th Annual Meeting SEG, Denver 2004 A seismic reflection ... · Seismic imaging CRS stack...
Transcript of th Annual Meeting SEG, Denver 2004 A seismic reflection ... · Seismic imaging CRS stack...
![Page 1: th Annual Meeting SEG, Denver 2004 A seismic reflection ... · Seismic imaging CRS stack Applications Synthesis The project Project definition Data acquisition Data example CRS](https://reader033.fdocuments.in/reader033/viewer/2022050323/5f7c9692f282444a7b72f58b/html5/thumbnails/1.jpg)
74th Annual MeetingSEG, Denver 2004
Hertweck et al.
IntroductionSeismic imagingCRS stackApplicationsSynthesis
The projectProject definitionData acquisition
Data exampleCRS stackInversionPostSDMPreSDMCIGInterpretation
Comparison
Conclusions
Acknowledgments
W I T
A seismic reflection imaging workflow based on
the Common-Reflection-Surface (CRS) stack:
theoretical background and case study
T. Hertweck1 C. Jäger J. Mann*E. Duveneck2 Z. Heilmann
1now: Fugro-Robertson Ltd, Swanley, UK2now: SINTEF Petroleum Research, Trondheim, Norway
Wave Inversion Technology (WIT) ConsortiumGeophysical Institute, University of Karlsruhe (TH)
October 14, 2004
![Page 2: th Annual Meeting SEG, Denver 2004 A seismic reflection ... · Seismic imaging CRS stack Applications Synthesis The project Project definition Data acquisition Data example CRS](https://reader033.fdocuments.in/reader033/viewer/2022050323/5f7c9692f282444a7b72f58b/html5/thumbnails/2.jpg)
74th Annual MeetingSEG, Denver 2004
Hertweck et al.
IntroductionSeismic imagingCRS stackApplicationsSynthesis
The projectProject definitionData acquisition
Data exampleCRS stackInversionPostSDMPreSDMCIGInterpretation
Comparison
Conclusions
Acknowledgments
W I T
Overview
Introduction
The project
Data example
Comparison
Conclusions
Acknowledgments
![Page 3: th Annual Meeting SEG, Denver 2004 A seismic reflection ... · Seismic imaging CRS stack Applications Synthesis The project Project definition Data acquisition Data example CRS](https://reader033.fdocuments.in/reader033/viewer/2022050323/5f7c9692f282444a7b72f58b/html5/thumbnails/3.jpg)
74th Annual MeetingSEG, Denver 2004
Hertweck et al.
IntroductionSeismic imagingCRS stackApplicationsSynthesis
The projectProject definitionData acquisition
Data exampleCRS stackInversionPostSDMPreSDMCIGInterpretation
Comparison
Conclusions
Acknowledgments
W I T
Seismic imaging
Conventional Processing
e.g. NMO/DMO etc.
Structural Imaging & Further Analysis
Dep
thTi
me Data−driven Processing
e.g. ZO CRS stack
Prestack/Poststack time migration
Velocity updating
Kinematic wavefield
(CRS) attributes
Prestack depth
migration
Poststack depth
migration
Acquisition & Preprocessing
Estimation of macro model
yellow = tools developed at Karlsruhe University
![Page 4: th Annual Meeting SEG, Denver 2004 A seismic reflection ... · Seismic imaging CRS stack Applications Synthesis The project Project definition Data acquisition Data example CRS](https://reader033.fdocuments.in/reader033/viewer/2022050323/5f7c9692f282444a7b72f58b/html5/thumbnails/4.jpg)
74th Annual MeetingSEG, Denver 2004
Hertweck et al.
IntroductionSeismic imagingCRS stackApplicationsSynthesis
The projectProject definitionData acquisition
Data exampleCRS stackInversionPostSDMPreSDMCIGInterpretation
Comparison
Conclusions
Acknowledgments
W I T
Seismic imaging
Conventional Processing
e.g. NMO/DMO etc.
Poststack depth
migration
Velocity updating
Kinematic wavefield
(CRS) attributes
Structural Imaging & Further Analysis
Dep
thTi
me Data−driven Processing
e.g. ZO CRS stack
Prestack depth
migration
Prestack/Poststack time migration
Acquisition & Preprocessing
Estimation of macro model
yellow = tools developed at Karlsruhe University
![Page 5: th Annual Meeting SEG, Denver 2004 A seismic reflection ... · Seismic imaging CRS stack Applications Synthesis The project Project definition Data acquisition Data example CRS](https://reader033.fdocuments.in/reader033/viewer/2022050323/5f7c9692f282444a7b72f58b/html5/thumbnails/5.jpg)
74th Annual MeetingSEG, Denver 2004
Hertweck et al.
IntroductionSeismic imagingCRS stackApplicationsSynthesis
The projectProject definitionData acquisition
Data exampleCRS stackInversionPostSDMPreSDMCIGInterpretation
Comparison
Conclusions
Acknowledgments
W I T
Common-Reflection-Surface stack
I Alternative to standard NMO/DMO/stack approach
I Output: zero-offset section (2D) or volume (3D) ofhigh S/N ratio
I Additional output: variety of kinematic wavefieldattributes (so-called CRS attributes)
I Principle: generalized, high-density, multiparameter,multidimensional stacking velocity analysis tool
I Automated coherence-based application
![Page 6: th Annual Meeting SEG, Denver 2004 A seismic reflection ... · Seismic imaging CRS stack Applications Synthesis The project Project definition Data acquisition Data example CRS](https://reader033.fdocuments.in/reader033/viewer/2022050323/5f7c9692f282444a7b72f58b/html5/thumbnails/6.jpg)
74th Annual MeetingSEG, Denver 2004
Hertweck et al.
IntroductionSeismic imagingCRS stackApplicationsSynthesis
The projectProject definitionData acquisition
Data exampleCRS stackInversionPostSDMPreSDMCIGInterpretation
Comparison
Conclusions
Acknowledgments
W I T
Common-Reflection-Surface stack
I Alternative to standard NMO/DMO/stack approach
I Output: zero-offset section (2D) or volume (3D) ofhigh S/N ratio
I Additional output: variety of kinematic wavefieldattributes (so-called CRS attributes)
I Principle: generalized, high-density, multiparameter,multidimensional stacking velocity analysis tool
I Automated coherence-based application
![Page 7: th Annual Meeting SEG, Denver 2004 A seismic reflection ... · Seismic imaging CRS stack Applications Synthesis The project Project definition Data acquisition Data example CRS](https://reader033.fdocuments.in/reader033/viewer/2022050323/5f7c9692f282444a7b72f58b/html5/thumbnails/7.jpg)
74th Annual MeetingSEG, Denver 2004
Hertweck et al.
