GeoCenter, Inc.

SeisUP ®

SeisUP ®

GeoCenter, Inc.GeoCenter, Inc.

Training ~ 2003Training ~ 2003University of Texas / Dallas

Husky Oil / Western Canada Basin

University of Texas / Dallas

Husky Oil / Western Canada Basin

Introduction

February 12, 20032

University of Texas / Dallas

HUSKY DATA

Processed By: GeoCenter Inc.

for Training Session using

SeisUP ®

GeoCenter Inc., Houston Texas

Acknowledgments

February 12, 20033

GeoCenter, Inc.President : Sukhdev HyareProcessing Manager : David SpauldingSpecial Projects : William ZepedaUT/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.

Table of ContentsTable of Contents

February 12, 20034SeisUP

®

GeoCenter, Inc.Slides Subject Slides Subject

1234

5 - 15161718

19 - 2122 - 2324 - 52 53- - 5657 – 58

5960

GeoCenter, Inc.IntroductionAcknowledgmentsTable of ContentsSeisUP OVERVIEWProcessing FlowSP MapFold DistributionGeometry QC #1Raw Rec. & Power SpectraFK Filtering AnalysisSurfwave #1 QCBrute StacksSurfwave #2 QC.S.C. Gain Analysis

S. C. Decon Datum vs Refraction StaticsFloating Datum SmootherFloating vs Fixed DatumVelocity AnalysisISOV velocity plotsAuto Statics QC & StacksFinal StacksPost Stack FK-MigrationPost Stack FX-MigrationPSTM (KTMIG)AVO attributesVIP (velocity interpolation)ArchivingCopyright Disclosure

6162 - 65

6667 - 72

7374 - 7576 - 82 83 -84

8586

87 - 9293 - 123

124125 -127

128

SeisUP OVERVIEW

5

SeisUP

6

Help

7

Menu ToolsFile Edit Execute Options Utilities

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

Creating "NEW” Area / Line

Type in New “AREA” and/or “Line”

And click on “Create”

OPEN

9

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

10

Copy Processing Flows

OPEN

SELECT:

AREA & LINE

AND

“OPEN”

11

Selected Area / LineArea selected is now ready to be copied

12

Selecting Processing ModulesOPEN

&

“SELECT ALL”

13

Select Area / Line to send copied modules.

OPEN

&

“SELECT AREA & LINE”

&

“OK”

14

Module Librarian

15

OPEN

Processing Flow

Processing Flow

February 12, 200316

Processing Flow

SeisUP ®

GeoCenter, Inc.Reformat to GCI formatGeometry + EditNoise Analysis:

a) FK Filterb) Surfwave

Surface Consistent Gain CorrectionStatics:

a) Datumb) Refraction (GLI3D)

Surface Consistent DeconvolutionVelocity AnalysisStack Q.C.Automatic Statics Velocity AnalysisStack + Filter + ScaleMigrations

AVO Processing

Angle Gather QCAngle Stacks (3 to 24degree)AVO P-wave, Gradient, Poisson’s, & Fluid Factor StacksAVO Cross plots

FK Filtering Floating Datum vs Fixed DatumVIP + ISO Velocity

a) RMSb) Interval

Additional QC

SP Map View

17

Fold Distribution

18Fold Distribution Plot

Geometry QC

19

2-D Amplitude QC Surface diagram

QC Shot Stack

SHOT Stack

Offsets = 200-600 meters

Linear velocity = 3000 m/sec.

20

QC Receiver Stack

Receive Stack

Offsets = 200-600 meters

Linear velocity = 3000 m/sec.

21

Raw Record DisplayOriginal Raw

Record

22

Power Spectrum Analysis

23

Original Raw Record Power Spectrum

Of

Zone in red.

FK Filter Option

24

Opening the Inneractive FK-FILTER Analysis

Select F-K analysis

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

FK Filter Design Window

26

Mark specific zone of

ground roll

Press Analysis Button

Pattern of Ground roll

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

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

FK Filter Interactive - ZOOM

Zoom of zone with Fk-Filter

application 29

FK Filter Design Two Sided

30

Press Polygon Filter button

Repeat exercise as before to select negative side of

ground roll

FK Filter Design (Two Sided) Symmetrical Polygon filter

31

Select symmetrical

filter for ground roll.

