ARK CLS Seismic Coloured Inversion V4.6
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ARK CLS Seismic Coloured Inversion V4.6

ARK CLS Limited

All rights reserved. No part of this publication may be reproduced and/or published by print, photo print, microfilm or any other means without the written consent of ARK CLS Limited. ColouredInversion is based in part on the work of the Qwt project (http://qwt.sf.net).

Table of Contents

1. Introduction

2. Background and Theory

1. Basics

2. Benefits of Seismic Inversion

3. Inversion Limitations

4. Inversion techniques

4.1. Parametric Inversion

4.2. Coloured Inversion

4.3. Synthetic example

4.4. Real data examples

4.4.1. Comparison between Coloured Inversion and Unconstrained Sparse Spike
4.4.2. Coloured Inversion used to Improving interpretation
4.4.3. Well Planning

5. Seismic Coloured Inversion (SCI)

6. Seismic Spectral Blueing (SSB)

7. References and Acknowledgements

7.1. References
7.2. Acknowledgements

3. Quick Start - SciQt Tutorial

1. Launching SciQt

2. Selecting Data

2.1. Input Seismic
2.2. Input Well Logs

3. Designing and Saving the Coloured Inversion Operator

4. Application of SciQt operator

4. User Manual

1. Interfacing with the SciQt Application

1.1. SciQt Main Window

1.1.1. Menubar Area
1.1.2. Toolbar Area
1.1.3. Chart Area
1.1.4. Status Area

1.2. SciQt Main Window ancillary tools

1.2.1. Save Operator
1.2.2. Import Chart Configuration
1.2.3. Export Operator
1.2.4. Export Data Item
1.2.5. Import Data Item
1.2.6. Parameter Report

2. User interaction with Chart Area

2.1. Direct Interactions

2.1.1. Global Zooming
2.1.2. Identifying Data
2.1.3. Data Zooming
2.1.4. Moving Data
2.1.5. Changing Axes

2.2. Chart Controller

2.2.1. Creating a New Chart
2.2.2. Moving Charts
2.2.3. Deleting Charts
2.2.4. Saving and Loading Chart Configurations
2.2.5. Changing the Number of Columns
2.2.6. Zooming In and Zooming Out

2.3. Display Options

2.3.1. Chart
2.3.2. Management of Data Items

3. Select Input Data

3.1. Input Seismic tab

3.1.1. Traces
3.1.2. Loading and Clearing Data
3.1.3. Modifying Time Range
3.1.4. Removing Bad Traces
3.1.5. Select Segy dialog
3.1.6. Edit Template dialog
3.1.7. Horizon Input

3.2. Input Well Log tab

3.2.1. Petrel well log loading
3.2.2. ASCII well log loading
3.2.3. Define ASCII File Format
3.2.4. Modifying Time Range

4. Design Controls

4.1. Smooth Seismic Mean

4.2. Fit Well Log Curves

4.3. Design Operator

4.3.1. Cosine Filter
4.3.2. Cosine Filter (Advanced)
4.3.3. Butterworth Filter
4.3.4. Zero-Crossings and QC

5. Time Variant

6. Advanced Controls

6.1. Frequency Domain
6.2. Time Domain
6.3. Design Operator
6.4. Well Logs Info

7. Parameters Test

8. Seismic View

8.1. Toolbars

8.1.1. Inline/Crossline Selector
8.1.2. Tools

8.2. Elements tree view

8.3. ASCII Well Logs

8.4. Displaying Well Tops

8.5. Property Viewer

8.5.1. Seismic Volume Properties
8.5.2. Well Log Properties

8.6. Seismic Display Area

List of Figures

2.1. Seismic Method and Inversion
2.2. Synthetic comparison
2.3. Synthetic comparison in greater detail
2.4. Coloured Inversion and Unconstrained Sparse Spike example
2.5. Improving Interpretation example
2.6. Horizontal Well example
3.1. Seismic Coloured Inversion Main Window
3.2. Select Input Data Dialog (Input Seismic Tab)
3.3. Select Input Data dialog (Input Well Log tab)
3.4. Design Controls dialog
3.5. Seismic Coloured Inversion main window after analysis and design
4.1. SciQt main window
4.2. SciQt main window - default configuration (showing the top four charts)
4.3. SciQt main window - default configuration (showing the middle four charts)
4.4. SciQt main window - default configuration (showing the bottom two charts)
4.5. Save Operator dialog
4.6. Export Data Item dialog
4.7. Import Data Item file selector dialog
4.8. Session file selector dialog
4.9. Parameter Report dialog
4.10. Global Chart Area Zooming
4.11. Identifying Data from Charts
4.12. Data Zooming on Charts
4.13. Moving Data on Charts
4.14. Changing Scales on Charts
4.15. Chart Controller dialog
4.16. Create a new Chart
4.17. Moving Charts
4.18. Deleting Charts
4.19. Saving and Loading Chart Configurations
4.20. Changing the Number of Columns
4.21. Display Options dialog
4.22. Changing Chart Properties
4.23. Management of Data Items
4.24. Select Input Data dialog (Input Seismic tab) for 3D project
4.25. Select Input Data dialog (Input Seismic tab) for 2D seismic line
4.26. Loading Seismic Data
4.27. Clearing Seismic Data
4.28. Modifying Seismic Time Range (Full)
4.29. Modifying Seismic Time Range (Sub)
4.30. Modifying Seismic Time Range (Horizon).
4.31. Removing Bad Traces
4.32. Select SEGY
4.33. Edit Template
4.34. Horizon Selection - Before
4.35. Horizon Selection - After
4.36. Select Input Data Dialog - Input Well Log tab
4.37. Database Well Log Loading
4.38. ASCII Well Log Selection
4.39. Define ASCII File Format
4.40. Modify Well Log Time Range (Full)
4.41. Modify Well Log Time Range (Sub)
4.42. Modify Well Log Time Range (Horizon)
4.43. Modify Well Log Time Range (Well Tops)
4.44. Design Controls Dialog
4.45. Smooth Seismic Mean
4.46. Fit Well Log Curves block
4.47. Cosine Filter block
4.48. Cosine Filter block with advanced parameters
4.49. Butterworth Filter
4.50. Zero-Crossings and QC
4.51. Time Varying Convolution Operator Zones
4.52. Adding a Zone
4.53. Configuring multiple operators
4.54. Contribution of Tapers
4.55. Frequency Domain Tab
4.56. Time Domain Tab
4.57. Design Operator Tab
4.58. Well Logs Info Tab
4.59. Parameter Test Tab
4.60. Parameter Test Tab with Full Low Cut range
4.61. Parameter Test Tab used to update Design Controls
4.62. Seismic view
4.63. Seismic view with operator derived - Single Operator
4.64. Seismic view with operator derived - Time Variant
4.65. Elements tree Context menu
4.66. Selecting Seismic Data
4.67. Adding ASCII Well Logs to Seismic View
4.68. Filtered and Unfiltered ASCII logs within Seismic View
4.69. Displaying Well Markers/Tops
4.70. Seismic Volume Properties
4.71. Well Log Properties

SciQt can be used on multiple operating systems and connect to different databases. Therefore, the exact appearance of some figures may differ slightly from those shown.

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		Chapter 1. Introduction