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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.

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Presentation on theme: "GeoCenter, Inc. SeisUP ® GeoCenter, Inc. Training ~ 2003 University of Texas / Dallas Husky Oil / Western Canada Basin University of Texas / Dallas Husky."— Presentation transcript:

1 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

2 Introduction February 12, University of Texas / Dallas HUSKY DATA Processed By: GeoCenter Inc. for Training Session using SeisUP ® GeoCenter Inc., Houston Texas

3 Acknowledgments February 12, 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.

4 Table of Contents February 12, SeisUP ® GeoCenter, Inc. SlidesSubjectSlidesSubject – 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

5 SeisUP OVERVIEW 5

6 SeisUP 6

7 Help 7

8 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

9 Creating "NEW” Area / Line Type in New “AREA” and/or “Line” And click on “Create” OPEN 9

10 New Line New Line created as “Z-Husky-1” under Area name “UT-DALLAS” 10

11 Copy Processing Flows OPEN SELECT: AREA & LINE AND “OPEN” 11

12 Selected Area / Line Area selected is now ready to be copied 12

13 Selecting Processing Modules OPEN & “SELECT ALL” 13

14 Select Area / Line to send copied modules. OPEN & “SELECT AREA & LINE” & “OK” 14

15 Module Librarian 15 OPEN

16 Processing Flow February 12, 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

17 SP Map View 17

18 Fold Distribution 18 Fold Distribution Plot

19 Geometry QC 19 2-D Amplitude QC Surface diagram

20 QC Shot Stack SHOT Stack Offsets = meters Linear velocity = 3000 m/sec. 20

21 QC Receiver Stack Receive Stack Offsets = meters Linear velocity = 3000 m/sec. 21

22 Raw Record Display Original Raw Record 22

23 Power Spectrum Analysis 23 Original Raw Record Power Spectrum Of Zone in red.

24 FK Filter Option 24 Opening the Inneractive FK-FILTER Analysis Select F-K analysis

25 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

26 FK Filter Design Window 26 Mark specific zone of ground roll Press Analysis Button Pattern of Ground roll

27 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

28 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

29 FK Filter Interactive - ZOOM Zoom of zone with Fk-Filter application 29

30 FK Filter Design Two Sided 30 Press Polygon Filter button Repeat exercise as before to select negative side of ground roll

31 FK Filter Design (Two Sided) Symmetrical Polygon filter 31 Select symmetrical filter for ground roll.

32 FK Filter – ZOOM (negative side) Zoom of selected zone 32

33 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)

34 FK Filter Polygon Filter – Pass Option 34 Change the filter function to “PASS” And press OK.

35 FK Filter Interactive – Pass Option 35 Apply filter and toggle to see before and after application. Signal that is being removed from data.

36 FkFilter #2 Selecting another polygon filter Using same criteria as demonstrated in previous slides (fk-filter = fk2) 36

37 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

38 FK Filter # 2 Application Reviewing polygon F-K filter (fk2). Using same criteria as demonstrated in previous 38

39 FK Filter # 2a Design Revising fk2 polygon fk-filter points Using same criteria as demonstrated in previous slides (fk-filter = fk2) 39

40 FK Filter # 2a Application Reviewing polygon F-K filter (fk2). Using same criteria as demonstrated in previous 40

41 FK Filter # 2a Pass Filter Change the filter function to “PASS” And press OK. 41

42 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

43 FK Filter # 2a Pass Filter Deeper zone analysis Change zone to area with no evident ground roll and apply fk2 filter 43