FK Filter – ZOOM (negative side)

Zoom of selected zone

32

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)

FK Filter Polygon Filter – Pass Option

34

Change the filter function to “PASS”

And press OK.

FK Filter Interactive – Pass Option

35

Apply filter and toggle to see before

and after application.

Signal that is being removed from data.

FkFilter #2

Selecting another polygon filter

Using same criteria as demonstrated in previous slides

(fk-filter = fk2)

36

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

FK Filter # 2 Application

Reviewing polygon F-K filter (fk2).

Using same criteria as demonstrated in

previous

38

FK Filter # 2a Design

Revising fk2 polygon fk-filter

points

Using same criteria as demonstrated in previous slides

(fk-filter = fk2)

39

FK Filter # 2a Application

Reviewing polygon F-K filter (fk2).

Using same criteria as demonstrated in

previous

40

FK Filter # 2a Pass Filter

Change the filter function to “PASS”

And press OK.

41

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

FK Filter # 2a Pass Filter Deeper zone analysis

Change zone to area with no evident

ground roll and apply fk2 filter

43

FK Filter # 2a Pass Filter Deeper zone analysis interactive

44

Signal that is being removed from data.

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

FK Filter Parameter Selection

46

Selecting parameters for the FK-FILTER module

FK Filter # 2 Full Record Application

Record after application of FkFilter (fk2)

47

Fk Filter #2 with Power Spectrum

48

Record after application of FkFilter (fk2)

With power spectrum of zone in red.

FK Filter or SurfwaveData 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

Surfwave Parameter selection

50

Velocity = 911 m /per second

With dominant Frequency = 0-18 hz

Module : SURFWAVE

Surfwave Analysis

Record after application of SURFWAVE

51

Surfwave with Power Spectrum

Record after application of SURFWAVE

With power spectrum of zone in red.

52

Geometry – Raw Record (qc1)

53

Raw Record

Geometry – Edit(qc2)

54

Raw Record

Edit

SurfWave#1(qc3)

55

Surfwave #1

SurfWave+SGN+SGNE(qc4)

56

Surfwave #1

Surface Consistent Gain

SurfWave1+SGN+SGNE+SurfWave2(qc5)

57

Surfwave #1

Surface Consistent Gain

Surfwave #2

Datum Stack

58Datum Brute Stack

Refraction Stack

59Refraction Static Brute Stack

Gain Analysis

60

Surface Consistent Gain Analysis SGN1-2)

Surface Consistent Decon(qc6)

61

Surface Consistent Decon

ScDecon+Refraction Statics(qc7)

62

Surface Consistent Decon

Refraction Statics

ScDecon+Refraction Statics +AGC (qc7a)

63

Surface Consistent Decon

Refraction Statics AGC

ScDecon+Datum Statics (qc8)

64

Surface Consistent Decon

Datum Statics

ScDecon+Datum Statics+AGC (qc8a)

65

Surface Consistent Decon

Datum Statics AGC

Floating Elevation Smoother

Smoothing Radius = 500 m

Smoothing Radius = 1000 m

66

Fixed Datum = 1700 m

1700 m

Various Datum and Static Profiles

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

67

SCDN Floating to Fix Datum / 250 m

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

68

SCDN Floating to Fix Datum / 500 m

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

69

SCDN Floating to Fix Datum / 1000 m

ScDecon+Datum Statics+Stack

70

SCDN Fix Datum

ScDecon + Refraction Statics (HR Floating to fixed datum)

71

SCDN Refraction Static Floating to Fix Datum /

ScDecon + Refraction Statics (fixed datum)

72

SCDN Refraction Static Fix Datum

ScDecon+Refraction Statics +AutoStatics(MPAS) +Velocity Analysis

73

SCDN Refraction Static Fix Datum

Auto Statics (MPAS) Velocity Analysis

“RMS” ISO velocity plot

74“RMS” ISO Velocity Display

“INTERVAL” ISO velocity plot

75“Interval” ISO Velocity Display

ScDecon+Refraction Statics(Fix Datum) +AutoStatics(MPAS) + AGC (qc9)

76

SCDN Refraction Static Fix Datum Auto Statics (MPAS)

ScDecon+Refraction Statics +AutoStatics(MPAS) + NMO (without

Mute)+AGC (qc10)

77

SCDN Refraction+

MPAS+NMO Shot Record without mute

Mute Design

ScDecon+Refraction Statics +AutoStatics(MPAS) + NMO (with Mute)