IntroductionSeismic imagingCRS stackApplicationsSynthesis
The projectProject definitionData acquisition
Data exampleCRS stackInversionPostSDMPreSDMCIGInterpretation
Comparison
Conclusions
Acknowledgments
W I T
Common-Reflection-Surface stack
I Alternative to standard NMO/DMO/stack approach
I Output: zero-offset section (2D) or volume (3D) ofhigh S/N ratio
(from Müller, "The Common Reflection Surface Stack Method", 1999)
I Additional output: variety of kinematic wavefieldattributes (so-called CRS attributes)
I Principle: generalized, high-density, multiparameter,multidimensional stacking velocity analysis tool
I Automated coherence-based application
![Page 8: th Annual Meeting SEG, Denver 2004 A seismic reflection ... · Seismic imaging CRS stack Applications Synthesis The project Project definition Data acquisition Data example CRS](https://reader033.fdocuments.in/reader033/viewer/2022050323/5f7c9692f282444a7b72f58b/html5/thumbnails/8.jpg)
74th Annual MeetingSEG, Denver 2004
Hertweck et al.
IntroductionSeismic imagingCRS stackApplicationsSynthesis
The projectProject definitionData acquisition
Data exampleCRS stackInversionPostSDMPreSDMCIGInterpretation
Comparison
Conclusions
Acknowledgments
W I T
Common-Reflection-Surface stack
I Alternative to standard NMO/DMO/stack approach
I Output: zero-offset section (2D) or volume (3D) ofhigh S/N ratio
I Additional output: variety of kinematic wavefieldattributes (so-called CRS attributes)
I Principle: generalized, high-density, multiparameter,multidimensional stacking velocity analysis tool
I Automated coherence-based application
![Page 9: th Annual Meeting SEG, Denver 2004 A seismic reflection ... · Seismic imaging CRS stack Applications Synthesis The project Project definition Data acquisition Data example CRS](https://reader033.fdocuments.in/reader033/viewer/2022050323/5f7c9692f282444a7b72f58b/html5/thumbnails/9.jpg)
74th Annual MeetingSEG, Denver 2004
Hertweck et al.
IntroductionSeismic imagingCRS stackApplicationsSynthesis
The projectProject definitionData acquisition
Data exampleCRS stackInversionPostSDMPreSDMCIGInterpretation
Comparison
Conclusions
Acknowledgments
W I T
Common-Reflection-Surface stack
I Alternative to standard NMO/DMO/stack approach
I Output: zero-offset section (2D) or volume (3D) ofhigh S/N ratio
I Additional output: variety of kinematic wavefieldattributes (so-called CRS attributes)
I Principle: generalized, high-density, multiparameter,multidimensional stacking velocity analysis tool
I Automated coherence-based application
![Page 10: th Annual Meeting SEG, Denver 2004 A seismic reflection ... · Seismic imaging CRS stack Applications Synthesis The project Project definition Data acquisition Data example CRS](https://reader033.fdocuments.in/reader033/viewer/2022050323/5f7c9692f282444a7b72f58b/html5/thumbnails/10.jpg)
74th Annual MeetingSEG, Denver 2004
Hertweck et al.
IntroductionSeismic imagingCRS stackApplicationsSynthesis
The projectProject definitionData acquisition
Data exampleCRS stackInversionPostSDMPreSDMCIGInterpretation
Comparison
Conclusions
Acknowledgments
W I T
Common-Reflection-Surface stack
I Alternative to standard NMO/DMO/stack approach
I Output: zero-offset section (2D) or volume (3D) ofhigh S/N ratio
I Additional output: variety of kinematic wavefieldattributes (so-called CRS attributes)
I Principle: generalized, high-density, multiparameter,multidimensional stacking velocity analysis tool
I Automated coherence-based application
![Page 11: th Annual Meeting SEG, Denver 2004 A seismic reflection ... · Seismic imaging CRS stack Applications Synthesis The project Project definition Data acquisition Data example CRS](https://reader033.fdocuments.in/reader033/viewer/2022050323/5f7c9692f282444a7b72f58b/html5/thumbnails/11.jpg)
74th Annual MeetingSEG, Denver 2004
Hertweck et al.
IntroductionSeismic imagingCRS stackApplicationsSynthesis
The projectProject definitionData acquisition
Data exampleCRS stackInversionPostSDMPreSDMCIGInterpretation
Comparison
Conclusions
Acknowledgments
W I T
Basic concepts
I second-order approximation of reflection events
I spatial stacking operator
I limited number of stacking parameters:first and second spatial derivatives of traveltime
I geometrical interpretation:propagation direction and curvatures of hypotheticalwavefronts
![Page 12: th Annual Meeting SEG, Denver 2004 A seismic reflection ... · Seismic imaging CRS stack Applications Synthesis The project Project definition Data acquisition Data example CRS](https://reader033.fdocuments.in/reader033/viewer/2022050323/5f7c9692f282444a7b72f58b/html5/thumbnails/12.jpg)
74th Annual MeetingSEG, Denver 2004
Hertweck et al.
IntroductionSeismic imagingCRS stackApplicationsSynthesis
The projectProject definitionData acquisition
Data exampleCRS stackInversionPostSDMPreSDMCIGInterpretation
Comparison
Conclusions
Acknowledgments
W I T
Basic concepts
I second-order approximation of reflection events
I spatial stacking operator
I limited number of stacking parameters:first and second spatial derivatives of traveltime
I geometrical interpretation:propagation direction and curvatures of hypotheticalwavefronts
![Page 13: th Annual Meeting SEG, Denver 2004 A seismic reflection ... · Seismic imaging CRS stack Applications Synthesis The project Project definition Data acquisition Data example CRS](https://reader033.fdocuments.in/reader033/viewer/2022050323/5f7c9692f282444a7b72f58b/html5/thumbnails/13.jpg)
74th Annual MeetingSEG, Denver 2004
Hertweck et al.
IntroductionSeismic imagingCRS stackApplicationsSynthesis
The projectProject definitionData acquisition
Data exampleCRS stackInversionPostSDMPreSDMCIGInterpretation
Comparison
Conclusions
Acknowledgments
W I T
Basic concepts
I second-order approximation of reflection events
I spatial stacking operator
I limited number of stacking parameters:first and second spatial derivatives of traveltime
I geometrical interpretation:propagation direction and curvatures of hypotheticalwavefronts
![Page 14: th Annual Meeting SEG, Denver 2004 A seismic reflection ... · Seismic imaging CRS stack Applications Synthesis The project Project definition Data acquisition Data example CRS](https://reader033.fdocuments.in/reader033/viewer/2022050323/5f7c9692f282444a7b72f58b/html5/thumbnails/14.jpg)
74th Annual MeetingSEG, Denver 2004
Hertweck et al.
IntroductionSeismic imagingCRS stackApplicationsSynthesis
The projectProject definitionData acquisition
Data exampleCRS stackInversionPostSDMPreSDMCIGInterpretation
Comparison
Conclusions
Acknowledgments
W I T
Basic concepts
I second-order approximation of reflection events
I spatial stacking operator
I limited number of stacking parameters:first and second spatial derivatives of traveltime
I geometrical interpretation:propagation direction and curvatures of hypotheticalwavefronts
–1
0
1 2 3
S G
RN x0RNIP
0
1
α
Dep
th [k
m]
Distance [km]
v
v
![Page 15: th Annual Meeting SEG, Denver 2004 A seismic reflection ... · Seismic imaging CRS stack Applications Synthesis The project Project definition Data acquisition Data example CRS](https://reader033.fdocuments.in/reader033/viewer/2022050323/5f7c9692f282444a7b72f58b/html5/thumbnails/15.jpg)
74th Annual MeetingSEG, Denver 2004
Hertweck et al.