44 FK Filter # 2a Pass Filter Deeper zone analysis interactive 44 Signal that is being removed from data.

45 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

46 FK Filter Parameter Selection 46 Selecting parameters for the FK-FILTER module

47 FK Filter # 2 Full Record Application Record after application of FkFilter (fk2) 47

48 Fk Filter #2 with Power Spectrum 48 Record after application of FkFilter (fk2) With power spectrum of zone in red.

49 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

50 Surfwave Parameter selection 50 Velocity = 911 m /per second With dominant Frequency = 0-18 hz Module : SURFWAVE

51 Surfwave Analysis Record after application of SURFWAVE 51

52 Surfwave with Power Spectrum Record after application of SURFWAVE With power spectrum of zone in red. 52

53 Geometry – Raw Record (qc1) 53 Raw Record

54 Geometry – Edit(qc2) 54 Raw Record Edit

55 SurfWave#1(qc3) 55 Surfwave #1

56 SurfWave+SGN+SGNE(qc4) 56 Surfwave #1 Surface Consistent Gain

57 SurfWave1+SGN+SGNE+SurfWave2(qc5) 57 Surfwave #1 Surface Consistent Gain Surfwave #2

58 Datum Stack 58 Datum Brute Stack

59 Refraction Stack 59 Refraction Static Brute Stack

60 Gain Analysis 60 Surface Consistent Gain Analysis SGN1-2)

61 Surface Consistent Decon(qc6) 61 Surface Consistent Decon

62 ScDecon+Refraction Statics(qc7) 62 Surface Consistent Decon Refraction Statics

63 ScDecon+Refraction Statics +AGC (qc7a) 63 Surface Consistent Decon Refraction Statics AGC

64 ScDecon+Datum Statics (qc8) 64 Surface Consistent Decon Datum Statics

65 ScDecon+Datum Statics+AGC (qc8a) 65 Surface Consistent Decon Datum Statics AGC

66 Floating Elevation Smoother Smoothing Radius = 500 m Smoothing Radius = 1000 m 66 Fixed Datum = 1700 m 1700 m Various Datum and Static Profiles

67 ScDecon + Floating to Fix Datum Stack (250 m radius) 67 SCDN Floating to Fix Datum / 250 m

68 ScDecon + Floating to Fix Datum Stack (500 m radius) 68 SCDN Floating to Fix Datum / 500 m

69 ScDecon + Floating to Fix Datum Stack (1000 m radius) 69 SCDN Floating to Fix Datum / 1000 m

70 ScDecon+Datum Statics+Stack 70 SCDN Fix Datum

71 ScDecon + Refraction Statics (HR Floating to fixed datum) 71 SCDN Refraction Static Floating to Fix Datum /

72 ScDecon + Refraction Statics (fixed datum) 72 SCDN Refraction Static Fix Datum

73 ScDecon+Refraction Statics +AutoStatics(MPAS) +Velocity Analysis 73 SCDN Refraction Static Fix Datum Auto Statics (MPAS) Velocity Analysis

74 “RMS” ISO velocity plot 74 “RMS” ISO Velocity Display

75 “INTERVAL” ISO velocity plot 75 “Interval” ISO Velocity Display

76 ScDecon+Refraction Statics(Fix Datum) +AutoStatics(MPAS) + AGC (qc9) 76 SCDN Refraction Static Fix Datum Auto Statics (MPAS)

77 ScDecon+Refraction Statics +AutoStatics(MPAS) + NMO (without Mute)+AGC (qc10) 77 SCDN Refraction+ MPAS+NMO Shot Record without mute Mute Design

78 ScDecon+Refraction Statics +AutoStatics(MPAS) + NMO (with Mute)+AGC (qc10a) 78 SCDN Refraction+ MPAS+NMO Shot Record with mute

79 ScDecon+Floating Datum Statics +AutoStatics(MPAS) Stack + Fix Datum. 79 SCDN Floating Datum MPAS Fix Datum

80 ScDecon+Refraction Statics Floating +AutoStatics(MPAS) + Stack + Fix Datum 80 SCDN Floating Refraction MPAS Fix Datum

81 ScDecon+Refraction Statics +AutoStatics(MPAS) + Stack 81 SCDN Refraction MPAS Fix Datum

82 ScDecon+Refraction Statics +AutoStatics(MPAS)+Stack + FXDN 82 SCDN Refraction MPAS Fix Datum FXDN

83 ScDecon+Refraction Statics Floating +AutoStatics(MPAS)+Stack + FXDN +Fix Datum 83 SCDN Refraction MPAS Fix Datum

84 ScDecon+Refraction Statics +AutoStatics(MPAS)+Trim Statics +Stack + FXDN 84 SCDN Refraction MPAS Trim Statics Fix Datum FXDN