+AGC (qc10a)

78

SCDN Refraction+

MPAS+NMO Shot Record with mute

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

79

SCDN Floating Datum MPAS Fix Datum

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

80

SCDN Floating Refraction MPAS Fix Datum

ScDecon+Refraction Statics +AutoStatics(MPAS) + Stack

81

SCDN Refraction MPAS Fix Datum

ScDecon+Refraction Statics +AutoStatics(MPAS)+Stack + FXDN

82

SCDN Refraction MPAS Fix Datum FXDN

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

Datum

83

SCDN Refraction MPAS Fix Datum

ScDecon+Refraction Statics +AutoStatics(MPAS)+Trim Statics +Stack

+ FXDN

84SCDN Refraction MPAS Trim

Statics Fix Datum FXDN

FK-Migration

85FK Migration

FX-Migration

86FX Migration

Prestack Kirchhoff Migration (KTMIG) Filter AGC

87Prestack Kirchhoff Migration (KTMIG)

KTMIG RAP Filter STACK

Prestack Kirchhoff Migration (KTMIG) RAP Stack 88

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

KTMIG Gain Filter Stack

Prestack Kirchhoff Migration (KTMIG) Gain Stack 90

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

91

Prestack Kirchhoff Migration (KTMIG) FXDN

KTMIG Gather’s

Prestack Kirchhoff Migration (KTMIG)

Gather’s 92

AVO Analysis ~ XAVA

AVO Analysis ~ XAVA

93

Xava Parameters – angle of incidence

94

Xava Parameters – angle limited CMP

95

Xava Parameters –incidence angle value

96

Display Parameters for Xava QC

DISPLAY Parameters

97

Color Display Parameters (1 degree)

1 degree angles

98

Display angles in color 1 degree increments1 degree angles

99

Color Display Parameters (2 degree)

2 degree angles

100

Display angles in color 2 degree increments2 degree angles

101

Color Display Parameters (6 degree)6 degree angles

102

Display angles in color 6 degree increments6 degree angles

103

Display angles in color 1-2-6 degrees

1 degree angles 2 degree angles 6 degree angles

104

AVOA Flow

AVOA

105

AVOA Parameters

AVOA Parameters

106

Avoa Header value = attributes

AVOA header values = attributes

107

AVOA ~ P-wave stack

108AVOA ~ P-wave Stack

AVOA ~ P-wave stack - Color

109

AVOA ~ P-wave Stack

(color)

AVOA ~ P-wave stack – Color ZOOM

110

AVOA ~ P-wave Stack

ZOOM

AVOA ~ S-wave Gradient stack

111

AVOA ~ S-wave Gradient Stack

AVOA ~ S-wave Gradient stack - Color

112

AVOA ~ S-wave Gradient Stack

(color)

AVOA ~ S-wave Gradient stack – Color ZOOM

113

AVOA ~ S-wave Gradient Stack

ZOOM

AVOA ~ Poisson’s Ratio Stack

114

AVOA ~ Poisson’s Ration Stack

AVOA ~ Poisson’s Ratio Stack - Color

115

AVOA ~ Poisson’s Ration Stack

(color)

AVOA ~ Poisson’s Ratio Stack – Color ZOOM

116

AVOA ~ Poisson’s Ration Stack

ZOOM

AVOA ~ Fluid Factor Stack –

117AVOA ~ Fluid Factor Stack

AVOA ~ Fluid Factor Stack – Color

118

AVOA ~ Fluid Factor Stack

(color)

AVOA ~ Fluid Factor Stack – Color ZOOM

119

AVOA ~ Fluid Factor Stack

ZOOM

AVOCROSS Flow

120

AVOCROSS Flow

Avocross Parameters

AVOCROSS Parameters

121

Avo cross view “cgm“ display

122

AVOCROS Select and View

AVOCROSS P-wave + Gradient Slope

123

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)

BACK UP AREA (ARCHIVE) TO TAPE

125

To Backup area for Archiving data flow:

Press “File”

Select “Backup area”

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

Archive data set to tape

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

127

Copyright DisclosureDisclosure

February 12, 2003128

GeoCenter, Inc.

SeisUP ®

Houston, TexasThis 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. ZepedaSpecial Projects / Customer Support

E-mail: wzepeda@geocenter.com