IntroductionSeismic imagingCRS stackApplicationsSynthesis
The projectProject definitionData acquisition
Data exampleCRS stackInversionPostSDMPreSDMCIGInterpretation
Comparison
Conclusions
Acknowledgments
W I T
Applications of CRS attributes
I Automated, approximate, data-driven time migration
I Approximation of geometrical spreading factor
I Approximation of projected Fresnel zone➥ Optimization of limited-aperture (true-amplitude)
Kirchhoff depth migration
I Most important: attribute-based tomographicvelocity model determination (inversion)➥ Output: smooth macrovelocity model for depth
imaging
![Page 16: th Annual Meeting SEG, Denver 2004 A seismic reflection ... · Seismic imaging CRS stack Applications Synthesis The project Project definition Data acquisition Data example CRS](https://reader033.fdocuments.in/reader033/viewer/2022050323/5f7c9692f282444a7b72f58b/html5/thumbnails/16.jpg)
74th Annual MeetingSEG, Denver 2004
Hertweck et al.
IntroductionSeismic imagingCRS stackApplicationsSynthesis
The projectProject definitionData acquisition
Data exampleCRS stackInversionPostSDMPreSDMCIGInterpretation
Comparison
Conclusions
Acknowledgments
W I T
Applications of CRS attributes
I Automated, approximate, data-driven time migration
I Approximation of geometrical spreading factor
I Approximation of projected Fresnel zone➥ Optimization of limited-aperture (true-amplitude)
Kirchhoff depth migration
I Most important: attribute-based tomographicvelocity model determination (inversion)➥ Output: smooth macrovelocity model for depth
imaging
![Page 17: th Annual Meeting SEG, Denver 2004 A seismic reflection ... · Seismic imaging CRS stack Applications Synthesis The project Project definition Data acquisition Data example CRS](https://reader033.fdocuments.in/reader033/viewer/2022050323/5f7c9692f282444a7b72f58b/html5/thumbnails/17.jpg)
74th Annual MeetingSEG, Denver 2004
Hertweck et al.
IntroductionSeismic imagingCRS stackApplicationsSynthesis
The projectProject definitionData acquisition
Data exampleCRS stackInversionPostSDMPreSDMCIGInterpretation
Comparison
Conclusions
Acknowledgments
W I T
Applications of CRS attributes
I Automated, approximate, data-driven time migration
I Approximation of geometrical spreading factor
I Approximation of projected Fresnel zone➥ Optimization of limited-aperture (true-amplitude)
Kirchhoff depth migration
I Most important: attribute-based tomographicvelocity model determination (inversion)➥ Output: smooth macrovelocity model for depth
imaging
![Page 18: th Annual Meeting SEG, Denver 2004 A seismic reflection ... · Seismic imaging CRS stack Applications Synthesis The project Project definition Data acquisition Data example CRS](https://reader033.fdocuments.in/reader033/viewer/2022050323/5f7c9692f282444a7b72f58b/html5/thumbnails/18.jpg)
74th Annual MeetingSEG, Denver 2004
Hertweck et al.
IntroductionSeismic imagingCRS stackApplicationsSynthesis
The projectProject definitionData acquisition
Data exampleCRS stackInversionPostSDMPreSDMCIGInterpretation
Comparison
Conclusions
Acknowledgments
W I T
Applications of CRS attributes
I Automated, approximate, data-driven time migration
I Approximation of geometrical spreading factor
I Approximation of projected Fresnel zone➥ Optimization of limited-aperture (true-amplitude)
Kirchhoff depth migration
I Most important: attribute-based tomographicvelocity model determination (inversion)➥ Output: smooth macrovelocity model for depth
imaging
![Page 19: th Annual Meeting SEG, Denver 2004 A seismic reflection ... · Seismic imaging CRS stack Applications Synthesis The project Project definition Data acquisition Data example CRS](https://reader033.fdocuments.in/reader033/viewer/2022050323/5f7c9692f282444a7b72f58b/html5/thumbnails/19.jpg)
74th Annual MeetingSEG, Denver 2004
Hertweck et al.
IntroductionSeismic imagingCRS stackApplicationsSynthesis
The projectProject definitionData acquisition
Data exampleCRS stackInversionPostSDMPreSDMCIGInterpretation
Comparison
Conclusions
Acknowledgments
W I T
Applications of CRS attributes
I Automated, approximate, data-driven time migration
I Approximation of geometrical spreading factor
I Approximation of projected Fresnel zone➥ Optimization of limited-aperture (true-amplitude)
Kirchhoff depth migration
I Most important: attribute-based tomographicvelocity model determination (inversion)➥ Output: smooth macrovelocity model for depth
imaging
![Page 20: th Annual Meeting SEG, Denver 2004 A seismic reflection ... · Seismic imaging CRS stack Applications Synthesis The project Project definition Data acquisition Data example CRS](https://reader033.fdocuments.in/reader033/viewer/2022050323/5f7c9692f282444a7b72f58b/html5/thumbnails/20.jpg)
74th Annual MeetingSEG, Denver 2004
Hertweck et al.
IntroductionSeismic imagingCRS stackApplicationsSynthesis
The projectProject definitionData acquisition
Data exampleCRS stackInversionPostSDMPreSDMCIGInterpretation
Comparison
Conclusions
Acknowledgments
W I T
Applications of CRS attributes
I Automated, approximate, data-driven time migration
I Approximation of geometrical spreading factor
I Approximation of projected Fresnel zone➥ Optimization of limited-aperture (true-amplitude)
Kirchhoff depth migration
I Most important: attribute-based tomographicvelocity model determination (inversion)➥ Output: smooth macrovelocity model for depth
imaging
![Page 21: th Annual Meeting SEG, Denver 2004 A seismic reflection ... · Seismic imaging CRS stack Applications Synthesis The project Project definition Data acquisition Data example CRS](https://reader033.fdocuments.in/reader033/viewer/2022050323/5f7c9692f282444a7b72f58b/html5/thumbnails/21.jpg)
74th Annual MeetingSEG, Denver 2004
Hertweck et al.
IntroductionSeismic imagingCRS stackApplicationsSynthesis
The projectProject definitionData acquisition
Data exampleCRS stackInversionPostSDMPreSDMCIGInterpretation
Comparison
Conclusions
Acknowledgments
W I T
Synthesis of our imaging tools
CRS stack ✔
+ Attribute-based tomography ✔
+ (True-amplitude) Kirchhoff depth migration ✔
= CRS-stack-based imaging workflow ✔
I Consistent imaging workflow from prestack timedomain to depth domain
I Flexible, largely automated strategies
I Various useful auxiliary results
![Page 22: th Annual Meeting SEG, Denver 2004 A seismic reflection ... · Seismic imaging CRS stack Applications Synthesis The project Project definition Data acquisition Data example CRS](https://reader033.fdocuments.in/reader033/viewer/2022050323/5f7c9692f282444a7b72f58b/html5/thumbnails/22.jpg)
74th Annual MeetingSEG, Denver 2004
Hertweck et al.
