 1 Frequency taper = 3 Max. Frequency = 60 Polygon filter = give name
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FK Filter Design Window 26 Mark specific zone of ground roll Press Analysis Button Pattern of Ground roll
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FK Filter Polygon Option 27 Press Polygon filter Left click to select noise area Right click to move selected points Middle click to delete points
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FK Filter Interactive After selecting filter points Press Filter Application button By pressing the Toggle button data zone will show before and after FK- filter application. 28
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FK Filter Interactive - ZOOM Zoom of zone with Fk-Filter application 29
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FK Filter Design Two Sided 30 Press Polygon Filter button Repeat exercise as before to select negative side of ground roll
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FK Filter Design (Two Sided) Symmetrical Polygon filter 31 Select symmetrical filter for ground roll.
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FK Filter – ZOOM (negative side) Zoom of selected zone 32
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FK Filter Interactive – ZOOM Both Sides 33 Select a larger zone to apply two sided polygon fk-filter To view the results press the fk-analysis and use toggle button to see before and aft. Polygon Filter Selected For Further Analysis press Parameter button (Next Slide)
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FK Filter Polygon Filter – Pass Option 34 Change the filter function to “PASS” And press OK.
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FK Filter Interactive – Pass Option 35 Apply filter and toggle to see before and after application. Signal that is being removed from data.
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FkFilter #2 Selecting another polygon filter Using same criteria as demonstrated in previous slides (fk-filter = fk2) 36
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FK Filter #2 Design (Two Sided) Symmetrical Polygon filter 37 Selecting negative side of polygon F-K filter. Using same criteria as demonstrated in previous slides
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FK Filter # 2 Application Reviewing polygon F-K filter (fk2). Using same criteria as demonstrated in previous 38
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FK Filter # 2a Design Revising fk2 polygon fk-filter points Using same criteria as demonstrated in previous slides (fk-filter = fk2) 39
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FK Filter # 2a Application Reviewing polygon F-K filter (fk2). Using same criteria as demonstrated in previous 40
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FK Filter # 2a Pass Filter Change the filter function to “PASS” And press OK. 41
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FK Filter # 2a Pass Filter Interactive Signal that is being removed from data with fk2 filter Apply filter and toggle to see before and after application. 42
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FK Filter # 2a Pass Filter Deeper zone analysis Change zone to area with no evident ground roll and apply fk2 filter 43
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FK Filter # 2a Pass Filter Deeper zone analysis interactive 44 Signal that is being removed from data.
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FK Filter Processing Flow 45 Data flow as it progresses through exercise in this presentation NOTE Data must be gain corrected or scaled properly before FK-FILTER application. In this case a 2500 msec AGC equalization was used
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FK Filter Parameter Selection 46 Selecting parameters for the FK-FILTER module
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FK Filter # 2 Full Record Application Record after application of FkFilter (fk2) 47
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Fk Filter #2 with Power Spectrum 48 Record after application of FkFilter (fk2) With power spectrum of zone in red.