85 FK-Migration 85 FK Migration

86 FX-Migration 86 FX Migration

87 Prestack Kirchhoff Migration (KTMIG) Filter AGC 87 Prestack Kirchhoff Migration (KTMIG)

88 KTMIG RAP Filter STACK Prestack Kirchhoff Migration (KTMIG) RAP Stack 88

89 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

90 KTMIG Gain Filter Stack Prestack Kirchhoff Migration (KTMIG) Gain Stack 90

91 Prestack Kirchhoff Migration (KTMIG) +Stack + FXDN + Filter AGC 91 Prestack Kirchhoff Migration (KTMIG) FXDN

92 KTMIG Gather’s Prestack Kirchhoff Migration (KTMIG) Gather’s 92

93 AVO Analysis ~ XAVA 93

94 Xava Parameters – angle of incidence 94

95 Xava Parameters – angle limited CMP 95

96 Xava Parameters –incidence angle value 96

97 Display Parameters for Xava QC DISPLAY Parameters 97

98 Color Display Parameters (1 degree) 1 degree angles 98

99 Display angles in color 1 degree increments 1 degree angles 99

100 Color Display Parameters (2 degree) 2 degree angles 100

101 Display angles in color 2 degree increments 2 degree angles 101

102 Color Display Parameters (6 degree) 6 degree angles 102

103 Display angles in color 6 degree increments 6 degree angles 103

104 Display angles in color degrees 1 degree angles 2 degree angles 6 degree angles 104

105 AVOA Flow AVOA 105

106 AVOA Parameters 106

107 Avoa Header value = attributes AVOA header values = attributes 107

108 AVOA ~ P-wave stack 108 AVOA ~ P-wave Stack

109 AVOA ~ P-wave stack - Color 109 AVOA ~ P-wave Stack (color)

110 AVOA ~ P-wave stack – Color ZOOM 110 AVOA ~ P-wave Stack ZOOM

111 AVOA ~ S-wave Gradient stack 111 AVOA ~ S-wave Gradient Stack

112 AVOA ~ S-wave Gradient stack - Color 112 AVOA ~ S-wave Gradient Stack (color)

113 AVOA ~ S-wave Gradient stack – Color ZOOM 113 AVOA ~ S-wave Gradient Stack ZOOM

114 AVOA ~ Poisson’s Ratio Stack 114 AVOA ~ Poisson’s Ration Stack

115 AVOA ~ Poisson’s Ratio Stack - Color 115 AVOA ~ Poisson’s Ration Stack (color)

116 AVOA ~ Poisson’s Ratio Stack – Color ZOOM 116 AVOA ~ Poisson’s Ration Stack ZOOM

117 AVOA ~ Fluid Factor Stack – 117 AVOA ~ Fluid Factor Stack

118 AVOA ~ Fluid Factor Stack – Color 118 AVOA ~ Fluid Factor Stack (color)

119 AVOA ~ Fluid Factor Stack – Color ZOOM 119 AVOA ~ Fluid Factor Stack ZOOM

120 AVOCROSS Flow 120 AVOCROSS Flow

121 Avocross Parameters AVOCROSS Parameters 121

122 Avo cross view “cgm“ display 122 AVOCROS Select and View

123 AVOCROSS P-wave + Gradient Slope 123

124 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)

125 BACK UP AREA (ARCHIVE) TO TAPE 125 To Backup area for Archiving data flow: Press “File” Select “Backup area”

126 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

127 Archive data set to tape Backup to tape the data set that was input to the “GEOM” data queue. 127

128 Copyright Disclosure Disclosure February 12, 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


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