IntroductionSeismic imagingCRS stackApplicationsSynthesis
The projectProject definitionData acquisition
Data exampleCRS stackInversionPostSDMPreSDMCIGInterpretation
Comparison
Conclusions
Acknowledgments
W I T
Synthesis of our imaging tools
CRS stack ✔
+ Attribute-based tomography ✔
+ (True-amplitude) Kirchhoff depth migration ✔
= CRS-stack-based imaging workflow ✔
I Consistent imaging workflow from prestack timedomain to depth domain
I Flexible, largely automated strategies
I Various useful auxiliary results
![Page 23: th Annual Meeting SEG, Denver 2004 A seismic reflection ... · Seismic imaging CRS stack Applications Synthesis The project Project definition Data acquisition Data example CRS](https://reader033.fdocuments.in/reader033/viewer/2022050323/5f7c9692f282444a7b72f58b/html5/thumbnails/23.jpg)
74th Annual MeetingSEG, Denver 2004
Hertweck et al.
IntroductionSeismic imagingCRS stackApplicationsSynthesis
The projectProject definitionData acquisition
Data exampleCRS stackInversionPostSDMPreSDMCIGInterpretation
Comparison
Conclusions
Acknowledgments
W I T
Synthesis of our imaging tools
CRS stack ✔
+ Attribute-based tomography ✔
+ (True-amplitude) Kirchhoff depth migration ✔
= CRS-stack-based imaging workflow ✔
I Consistent imaging workflow from prestack timedomain to depth domain
I Flexible, largely automated strategies
I Various useful auxiliary results
![Page 24: th Annual Meeting SEG, Denver 2004 A seismic reflection ... · Seismic imaging CRS stack Applications Synthesis The project Project definition Data acquisition Data example CRS](https://reader033.fdocuments.in/reader033/viewer/2022050323/5f7c9692f282444a7b72f58b/html5/thumbnails/24.jpg)
74th Annual MeetingSEG, Denver 2004
Hertweck et al.
IntroductionSeismic imagingCRS stackApplicationsSynthesis
The projectProject definitionData acquisition
Data exampleCRS stackInversionPostSDMPreSDMCIGInterpretation
Comparison
Conclusions
Acknowledgments
W I T
Synthesis of our imaging tools
CRS stack ✔
+ Attribute-based tomography ✔
+ (True-amplitude) Kirchhoff depth migration ✔
= CRS-stack-based imaging workflow ✔
I Consistent imaging workflow from prestack timedomain to depth domain
I Flexible, largely automated strategies
I Various useful auxiliary results
![Page 25: th Annual Meeting SEG, Denver 2004 A seismic reflection ... · Seismic imaging CRS stack Applications Synthesis The project Project definition Data acquisition Data example CRS](https://reader033.fdocuments.in/reader033/viewer/2022050323/5f7c9692f282444a7b72f58b/html5/thumbnails/25.jpg)
74th Annual MeetingSEG, Denver 2004
Hertweck et al.
IntroductionSeismic imagingCRS stackApplicationsSynthesis
The projectProject definitionData acquisition
Data exampleCRS stackInversionPostSDMPreSDMCIGInterpretation
Comparison
Conclusions
Acknowledgments
W I T
Synthesis of our imaging tools
CRS stack ✔
+ Attribute-based tomography ✔
+ (True-amplitude) Kirchhoff depth migration ✔
= CRS-stack-based imaging workflow ✔
I Consistent imaging workflow from prestack timedomain to depth domain
I Flexible, largely automated strategies
I Various useful auxiliary results
![Page 26: th Annual Meeting SEG, Denver 2004 A seismic reflection ... · Seismic imaging CRS stack Applications Synthesis The project Project definition Data acquisition Data example CRS](https://reader033.fdocuments.in/reader033/viewer/2022050323/5f7c9692f282444a7b72f58b/html5/thumbnails/26.jpg)
74th Annual MeetingSEG, Denver 2004
Hertweck et al.
IntroductionSeismic imagingCRS stackApplicationsSynthesis
The projectProject definitionData acquisition
Data exampleCRS stackInversionPostSDMPreSDMCIGInterpretation
Comparison
Conclusions
Acknowledgments
W I T
Synthesis of our imaging tools
CRS stack ✔
+ Attribute-based tomography ✔
+ (True-amplitude) Kirchhoff depth migration ✔
= CRS-stack-based imaging workflow ✔
I Consistent imaging workflow from prestack timedomain to depth domain
I Flexible, largely automated strategies
I Various useful auxiliary results
![Page 27: th Annual Meeting SEG, Denver 2004 A seismic reflection ... · Seismic imaging CRS stack Applications Synthesis The project Project definition Data acquisition Data example CRS](https://reader033.fdocuments.in/reader033/viewer/2022050323/5f7c9692f282444a7b72f58b/html5/thumbnails/27.jpg)
74th Annual MeetingSEG, Denver 2004
Hertweck et al.
IntroductionSeismic imagingCRS stackApplicationsSynthesis
The projectProject definitionData acquisition
Data exampleCRS stackInversionPostSDMPreSDMCIGInterpretation
Comparison
Conclusions
Acknowledgments
W I T
Synthesis of our imaging tools
CRS stack ✔
+ Attribute-based tomography ✔
+ (True-amplitude) Kirchhoff depth migration ✔
= CRS-stack-based imaging workflow ✔
I Consistent imaging workflow from prestack timedomain to depth domain
I Flexible, largely automated strategies
I Various useful auxiliary results
![Page 28: th Annual Meeting SEG, Denver 2004 A seismic reflection ... · Seismic imaging CRS stack Applications Synthesis The project Project definition Data acquisition Data example CRS](https://reader033.fdocuments.in/reader033/viewer/2022050323/5f7c9692f282444a7b72f58b/html5/thumbnails/28.jpg)
74th Annual MeetingSEG, Denver 2004
Hertweck et al.
IntroductionSeismic imagingCRS stackApplicationsSynthesis
The projectProject definitionData acquisition
Data exampleCRS stackInversionPostSDMPreSDMCIGInterpretation
Comparison
Conclusions
Acknowledgments
W I T
Synthesis of our imaging tools
CRS stack ✔
+ Attribute-based tomography ✔
+ (True-amplitude) Kirchhoff depth migration ✔
= CRS-stack-based imaging workflow ✔
I Consistent imaging workflow from prestack timedomain to depth domain
I Flexible, largely automated strategies
I Various useful auxiliary results
![Page 29: th Annual Meeting SEG, Denver 2004 A seismic reflection ... · Seismic imaging CRS stack Applications Synthesis The project Project definition Data acquisition Data example CRS](https://reader033.fdocuments.in/reader033/viewer/2022050323/5f7c9692f282444a7b72f58b/html5/thumbnails/29.jpg)
74th Annual MeetingSEG, Denver 2004
Hertweck et al.