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FK Filter or Surfwave Data flow as it progresses through exercise in this presentation Other module that will help reduce the ground roll = SURFWAVE” Estimate the velocity of the ground roll (wave propagation to be removed) and determine the dominate frequency of the ground roll. 49
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Surfwave Parameter selection 50 Velocity = 911 m /per second With dominant Frequency = 0-18 hz Module : SURFWAVE
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Surfwave Analysis Record after application of SURFWAVE 51
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Surfwave with Power Spectrum Record after application of SURFWAVE With power spectrum of zone in red. 52
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Geometry – Raw Record (qc1) 53 Raw Record
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Geometry – Edit(qc2) 54 Raw Record Edit
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SurfWave#1(qc3) 55 Surfwave #1
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SurfWave+SGN+SGNE(qc4) 56 Surfwave #1 Surface Consistent Gain
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SurfWave1+SGN+SGNE+SurfWave2(qc5) 57 Surfwave #1 Surface Consistent Gain Surfwave #2
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Datum Stack 58 Datum Brute Stack
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Refraction Stack 59 Refraction Static Brute Stack
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Gain Analysis 60 Surface Consistent Gain Analysis SGN1-2)
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Surface Consistent Decon(qc6) 61 Surface Consistent Decon
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ScDecon+Refraction Statics(qc7) 62 Surface Consistent Decon Refraction Statics
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ScDecon+Refraction Statics +AGC (qc7a) 63 Surface Consistent Decon Refraction Statics AGC
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ScDecon+Datum Statics (qc8) 64 Surface Consistent Decon Datum Statics
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ScDecon+Datum Statics+AGC (qc8a) 65 Surface Consistent Decon Datum Statics AGC
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Floating Elevation Smoother Smoothing Radius = 500 m Smoothing Radius = 1000 m 66 Fixed Datum = 1700 m 1700 m Various Datum and Static Profiles
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ScDecon + Floating to Fix Datum Stack (250 m radius) 67 SCDN Floating to Fix Datum / 250 m
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ScDecon + Floating to Fix Datum Stack (500 m radius) 68 SCDN Floating to Fix Datum / 500 m
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ScDecon + Floating to Fix Datum Stack (1000 m radius) 69 SCDN Floating to Fix Datum / 1000 m
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ScDecon+Datum Statics+Stack 70 SCDN Fix Datum
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ScDecon + Refraction Statics (HR Floating to fixed datum) 71 SCDN Refraction Static Floating to Fix Datum /
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ScDecon + Refraction Statics (fixed datum) 72 SCDN Refraction Static Fix Datum
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ScDecon+Refraction Statics +AutoStatics(MPAS) +Velocity Analysis 73 SCDN Refraction Static Fix Datum Auto Statics (MPAS) Velocity Analysis
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“RMS” ISO velocity plot 74 “RMS” ISO Velocity Display
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“INTERVAL” ISO velocity plot 75 “Interval” ISO Velocity Display
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ScDecon+Refraction Statics(Fix Datum) +AutoStatics(MPAS) + AGC (qc9) 76 SCDN Refraction Static Fix Datum Auto Statics (MPAS)
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ScDecon+Refraction Statics +AutoStatics(MPAS) + NMO (without Mute)+AGC (qc10) 77 SCDN Refraction+ MPAS+NMO Shot Record without mute Mute Design
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ScDecon+Refraction Statics +AutoStatics(MPAS) + NMO (with Mute)+AGC (qc10a) 78 SCDN Refraction+ MPAS+NMO Shot Record with mute
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ScDecon+Floating Datum Statics +AutoStatics(MPAS) Stack + Fix Datum. 79 SCDN Floating Datum MPAS Fix Datum
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ScDecon+Refraction Statics Floating +AutoStatics(MPAS) + Stack + Fix Datum 80 SCDN Floating Refraction MPAS Fix Datum
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ScDecon+Refraction Statics +AutoStatics(MPAS) + Stack 81 SCDN Refraction MPAS Fix Datum
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ScDecon+Refraction Statics +AutoStatics(MPAS)+Stack + FXDN 82 SCDN Refraction MPAS Fix Datum FXDN
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ScDecon+Refraction Statics Floating +AutoStatics(MPAS)+Stack + FXDN +Fix Datum 83 SCDN Refraction MPAS Fix Datum
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ScDecon+Refraction Statics +AutoStatics(MPAS)+Trim Statics +Stack + FXDN 84 SCDN Refraction MPAS Trim Statics Fix Datum FXDN
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FK-Migration 85 FK Migration
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FX-Migration 86 FX Migration
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Prestack Kirchhoff Migration (KTMIG) Filter AGC 87 Prestack Kirchhoff Migration (KTMIG)
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KTMIG RAP Filter STACK Prestack Kirchhoff Migration (KTMIG) RAP Stack 88
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KTMG Post Stack Gain Analysis Interactive Gain Analysis 89 Compress Display And design window over entire data set NOTE: Window design is “HORIZONTAL” over the number of traces to analyze