IntroductionSeismic imagingCRS stackApplicationsSynthesis
The projectProject definitionData acquisition
Data exampleCRS stackInversionPostSDMPreSDMCIGInterpretation
Comparison
Conclusions
Acknowledgments
W I T
Project definition
I Geothermal project: power station plannedI Seismic survey performed to
I image fractures and faults ☞ water flowI determine precise depth of target horizonI find best possible drilling location
I Subsurface structure in target region:I mainly horizontal layering, slightly dippingI many faults and fracturesI strong velocity contrast above target area
![Page 30: th Annual Meeting SEG, Denver 2004 A seismic reflection ... · Seismic imaging CRS stack Applications Synthesis The project Project definition Data acquisition Data example CRS](https://reader033.fdocuments.in/reader033/viewer/2022050323/5f7c9692f282444a7b72f58b/html5/thumbnails/30.jpg)
74th Annual MeetingSEG, Denver 2004
Hertweck et al.
IntroductionSeismic imagingCRS stackApplicationsSynthesis
The projectProject definitionData acquisition
Data exampleCRS stackInversionPostSDMPreSDMCIGInterpretation
Comparison
Conclusions
Acknowledgments
W I T
Project definition
I Geothermal project: power station plannedI Seismic survey performed to
I image fractures and faults ☞ water flowI determine precise depth of target horizonI find best possible drilling location
I Subsurface structure in target region:I mainly horizontal layering, slightly dippingI many faults and fracturesI strong velocity contrast above target area
![Page 31: th Annual Meeting SEG, Denver 2004 A seismic reflection ... · Seismic imaging CRS stack Applications Synthesis The project Project definition Data acquisition Data example CRS](https://reader033.fdocuments.in/reader033/viewer/2022050323/5f7c9692f282444a7b72f58b/html5/thumbnails/31.jpg)
74th Annual MeetingSEG, Denver 2004
Hertweck et al.
IntroductionSeismic imagingCRS stackApplicationsSynthesis
The projectProject definitionData acquisition
Data exampleCRS stackInversionPostSDMPreSDMCIGInterpretation
Comparison
Conclusions
Acknowledgments
W I T
Project definition
I Geothermal project: power station plannedI Seismic survey performed to
I image fractures and faults ☞ water flowI determine precise depth of target horizonI find best possible drilling location
I Subsurface structure in target region:I mainly horizontal layering, slightly dippingI many faults and fracturesI strong velocity contrast above target area
![Page 32: th Annual Meeting SEG, Denver 2004 A seismic reflection ... · Seismic imaging CRS stack Applications Synthesis The project Project definition Data acquisition Data example CRS](https://reader033.fdocuments.in/reader033/viewer/2022050323/5f7c9692f282444a7b72f58b/html5/thumbnails/32.jpg)
74th Annual MeetingSEG, Denver 2004
Hertweck et al.
IntroductionSeismic imagingCRS stackApplicationsSynthesis
The projectProject definitionData acquisition
Data exampleCRS stackInversionPostSDMPreSDMCIGInterpretation
Comparison
Conclusions
Acknowledgments
W I T
Project definition
I Geothermal project: power station plannedI Seismic survey performed to
I image fractures and faults ☞ water flowI determine precise depth of target horizonI find best possible drilling location
I Subsurface structure in target region:I mainly horizontal layering, slightly dippingI many faults and fracturesI strong velocity contrast above target area
![Page 33: th Annual Meeting SEG, Denver 2004 A seismic reflection ... · Seismic imaging CRS stack Applications Synthesis The project Project definition Data acquisition Data example CRS](https://reader033.fdocuments.in/reader033/viewer/2022050323/5f7c9692f282444a7b72f58b/html5/thumbnails/33.jpg)
74th Annual MeetingSEG, Denver 2004
Hertweck et al.
IntroductionSeismic imagingCRS stackApplicationsSynthesis
The projectProject definitionData acquisition
Data exampleCRS stackInversionPostSDMPreSDMCIGInterpretation
Comparison
Conclusions
Acknowledgments
W I T
Project definition
I Geothermal project: power station plannedI Seismic survey performed to
I image fractures and faults ☞ water flowI determine precise depth of target horizonI find best possible drilling location
I Subsurface structure in target region:I mainly horizontal layering, slightly dippingI many faults and fracturesI strong velocity contrast above target area
![Page 34: th Annual Meeting SEG, Denver 2004 A seismic reflection ... · Seismic imaging CRS stack Applications Synthesis The project Project definition Data acquisition Data example CRS](https://reader033.fdocuments.in/reader033/viewer/2022050323/5f7c9692f282444a7b72f58b/html5/thumbnails/34.jpg)
74th Annual MeetingSEG, Denver 2004
Hertweck et al.
IntroductionSeismic imagingCRS stackApplicationsSynthesis
The projectProject definitionData acquisition
Data exampleCRS stackInversionPostSDMPreSDMCIGInterpretation
Comparison
Conclusions
Acknowledgments
W I T
Project definition
I Geothermal project: power station plannedI Seismic survey performed to
I image fractures and faults ☞ water flowI determine precise depth of target horizonI find best possible drilling location
I Subsurface structure in target region:I mainly horizontal layering, slightly dippingI many faults and fracturesI strong velocity contrast above target area
![Page 35: th Annual Meeting SEG, Denver 2004 A seismic reflection ... · Seismic imaging CRS stack Applications Synthesis The project Project definition Data acquisition Data example CRS](https://reader033.fdocuments.in/reader033/viewer/2022050323/5f7c9692f282444a7b72f58b/html5/thumbnails/35.jpg)
74th Annual MeetingSEG, Denver 2004
Hertweck et al.
IntroductionSeismic imagingCRS stackApplicationsSynthesis
The projectProject definitionData acquisition
Data exampleCRS stackInversionPostSDMPreSDMCIGInterpretation
Comparison
Conclusions
Acknowledgments
W I T
Data acquisition
I 2 parallel seismic lines, 12 km length each
I Source: 3 vibrators, linear upsweep 12-100 Hz,source separation ∆s=50 m
I Receivers: ≈ 240 groups (12 geophones each),receiver group separation ∆r=50 m
I Recording time after deconvolution: 4 s;sampling interval: 2 ms
![Page 36: th Annual Meeting SEG, Denver 2004 A seismic reflection ... · Seismic imaging CRS stack Applications Synthesis The project Project definition Data acquisition Data example CRS](https://reader033.fdocuments.in/reader033/viewer/2022050323/5f7c9692f282444a7b72f58b/html5/thumbnails/36.jpg)
74th Annual MeetingSEG, Denver 2004
Hertweck et al.