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KTMIG Gain Filter Stack Prestack Kirchhoff Migration (KTMIG) Gain Stack 90
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Prestack Kirchhoff Migration (KTMIG) +Stack + FXDN + Filter AGC 91 Prestack Kirchhoff Migration (KTMIG) FXDN
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KTMIG Gather’s Prestack Kirchhoff Migration (KTMIG) Gather’s 92
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AVO Analysis ~ XAVA 93
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Xava Parameters – angle of incidence 94
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Xava Parameters – angle limited CMP 95
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Xava Parameters –incidence angle value 96
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Display Parameters for Xava QC DISPLAY Parameters 97
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Color Display Parameters (1 degree) 1 degree angles 98
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Display angles in color 1 degree increments 1 degree angles 99
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Color Display Parameters (2 degree) 2 degree angles 100
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Display angles in color 2 degree increments 2 degree angles 101
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Color Display Parameters (6 degree) 6 degree angles 102
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Display angles in color 6 degree increments 6 degree angles 103
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Display angles in color 1-2-6 degrees 1 degree angles 2 degree angles 6 degree angles 104
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AVOA Flow AVOA 105
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AVOA Parameters 106
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Avoa Header value = attributes AVOA header values = attributes 107
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AVOA ~ P-wave stack 108 AVOA ~ P-wave Stack
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AVOA ~ P-wave stack - Color 109 AVOA ~ P-wave Stack (color)
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AVOA ~ P-wave stack – Color ZOOM 110 AVOA ~ P-wave Stack ZOOM
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AVOA ~ S-wave Gradient stack 111 AVOA ~ S-wave Gradient Stack
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AVOA ~ S-wave Gradient stack - Color 112 AVOA ~ S-wave Gradient Stack (color)
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AVOA ~ S-wave Gradient stack – Color ZOOM 113 AVOA ~ S-wave Gradient Stack ZOOM
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AVOA ~ Poisson’s Ratio Stack 114 AVOA ~ Poisson’s Ration Stack
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AVOA ~ Poisson’s Ratio Stack - Color 115 AVOA ~ Poisson’s Ration Stack (color)
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AVOA ~ Poisson’s Ratio Stack – Color ZOOM 116 AVOA ~ Poisson’s Ration Stack ZOOM
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AVOA ~ Fluid Factor Stack – 117 AVOA ~ Fluid Factor Stack
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AVOA ~ Fluid Factor Stack – Color 118 AVOA ~ Fluid Factor Stack (color)
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AVOA ~ Fluid Factor Stack – Color ZOOM 119 AVOA ~ Fluid Factor Stack ZOOM
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AVOCROSS Flow 120 AVOCROSS Flow
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Avocross Parameters AVOCROSS Parameters 121
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Avo cross view “cgm“ display 122 AVOCROS Select and View
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AVOCROSS P-wave + Gradient Slope 123
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VIP (Velocity Interpolation) Segy format velocity disc file Velocity Input Sampling/smoothing options Velocity Conversion Velocity Extraction from a VIP file NOTE: THIS FILE WILL NOW BE USED IN THE “VIP” MODULE BELOW Velocity Input Sampling/smoothing options QC DISPLAYS Notice that we started with a VIP and ended with a VIP module. 124 VIP ~(velocity interpolation)
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BACK UP AREA (ARCHIVE) TO TAPE 125 To Backup area for Archiving data flow: Press “File” Select “Backup area”
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Selecting Area to Archive “Backup Area” window appear: Select Area to backup Assign tape drive number Set Backup data sets? To “NO” Press OK NOTE: WHILE DOING THIS PROCEDURE DO NOT HAVE ANYTHING ACTIVE IN THE SAME AREA. 126
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Archive data set to tape Backup to tape the data set that was input to the “GEOM” data queue. 127
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Copyright Disclosure Disclosure February 12, 2003 128 GeoCenter, Inc. SeisUP ® Houston, Texas This presentation has been exclusively created for the University of Texas / Dallas GeoCenter, Inc. has made every effort to ensure the accuracy of the information herein. However, appropriate information sources should be consulted, especially for new or unfamiliar processing procedures. It is the responsibility of the processing geophysicist to evaluate and conclude his/her own opinion to the context of the material presented. It is forbidden to reproduce or to transmit in any form or by any means, electronic or mechanical, including photocopying any portion of this presentation without written permission from the University of Texas/Dallas and GeoCenter, Inc. William E. Zepeda Special Projects / Customer Support E-mail: wzepeda@geocenter.com
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