IntroductionSeismic imagingCRS stackApplicationsSynthesis
The projectProject definitionData acquisition
Data exampleCRS stackInversionPostSDMPreSDMCIGInterpretation
Comparison
Conclusions
Acknowledgments
W I T
Data acquisition
I 2 parallel seismic lines, 12 km length each
I Source: 3 vibrators, linear upsweep 12-100 Hz,source separation ∆s=50 m
I Receivers: ≈ 240 groups (12 geophones each),receiver group separation ∆r=50 m
I Recording time after deconvolution: 4 s;sampling interval: 2 ms
![Page 37: th Annual Meeting SEG, Denver 2004 A seismic reflection ... · Seismic imaging CRS stack Applications Synthesis The project Project definition Data acquisition Data example CRS](https://reader033.fdocuments.in/reader033/viewer/2022050323/5f7c9692f282444a7b72f58b/html5/thumbnails/37.jpg)
74th Annual MeetingSEG, Denver 2004
Hertweck et al.
IntroductionSeismic imagingCRS stackApplicationsSynthesis
The projectProject definitionData acquisition
Data exampleCRS stackInversionPostSDMPreSDMCIGInterpretation
Comparison
Conclusions
Acknowledgments
W I T
Data acquisition
I 2 parallel seismic lines, 12 km length each
I Source: 3 vibrators, linear upsweep 12-100 Hz,source separation ∆s=50 m
I Receivers: ≈ 240 groups (12 geophones each),receiver group separation ∆r=50 m
I Recording time after deconvolution: 4 s;sampling interval: 2 ms
![Page 38: th Annual Meeting SEG, Denver 2004 A seismic reflection ... · Seismic imaging CRS stack Applications Synthesis The project Project definition Data acquisition Data example CRS](https://reader033.fdocuments.in/reader033/viewer/2022050323/5f7c9692f282444a7b72f58b/html5/thumbnails/38.jpg)
74th Annual MeetingSEG, Denver 2004
Hertweck et al.
IntroductionSeismic imagingCRS stackApplicationsSynthesis
The projectProject definitionData acquisition
Data exampleCRS stackInversionPostSDMPreSDMCIGInterpretation
Comparison
Conclusions
Acknowledgments
W I T
Data acquisition
I 2 parallel seismic lines, 12 km length each
I Source: 3 vibrators, linear upsweep 12-100 Hz,source separation ∆s=50 m
I Receivers: ≈ 240 groups (12 geophones each),receiver group separation ∆r=50 m
I Recording time after deconvolution: 4 s;sampling interval: 2 ms
![Page 39: th Annual Meeting SEG, Denver 2004 A seismic reflection ... · Seismic imaging CRS stack Applications Synthesis The project Project definition Data acquisition Data example CRS](https://reader033.fdocuments.in/reader033/viewer/2022050323/5f7c9692f282444a7b72f58b/html5/thumbnails/39.jpg)
74th Annual MeetingSEG, Denver 2004
Hertweck et al.
IntroductionSeismic imagingCRS stackApplicationsSynthesis
The projectProject definitionData acquisition
Data exampleCRS stackInversionPostSDMPreSDMCIGInterpretation
Comparison
Conclusions
Acknowledgments
W I T
CRS stack: simulated ZO section
0
0.5
1.0
1.5
2.0
2.5
3.0
Tim
e [s
]
450 500 550 600 650 700 750 800CMP no.
horizontal extent ≈ 12 km
![Page 40: th Annual Meeting SEG, Denver 2004 A seismic reflection ... · Seismic imaging CRS stack Applications Synthesis The project Project definition Data acquisition Data example CRS](https://reader033.fdocuments.in/reader033/viewer/2022050323/5f7c9692f282444a7b72f58b/html5/thumbnails/40.jpg)
74th Annual MeetingSEG, Denver 2004
Hertweck et al.
IntroductionSeismic imagingCRS stackApplicationsSynthesis
The projectProject definitionData acquisition
Data exampleCRS stackInversionPostSDMPreSDMCIGInterpretation
Comparison
Conclusions
Acknowledgments
W I T
Tomographic inversion: velocity model
0
1000
2000
3000
Dep
th [m
]
400 450 500 550 600 650 700 750 800CMP no.
2000
3000
4000
velo
city
[m/s
]
horizontal extent ≈ 12 km
![Page 41: th Annual Meeting SEG, Denver 2004 A seismic reflection ... · Seismic imaging CRS stack Applications Synthesis The project Project definition Data acquisition Data example CRS](https://reader033.fdocuments.in/reader033/viewer/2022050323/5f7c9692f282444a7b72f58b/html5/thumbnails/41.jpg)
74th Annual MeetingSEG, Denver 2004
Hertweck et al.
IntroductionSeismic imagingCRS stackApplicationsSynthesis
The projectProject definitionData acquisition
Data exampleCRS stackInversionPostSDMPreSDMCIGInterpretation
Comparison
Conclusions
Acknowledgments
W I T
Kirchhoff poststack depth migration
500
1000
1500
2000
2500
3000
3500
Dep
th [
m]
450 500 550 600 650 700 750 800CMP no.
horizontal extent ≈ 12 km
![Page 42: th Annual Meeting SEG, Denver 2004 A seismic reflection ... · Seismic imaging CRS stack Applications Synthesis The project Project definition Data acquisition Data example CRS](https://reader033.fdocuments.in/reader033/viewer/2022050323/5f7c9692f282444a7b72f58b/html5/thumbnails/42.jpg)
74th Annual MeetingSEG, Denver 2004
Hertweck et al.
IntroductionSeismic imagingCRS stackApplicationsSynthesis
The projectProject definitionData acquisition
Data exampleCRS stackInversionPostSDMPreSDMCIGInterpretation
Comparison
Conclusions
Acknowledgments
W I T
Kirchhoff prestack depth migration
500
1000
1500
2000
2500
3000
3500
Dep
th [
m]
450 500 550 600 650 700 750 800CMP no.
horizontal extent ≈ 12 km
![Page 43: th Annual Meeting SEG, Denver 2004 A seismic reflection ... · Seismic imaging CRS stack Applications Synthesis The project Project definition Data acquisition Data example CRS](https://reader033.fdocuments.in/reader033/viewer/2022050323/5f7c9692f282444a7b72f58b/html5/thumbnails/43.jpg)
74th Annual MeetingSEG, Denver 2004
Hertweck et al.
IntroductionSeismic imagingCRS stackApplicationsSynthesis
The projectProject definitionData acquisition
Data exampleCRS stackInversionPostSDMPreSDMCIGInterpretation
Comparison
Conclusions
Acknowledgments
W I T
Common-image gathers
1
2
3
Dep
th [k
m]
1 2 3 4 5 6 7 8 9
CIG Location [km]
maximum offset ≈ 3000 m
![Page 44: th Annual Meeting SEG, Denver 2004 A seismic reflection ... · Seismic imaging CRS stack Applications Synthesis The project Project definition Data acquisition Data example CRS](https://reader033.fdocuments.in/reader033/viewer/2022050323/5f7c9692f282444a7b72f58b/html5/thumbnails/44.jpg)
74th Annual MeetingSEG, Denver 2004
Hertweck et al.
IntroductionSeismic imagingCRS stackApplicationsSynthesis
The projectProject definitionData acquisition
Data exampleCRS stackInversionPostSDMPreSDMCIGInterpretation
Comparison
Conclusions
Acknowledgments
W I T
Preliminary structural interpretation
500
1000
1500
2000
2500
3000
3500
Dep
th [
m]
450 500 550 600 650 700 750 800CMP no.
horizontal extent ≈ 12 km
![Page 45: th Annual Meeting SEG, Denver 2004 A seismic reflection ... · Seismic imaging CRS stack Applications Synthesis The project Project definition Data acquisition Data example CRS](https://reader033.fdocuments.in/reader033/viewer/2022050323/5f7c9692f282444a7b72f58b/html5/thumbnails/45.jpg)
74th Annual MeetingSEG, Denver 2004
Hertweck et al.
IntroductionSeismic imagingCRS stackApplicationsSynthesis
The projectProject definitionData acquisition
Data exampleCRS stackInversionPostSDMPreSDMCIGInterpretation
Comparison
Conclusions
Acknowledgments
W I T
Comparison to standard processing
I Largely automated processing
I Generally higher resolution of reflectors and faults,particularly in the target area
I Reliable depth location of reflectors, according towell data and other geological and geophysicalinformation
I Faults can be traced from near-surface to depths aslarge as 3 km
![Page 46: th Annual Meeting SEG, Denver 2004 A seismic reflection ... · Seismic imaging CRS stack Applications Synthesis The project Project definition Data acquisition Data example CRS](https://reader033.fdocuments.in/reader033/viewer/2022050323/5f7c9692f282444a7b72f58b/html5/thumbnails/46.jpg)
74th Annual MeetingSEG, Denver 2004
Hertweck et al.
IntroductionSeismic imagingCRS stackApplicationsSynthesis
The projectProject definitionData acquisition
Data exampleCRS stackInversionPostSDMPreSDMCIGInterpretation
Comparison
Conclusions
Acknowledgments
W I T
Comparison to standard processing
I Largely automated processing
I Generally higher resolution of reflectors and faults,particularly in the target area
I Reliable depth location of reflectors, according towell data and other geological and geophysicalinformation
I Faults can be traced from near-surface to depths aslarge as 3 km
![Page 47: th Annual Meeting SEG, Denver 2004 A seismic reflection ... · Seismic imaging CRS stack Applications Synthesis The project Project definition Data acquisition Data example CRS](https://reader033.fdocuments.in/reader033/viewer/2022050323/5f7c9692f282444a7b72f58b/html5/thumbnails/47.jpg)
74th Annual MeetingSEG, Denver 2004
Hertweck et al.
IntroductionSeismic imagingCRS stackApplicationsSynthesis
The projectProject definitionData acquisition
Data exampleCRS stackInversionPostSDMPreSDMCIGInterpretation
Comparison
Conclusions
Acknowledgments
W I T
Comparison to standard processing
I Largely automated processing
I Generally higher resolution of reflectors and faults,particularly in the target area
I Reliable depth location of reflectors, according towell data and other geological and geophysicalinformation
I Faults can be traced from near-surface to depths aslarge as 3 km
![Page 48: th Annual Meeting SEG, Denver 2004 A seismic reflection ... · Seismic imaging CRS stack Applications Synthesis The project Project definition Data acquisition Data example CRS](https://reader033.fdocuments.in/reader033/viewer/2022050323/5f7c9692f282444a7b72f58b/html5/thumbnails/48.jpg)
74th Annual MeetingSEG, Denver 2004
Hertweck et al.
IntroductionSeismic imagingCRS stackApplicationsSynthesis
The projectProject definitionData acquisition
Data exampleCRS stackInversionPostSDMPreSDMCIGInterpretation
Comparison
Conclusions
Acknowledgments
W I T
Comparison to standard processing
I Largely automated processing
I Generally higher resolution of reflectors and faults,particularly in the target area
I Reliable depth location of reflectors, according towell data and other geological and geophysicalinformation
I Faults can be traced from near-surface to depths aslarge as 3 km
![Page 49: th Annual Meeting SEG, Denver 2004 A seismic reflection ... · Seismic imaging CRS stack Applications Synthesis The project Project definition Data acquisition Data example CRS](https://reader033.fdocuments.in/reader033/viewer/2022050323/5f7c9692f282444a7b72f58b/html5/thumbnails/49.jpg)
74th Annual MeetingSEG, Denver 2004
Hertweck et al.
IntroductionSeismic imagingCRS stackApplicationsSynthesis
The projectProject definitionData acquisition
Data exampleCRS stackInversionPostSDMPreSDMCIGInterpretation
Comparison
Conclusions
Acknowledgments
W I T
Comparison to standard processing
I Largely automated processing
I Generally higher resolution of reflectors and faults,particularly in the target area
I Reliable depth location of reflectors, according towell data and other geological and geophysicalinformation
I Faults can be traced from near-surface to depths aslarge as 3 km
![Page 50: th Annual Meeting SEG, Denver 2004 A seismic reflection ... · Seismic imaging CRS stack Applications Synthesis The project Project definition Data acquisition Data example CRS](https://reader033.fdocuments.in/reader033/viewer/2022050323/5f7c9692f282444a7b72f58b/html5/thumbnails/50.jpg)
74th Annual MeetingSEG, Denver 2004
Hertweck et al.
IntroductionSeismic imagingCRS stackApplicationsSynthesis
The projectProject definitionData acquisition
Data exampleCRS stackInversionPostSDMPreSDMCIGInterpretation
Comparison
Conclusions
Acknowledgments
W I T
Conclusions
I Workflow: from time to depth domain
I Successful application in recent exploration project
I Basis: CRS stack producing high quality stacksections and very useful attribute sections
I Subsequent application of tomographic inversionwith CRS attributes and Kirchhoff depth migration
I Various workflow extentions possible (finite-offsetCRS stack & inversion, static corrections,topography handling, AVO analysis, etc.)
I 3D software is available or under development
![Page 51: th Annual Meeting SEG, Denver 2004 A seismic reflection ... · Seismic imaging CRS stack Applications Synthesis The project Project definition Data acquisition Data example CRS](https://reader033.fdocuments.in/reader033/viewer/2022050323/5f7c9692f282444a7b72f58b/html5/thumbnails/51.jpg)
74th Annual MeetingSEG, Denver 2004
Hertweck et al.
IntroductionSeismic imagingCRS stackApplicationsSynthesis
The projectProject definitionData acquisition
Data exampleCRS stackInversionPostSDMPreSDMCIGInterpretation
Comparison
Conclusions
Acknowledgments
W I T
Conclusions
I Workflow: from time to depth domain
I Successful application in recent exploration project
I Basis: CRS stack producing high quality stacksections and very useful attribute sections
I Subsequent application of tomographic inversionwith CRS attributes and Kirchhoff depth migration
I Various workflow extentions possible (finite-offsetCRS stack & inversion, static corrections,topography handling, AVO analysis, etc.)
I 3D software is available or under development
![Page 52: th Annual Meeting SEG, Denver 2004 A seismic reflection ... · Seismic imaging CRS stack Applications Synthesis The project Project definition Data acquisition Data example CRS](https://reader033.fdocuments.in/reader033/viewer/2022050323/5f7c9692f282444a7b72f58b/html5/thumbnails/52.jpg)
74th Annual MeetingSEG, Denver 2004
Hertweck et al.
IntroductionSeismic imagingCRS stackApplicationsSynthesis
The projectProject definitionData acquisition
Data exampleCRS stackInversionPostSDMPreSDMCIGInterpretation
Comparison
Conclusions
Acknowledgments
W I T
Conclusions
I Workflow: from time to depth domain
I Successful application in recent exploration project
I Basis: CRS stack producing high quality stacksections and very useful attribute sections
I Subsequent application of tomographic inversionwith CRS attributes and Kirchhoff depth migration
I Various workflow extentions possible (finite-offsetCRS stack & inversion, static corrections,topography handling, AVO analysis, etc.)
I 3D software is available or under development
![Page 53: th Annual Meeting SEG, Denver 2004 A seismic reflection ... · Seismic imaging CRS stack Applications Synthesis The project Project definition Data acquisition Data example CRS](https://reader033.fdocuments.in/reader033/viewer/2022050323/5f7c9692f282444a7b72f58b/html5/thumbnails/53.jpg)
74th Annual MeetingSEG, Denver 2004
Hertweck et al.
IntroductionSeismic imagingCRS stackApplicationsSynthesis
The projectProject definitionData acquisition
Data exampleCRS stackInversionPostSDMPreSDMCIGInterpretation
Comparison
Conclusions
Acknowledgments
W I T
Conclusions
I Workflow: from time to depth domain
I Successful application in recent exploration project
I Basis: CRS stack producing high quality stacksections and very useful attribute sections
I Subsequent application of tomographic inversionwith CRS attributes and Kirchhoff depth migration
I Various workflow extentions possible (finite-offsetCRS stack & inversion, static corrections,topography handling, AVO analysis, etc.)
I 3D software is available or under development
![Page 54: th Annual Meeting SEG, Denver 2004 A seismic reflection ... · Seismic imaging CRS stack Applications Synthesis The project Project definition Data acquisition Data example CRS](https://reader033.fdocuments.in/reader033/viewer/2022050323/5f7c9692f282444a7b72f58b/html5/thumbnails/54.jpg)
74th Annual MeetingSEG, Denver 2004
Hertweck et al.
IntroductionSeismic imagingCRS stackApplicationsSynthesis
The projectProject definitionData acquisition
Data exampleCRS stackInversionPostSDMPreSDMCIGInterpretation
Comparison
Conclusions
Acknowledgments
W I T
Conclusions
I Workflow: from time to depth domain
I Successful application in recent exploration project
I Basis: CRS stack producing high quality stacksections and very useful attribute sections
I Subsequent application of tomographic inversionwith CRS attributes and Kirchhoff depth migration
I Various workflow extentions possible (finite-offsetCRS stack & inversion, static corrections,topography handling, AVO analysis, etc.)
I 3D software is available or under development
![Page 55: th Annual Meeting SEG, Denver 2004 A seismic reflection ... · Seismic imaging CRS stack Applications Synthesis The project Project definition Data acquisition Data example CRS](https://reader033.fdocuments.in/reader033/viewer/2022050323/5f7c9692f282444a7b72f58b/html5/thumbnails/55.jpg)
74th Annual MeetingSEG, Denver 2004
Hertweck et al.
IntroductionSeismic imagingCRS stackApplicationsSynthesis
The projectProject definitionData acquisition
Data exampleCRS stackInversionPostSDMPreSDMCIGInterpretation
Comparison
Conclusions
Acknowledgments
W I T
Conclusions
I Workflow: from time to depth domain
I Successful application in recent exploration project
I Basis: CRS stack producing high quality stacksections and very useful attribute sections
I Subsequent application of tomographic inversionwith CRS attributes and Kirchhoff depth migration
I Various workflow extentions possible (finite-offsetCRS stack & inversion, static corrections,topography handling, AVO analysis, etc.)
I 3D software is available or under development
![Page 56: th Annual Meeting SEG, Denver 2004 A seismic reflection ... · Seismic imaging CRS stack Applications Synthesis The project Project definition Data acquisition Data example CRS](https://reader033.fdocuments.in/reader033/viewer/2022050323/5f7c9692f282444a7b72f58b/html5/thumbnails/56.jpg)
74th Annual MeetingSEG, Denver 2004
Hertweck et al.
IntroductionSeismic imagingCRS stackApplicationsSynthesis
The projectProject definitionData acquisition
Data exampleCRS stackInversionPostSDMPreSDMCIGInterpretation
Comparison
Conclusions
Acknowledgments
W I T
Acknowledgments
This work was kindly supported by
I HotRock Erdwärmekraftwerk (EWK)Offenbach/Pfalz GmbH, Karlsruhe, Germany
I Deutsche Montan Technologie (DMT) GmbH,Essen, Germany
I the Federal Ministry for the Environment, NatureConservation and Nuclear Safety, Berlin, Germany
I the sponsors of the Wave Inversion Technology(WIT) Consortium, Karlsruhe, Germany
![Page 57: th Annual Meeting SEG, Denver 2004 A seismic reflection ... · Seismic imaging CRS stack Applications Synthesis The project Project definition Data acquisition Data example CRS](https://reader033.fdocuments.in/reader033/viewer/2022050323/5f7c9692f282444a7b72f58b/html5/thumbnails/57.jpg)
74th Annual MeetingSEG, Denver 2004
Hertweck et al.
IntroductionSeismic imagingCRS stackApplicationsSynthesis
The projectProject definitionData acquisition
Data exampleCRS stackInversionPostSDMPreSDMCIGInterpretation
Comparison
Conclusions
Acknowledgments
W I T
Related presentations
In this session:
SP 4.5 CRS imaging and tomography versusPreSDM: a case history in overthrustgeology
SP 4.6 CRS stack and redatuming for ruggedsurface topography: a synthetic dataexample
SP 4.8 3D focusing operator estimation usingsparse data
![Page 58: th Annual Meeting SEG, Denver 2004 A seismic reflection ... · Seismic imaging CRS stack Applications Synthesis The project Project definition Data acquisition Data example CRS](https://reader033.fdocuments.in/reader033/viewer/2022050323/5f7c9692f282444a7b72f58b/html5/thumbnails/58.jpg)
74th Annual MeetingSEG, Denver 2004
Hertweck et al.
IntroductionSeismic imagingCRS stackApplicationsSynthesis
The projectProject definitionData acquisition
Data exampleCRS stackInversionPostSDMPreSDMCIGInterpretation
Comparison
Conclusions
Acknowledgments
W I T